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Posted to commits@flink.apache.org by fh...@apache.org on 2018/06/21 15:29:00 UTC

[01/12] flink-web git commit: Rebuild website

Repository: flink-web
Updated Branches:
  refs/heads/asf-site 2b0c472a1 -> df053d430


http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/privacy-policy.html
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diff --git a/content/privacy-policy.html b/content/privacy-policy.html
index 555c825..fc56f5e 100644
--- a/content/privacy-policy.html
+++ b/content/privacy-policy.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/project.html
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diff --git a/content/project.html b/content/project.html
index 7477cec..8569921 100644
--- a/content/project.html
+++ b/content/project.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/slides.html
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diff --git a/content/slides.html b/content/slides.html
index 0056b4d..5e379ce 100644
--- a/content/slides.html
+++ b/content/slides.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/usecases.html
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diff --git a/content/usecases.html b/content/usecases.html
index 5e5d6fd..3ab37c0 100644
--- a/content/usecases.html
+++ b/content/usecases.html
@@ -5,7 +5,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
-    <title>Apache Flink: Flink Use Cases</title>
+    <title>Apache Flink: Use Cases</title>
     <link rel="shortcut icon" href="/favicon.ico" type="image/x-icon">
     <link rel="icon" href="/favicon.ico" type="image/x-icon">
 
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li class="active"><a href="/usecases.html">Flink Use Cases</a></li>
+            <li class="active"><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 
@@ -135,45 +137,117 @@
       <div class="col-sm-9">
       <div class="row-fluid">
   <div class="col-sm-12">
-    <h1>Flink Use Cases</h1>
+    <h1>Use Cases</h1>
+
+	<hr />
+
+<p>Apache Flink is an excellent choice to develop and run many different types of applications due to its extensive features set. Flink’s features include support for stream and batch processing, sophisticated state management, event-time processing semantics, and exactly-once consistency guarantees for state. Moreover, Flink can be deployed on various resource providers such as YARN, Apache Mesos, and Kubernetes but also as stand-alone cluster on bare-metal hardware. Configured for high availability, Flink does not have a single point of failure. Flink has been proven to scale to thousands of cores and terabytes of application state, delivers high throughput and low latency, and powers some of the world’s most demanding stream processing applications.</p>
+
+<p>Below, we explore the most common types of applications that are powered by Flink and give pointers to real-world examples.</p>
+
+<ul>
+  <li><a href="#eventDrivenApps">Event-driven Applications</a></li>
+  <li><a href="#analytics">Data Analytics Applications</a></li>
+  <li><a href="#pipelines">Data Pipeline Applications</a></li>
+</ul>
+
+<h2 id="event-driven-applications-a-nameeventdrivenappsa">Event-driven Applications <a name="eventDrivenApps"></a></h2>
+
+<h3 id="what-are-event-driven-applications">What are event-driven applications?</h3>
+
+<p>An event-driven application is a stateful application that ingest events from one or more event streams and reacts to incoming events by triggering computations, state updates, or external actions.</p>
+
+<p>Event-driven applications are an evolution of the traditional application design with separated compute and data storage tiers. In this architecture, applications read data from and persist data to a remote transactional database.</p>
+
+<p>In contrast, event-driven applications are based on stateful stream processing applications. In this design, data and computation are co-located, which yields local (in-memory or disk) data access. Fault-tolerance is achieved by periodically writing checkpoints to a remote persistent storage. The figure below depicts the difference between the traditional application architecture and event-driven applications.</p>
+
+<p><br /></p>
+<div class="row front-graphic">
+  <img src="/img/usecases-eventdrivenapps.png" width="700px" />
+</div>
+
+<h3 id="what-are-the-advantages-of-event-driven-applications">What are the advantages of event-driven applications?</h3>
+
+<p>Instead of querying a remote database, event-driven applications access their data locally which yields better performance, both in terms of throughput and latency. The periodic checkpoints to a remote persistent storage can be asynchronously and incrementally done. Hence, the impact of checkpointing on the regular event processing is very small. However, the event-driven application design provides more benefits than just local data access. In the tiered architecture, it is common that multiple applications share the same database. Hence, any change of the database, such as changing the data layout due to an application update or scaling the service, needs to be coordinated. Since each event-driven application is responsible for its own data, changes to the data representation or scaling the application requires less coordination.</p>
+
+<h3 id="how-does-flink-support-event-driven-applications">How does Flink support event-driven applications?</h3>
+
+<p>The limits of event-driven applications are defined by how well a stream processor can handle time and state. Many of Flink’s outstanding features are centered around these concepts. Flink provides a rich set of state primitives that can manage very large data volumes (up to several terabytes) with exactly-once consistency guarantees. Moreover, Flink’s support for event-time, highly customizable window logic, and fine-grained control of time as provided by the <code>ProcessFunction</code> enable the implementation of advanced business logic. Moreover, Flink features a library for Complex Event Processing (CEP) to detect patterns in data streams.</p>
+
+<p>However, Flink’s outstanding feature for event-driven applications are savepoints. A savepoint a consistent state image that can be used as a starting point for compatible applications. Given a savepoint, an application can be updated or adapt its scale, or multiple versions of an application can be started for A/B testing.</p>
+
+<h3 id="what-are-typical-event-driven-applications">What are typical event-driven applications?</h3>
+
+<ul>
+  <li><a href="https://sf-2017.flink-forward.org/kb_sessions/streaming-models-how-ing-adds-models-at-runtime-to-catch-fraudsters/">Fraud detection</a></li>
+  <li><a href="https://sf-2017.flink-forward.org/kb_sessions/building-a-real-time-anomaly-detection-system-with-flink-mux/">Anomaly detection</a></li>
+  <li><a href="https://sf-2017.flink-forward.org/kb_sessions/dynamically-configured-stream-processing-using-flink-kafka/">Rule-based alerting</a></li>
+  <li><a href="https://jobs.zalando.com/tech/blog/complex-event-generation-for-business-process-monitoring-using-apache-flink/">Business process monitoring</a></li>
+  <li><a href="https://berlin-2017.flink-forward.org/kb_sessions/drivetribes-kappa-architecture-with-apache-flink/">Web application (social network)</a></li>
+</ul>
+
+<h2 id="data-analytics-applicationsa-nameanalyticsa">Data Analytics Applications<a name="analytics"></a></h2>
+
+<h3 id="what-are-data-analytics-applications">What are data analytics applications?</h3>
+
+<p>Analytical jobs extract information and insight from raw data. Traditionally, analytics are performed as batch queries or applications on bounded data sets of recorded events. In order to incorporate the latest data into the result of the analysis, it has to be added to the analyzed data set and the query or application is rerun. The results are written to a storage system or emitted as reports.</p>
+
+<p>With a sophisticated stream processing engine, analytics can also be performed in a real-time fashion. Instead of reading finite data sets, streaming queries or applications ingest real-time event streams and continuously produce and update results as events are consumed. The results are either written to an external database or maintained as internal state. Dashboard application can read the latest results from the external database or directly query the internal state of the application.</p>
+
+<p>Apache Flink supports streaming as well as batch analytical applications as shown in the figure below.</p>
+
+<div class="row front-graphic">
+  <img src="/img/usecases-analytics.png" width="700px" />
+</div>
+
+<h3 id="what-are-the-advantages-of-streaming-analytics-applications">What are the advantages of streaming analytics applications?</h3>
+
+<p>The advantages of continuous streaming analytics compared to batch analytics are not limited to a much lower latency from events to insight due to elimination of periodic import and query execution. In contrast to batch queries, streaming queries do not have to deal with artificial boundaries in the input data which are caused by periodic imports and the bounded nature of the input.</p>
+
+<p>Another aspect is a simpler application architecture. A batch analytics pipeline consist of several independent components to periodically schedule data ingestion and query execution. Reliably operating such a pipeline is non-trivial because failures of one component affect the following steps of the pipeline. In contrast, a streaming analytics application which runs on a sophisticated stream processor like Flink incorporates all steps from data ingestions to continuous result computation. Therefore, it can rely on the engine’s failure recovery mechanism.</p>
+
+<h3 id="how-does-flink-support-data-analytics-applications">How does Flink support data analytics applications?</h3>
+
+<p>Flink provides very good support for continuous streaming as well as batch analytics. Specifically, it features an ANSI-compliant SQL interface with unified semantics for batch and streaming queries. SQL queries compute the same result regardless whether they are run on a static data set of recorded events or on a real-time event stream. Rich support for user-defined functions ensures that custom code can be executed in SQL queries. If even more custom logic is required, Flink’s DataStream API or DataSet API provide more low-level control. Moreover, Flink’s Gelly library provides algorithms and building blocks for large-scale and high-performance graph analytics on batch data sets.</p>
+
+<h3 id="what-are-typical-data-analytics-applications">What are typical data analytics applications?</h3>
+
+<ul>
+  <li><a href="http://2016.flink-forward.org/kb_sessions/a-brief-history-of-time-with-apache-flink-real-time-monitoring-and-analysis-with-flink-kafka-hb/">Quality monitoring of Telco networks</a></li>
+  <li><a href="https://techblog.king.com/rbea-scalable-real-time-analytics-king/">Analysis of product updates &amp; experiment evaluation</a> in mobile applications</li>
+  <li><a href="https://eng.uber.com/athenax/">Ad-hoc analysis of live data</a> in consumer technology</li>
+  <li>Large-scale graph analysis</li>
+</ul>
+
+<h2 id="data-pipeline-applications-a-namepipelinesa">Data Pipeline Applications <a name="pipelines"></a></h2>
+
+<h3 id="what-are-data-pipelines">What are data pipelines?</h3>
+
+<p>Extract-transform-load (ETL) is a common approach to convert and move data between storage systems. Often ETL jobs are periodically triggered to copy data from from transactional database systems to an analytical database or a data warehouse.</p>
+
+<p>Data pipelines serve a similar purpose as ETL jobs. They transform and enrich data and can move it from one storage system to another. However, they operate in a continuous streaming mode instead of being periodically triggered. Hence, they are able to read records from sources that continuously produce data and move it with low latency to their destination. For example a data pipeline might monitor a file system directory for new files and write their data into an event log. Another application might materialize an event stream to a database or incrementally build and refine a search index.</p>
+
+<p>The figure below depicts the difference between periodic ETL jobs and continuous data pipelines.</p>
+
+<div class="row front-graphic">
+  <img src="/img/usecases-datapipelines.png" width="700px" />
+</div>
+
+<h3 id="what-are-the-advantages-of-data-pipelines">What are the advantages of data pipelines?</h3>
+
+<p>The obvious advantage of continuous data pipelines over periodic ETL jobs is the reduced latency of moving data to its destination. Moreover, data pipelines are more versatile and can be employed for more use cases because they are able to continuously consume and emit data.</p>
+
+<h3 id="how-does-flink-support-data-pipelines">How does Flink support data pipelines?</h3>
 
-	<p>To demonstrate how Flink can be applied to unbounded datasets, here’s a selection of real-word Flink users and problems they’re solving with Flink.</p>
+<p>Many common data transformation or enrichment tasks can be addressed by Flink’s SQL interface (or Table API) and its support for user-defined functions. Data pipelines with more advanced requirements can be realized by using the DataStream API which is more generic. Flink provides a rich set of connectors to various storage systems such as Kafka, Kinesis, Elasticsearch, and JDBC database systems. It also features continuous sources for file systems that monitor directories and sinks that write files in a time-bucketed fashion.</p>
 
-<p>For more examples, please see the <a href="/poweredby.html">Powered by Flink</a> page.</p>
+<h3 id="what-are-typical-data-pipeline-applications">What are typical data pipeline applications?</h3>
 
 <ul>
-  <li>
-    <p><strong>Optimization of e-commerce search results in real-time:</strong> Alibaba’s search infrastructure team uses Flink to update product detail and inventory information in real-time, improving relevance for users.</p>
-  </li>
-  <li>
-    <p><strong>Stream processing-as-a-service for data science teams:</strong> King (the creators of Candy Crush Saga) makes real-time analytics available to its data scientists via a Flink-powered internal platform, dramatically shortening the time to insights from game data.</p>
-  </li>
-  <li>
-    <p><strong>Network / sensor monitoring and error detection:</strong> Bouygues Telecom, one of the largest telecom providers in France, uses Flink to monitor its wired and wireless networks, enabling a rapid response to outages throughout the country.</p>
-  </li>
-  <li>
-    <p><strong>ETL for business intelligence infrastructure:</strong> Zalando uses Flink to transform data for easier loading into its data warehouse, converting complex payloads into relatively simple ones and ensuring that analytics end users have faster access to data.</p>
-  </li>
+  <li><a href="https://data-artisans.com/blog/blink-flink-alibaba-search">Real-time search index building</a> in e-commerce</li>
+  <li><a href="https://jobs.zalando.com/tech/blog/apache-showdown-flink-vs.-spark/">Continuous ETL</a> in e-commerce</li>
 </ul>
 
-<p>We can tease out common threads from these use cases. Based on the examples above, Flink is well-suited for:</p>
-
-<ol>
-  <li>
-    <p><strong>A variety of (sometimes unreliable) data sources:</strong> When data is generated by millions of different users or devices, it’s safe to assume that some events will arrive out of the order they actually occurred–and in the case of more significant upstream failures, some events might come <em>hours</em> later than they’re supposed to. Late data needs to be handled so that results are accurate.</p>
-  </li>
-  <li>
-    <p><strong>Applications with state:</strong> When applications become more complex than simple filtering or enhancing of single data records, managing state within these applications (e.g., counters, windows of past data, state machines, embedded databases) becomes hard. Flink provides tools so that state is efficient, fault-tolerant, and manageable from the outside so you don’t have to build these capabilities yourself.</p>
-  </li>
-  <li>
-    <p><strong>Data that is processed quickly:</strong> There is a focus in these use cases on real-time or near-real-time scenarios, where insights from data should be available at nearly the same moment that the data is generated. Flink is fully capable of meeting these latency requirements when necessary.</p>
-  </li>
-  <li>
-    <p><strong>Data in large volumes:</strong> These programs would need to be distributed across many nodes (in some cases, thousands) to support the required scale. Flink can run on large clusters just as seamlessly as it runs on small ones.</p>
-  </li>
-</ol>
-
-<p>And for more user stories, we recommend the sessions from <a href="http://flink-forward.org/program/sessions/" target="_blank">Flink Forward 2016</a>, the annual Flink user conference.</p>
 
 
   </div>


[09/12] flink-web git commit: Rebuild website

Posted by fh...@apache.org.
Rebuild website


Project: http://git-wip-us.apache.org/repos/asf/flink-web/repo
Commit: http://git-wip-us.apache.org/repos/asf/flink-web/commit/df053d43
Tree: http://git-wip-us.apache.org/repos/asf/flink-web/tree/df053d43
Diff: http://git-wip-us.apache.org/repos/asf/flink-web/diff/df053d43

Branch: refs/heads/asf-site
Commit: df053d4300aec40ae670ec9ef0ca55c09c197c87
Parents: cbefc2e
Author: Fabian Hueske <fh...@apache.org>
Authored: Thu Jun 21 17:25:31 2018 +0200
Committer: Fabian Hueske <fh...@apache.org>
Committed: Thu Jun 21 17:27:53 2018 +0200

----------------------------------------------------------------------
 content/blog/index.html                         |  81 +--
 content/blog/page2/index.html                   |  81 +--
 content/blog/page3/index.html                   |  81 +--
 content/blog/page4/index.html                   |  81 +--
 content/blog/page5/index.html                   |  81 +--
 content/blog/page6/index.html                   |  81 +--
 .../release_1.0.0-changelog_known_issues.html   |  76 +--
 content/blog/release_1.1.0-changelog.html       |  76 +--
 content/blog/release_1.2.0-changelog.html       |  76 +--
 content/blog/release_1.3.0-changelog.html       |  76 +--
 content/community.html                          |  87 ++--
 content/contribute-code.html                    |  76 +--
 content/contribute-documentation.html           |  76 +--
 content/documentation.html                      |  76 +--
 content/downloads.html                          |  80 +--
 content/ecosystem.html                          |  76 +--
 content/faq.html                                | 198 ++------
 content/features.html                           | 506 -------------------
 .../2017/07/04/flink-rescalable-state.html      |  76 +--
 .../2018/01/30/incremental-checkpointing.html   |  76 +--
 .../end-to-end-exactly-once-apache-flink.html   |  76 +--
 content/flink-applications.html                 | 385 ++++++++++++++
 content/flink-architecture.html                 | 284 +++++++++++
 content/flink-operations.html                   | 255 ++++++++++
 content/gettinghelp.html                        | 333 ++++++++++++
 content/how-to-contribute.html                  |  80 +--
 content/img/api-stack.png                       | Bin 0 -> 173731 bytes
 content/img/bounded-unbounded.png               | Bin 0 -> 176524 bytes
 content/img/deployment-modes.png                | Bin 0 -> 256031 bytes
 content/img/flink-home-graphic-update.svg       |   4 -
 content/img/flink-home-graphic.png              | Bin 0 -> 495083 bytes
 content/img/function-state.png                  | Bin 0 -> 34088 bytes
 content/img/local-state.png                     | Bin 0 -> 172758 bytes
 content/img/usecases-analytics.png              | Bin 0 -> 130058 bytes
 content/img/usecases-datapipelines.png          | Bin 0 -> 98239 bytes
 content/img/usecases-eventdrivenapps.png        | Bin 0 -> 168354 bytes
 content/improve-website.html                    |  76 +--
 content/index.html                              | 285 +++++++----
 content/introduction.html                       |  76 +--
 content/material.html                           |  76 +--
 content/news/2014/08/26/release-0.6.html        |  76 +--
 content/news/2014/09/26/release-0.6.1.html      |  76 +--
 content/news/2014/10/03/upcoming_events.html    |  76 +--
 content/news/2014/11/04/release-0.7.0.html      |  76 +--
 .../news/2014/11/18/hadoop-compatibility.html   |  76 +--
 content/news/2015/01/06/december-in-flink.html  |  76 +--
 content/news/2015/01/21/release-0.8.html        |  76 +--
 content/news/2015/02/04/january-in-flink.html   |  76 +--
 content/news/2015/02/09/streaming-example.html  |  76 +--
 .../news/2015/03/02/february-2015-in-flink.html |  76 +--
 .../peeking-into-Apache-Flinks-Engine-Room.html |  76 +--
 content/news/2015/04/07/march-in-flink.html     |  76 +--
 .../2015/04/13/release-0.9.0-milestone1.html    |  76 +--
 .../05/11/Juggling-with-Bits-and-Bytes.html     |  76 +--
 .../news/2015/05/14/Community-update-April.html |  76 +--
 .../announcing-apache-flink-0.9.0-release.html  |  76 +--
 .../2015/08/24/introducing-flink-gelly.html     |  76 +--
 content/news/2015/09/01/release-0.9.1.html      |  76 +--
 content/news/2015/09/03/flink-forward.html      |  76 +--
 content/news/2015/09/16/off-heap-memory.html    |  76 +--
 content/news/2015/11/16/release-0.10.0.html     |  76 +--
 content/news/2015/11/27/release-0.10.1.html     |  76 +--
 .../news/2015/12/04/Introducing-windows.html    |  76 +--
 .../news/2015/12/11/storm-compatibility.html    |  76 +--
 content/news/2015/12/18/a-year-in-review.html   |  76 +--
 content/news/2016/02/11/release-0.10.2.html     |  76 +--
 content/news/2016/03/08/release-1.0.0.html      |  76 +--
 content/news/2016/04/06/cep-monitoring.html     |  76 +--
 content/news/2016/04/06/release-1.0.1.html      |  76 +--
 .../news/2016/04/14/flink-forward-announce.html |  76 +--
 content/news/2016/04/22/release-1.0.2.html      |  76 +--
 content/news/2016/05/11/release-1.0.3.html      |  76 +--
 content/news/2016/05/24/stream-sql.html         |  76 +--
 content/news/2016/08/08/release-1.1.0.html      |  76 +--
 content/news/2016/08/11/release-1.1.1.html      |  76 +--
 .../news/2016/08/24/ff16-keynotes-panels.html   |  76 +--
 content/news/2016/09/05/release-1.1.2.html      |  76 +--
 content/news/2016/10/12/release-1.1.3.html      |  76 +--
 .../news/2016/12/19/2016-year-in-review.html    |  76 +--
 content/news/2016/12/21/release-1.1.4.html      |  76 +--
 content/news/2017/02/06/release-1.2.0.html      |  76 +--
 content/news/2017/03/23/release-1.1.5.html      |  76 +--
 .../news/2017/03/29/table-sql-api-update.html   |  76 +--
 content/news/2017/04/04/dynamic-tables.html     |  76 +--
 content/news/2017/04/26/release-1.2.1.html      |  76 +--
 .../news/2017/05/16/official-docker-image.html  |  76 +--
 content/news/2017/06/01/release-1.3.0.html      |  76 +--
 content/news/2017/06/23/release-1.3.1.html      |  76 +--
 content/news/2017/08/05/release-1.3.2.html      |  76 +--
 .../11/22/release-1.4-and-1.5-timeline.html     |  76 +--
 content/news/2017/12/12/release-1.4.0.html      |  76 +--
 .../news/2017/12/21/2017-year-in-review.html    |  76 +--
 content/news/2018/02/15/release-1.4.1.html      |  76 +--
 content/news/2018/03/08/release-1.4.2.html      |  76 +--
 content/news/2018/03/15/release-1.3.3.html      |  76 +--
 content/news/2018/05/25/release-1.5.0.html      |  76 +--
 content/poweredby.html                          |  96 ++--
 content/privacy-policy.html                     |  76 +--
 content/project.html                            |  76 +--
 content/slides.html                             |  76 +--
 content/usecases.html                           | 216 +++++---
 101 files changed, 4911 insertions(+), 3932 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/blog/index.html
----------------------------------------------------------------------
diff --git a/content/blog/index.html b/content/blog/index.html
index e7f1e47..f36a924 100644
--- a/content/blog/index.html
+++ b/content/blog/index.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
+
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
-            <hr />
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
+            &nbsp;
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            <!-- Third menu section aim to support community and contributors -->
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 
@@ -133,9 +135,8 @@
 
       </div>
       <div class="col-sm-9">
-      <div class="row">
-  <div class="col-sm-12"><h1>Blog</h1></div>
-</div>
+      <h1>Blog</h1>
+<hr />
 
 <div class="row">
   <div class="col-sm-8">

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/blog/page2/index.html
----------------------------------------------------------------------
diff --git a/content/blog/page2/index.html b/content/blog/page2/index.html
index e59ea59..e7fa3ce 100644
--- a/content/blog/page2/index.html
+++ b/content/blog/page2/index.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
+
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
-            <hr />
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
+            &nbsp;
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            <!-- Third menu section aim to support community and contributors -->
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 
@@ -133,9 +135,8 @@
 
       </div>
       <div class="col-sm-9">
-      <div class="row">
-  <div class="col-sm-12"><h1>Blog</h1></div>
-</div>
+      <h1>Blog</h1>
+<hr />
 
 <div class="row">
   <div class="col-sm-8">

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/blog/page3/index.html
----------------------------------------------------------------------
diff --git a/content/blog/page3/index.html b/content/blog/page3/index.html
index 2d5fda0..aed72fc 100644
--- a/content/blog/page3/index.html
+++ b/content/blog/page3/index.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
+
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
-            <hr />
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
+            &nbsp;
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            <!-- Third menu section aim to support community and contributors -->
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 
@@ -133,9 +135,8 @@
 
       </div>
       <div class="col-sm-9">
-      <div class="row">
-  <div class="col-sm-12"><h1>Blog</h1></div>
-</div>
+      <h1>Blog</h1>
+<hr />
 
 <div class="row">
   <div class="col-sm-8">

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/blog/page4/index.html
----------------------------------------------------------------------
diff --git a/content/blog/page4/index.html b/content/blog/page4/index.html
index e6a5342..7fc45b9 100644
--- a/content/blog/page4/index.html
+++ b/content/blog/page4/index.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
+
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
-            <hr />
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
+            &nbsp;
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            <!-- Third menu section aim to support community and contributors -->
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 
@@ -133,9 +135,8 @@
 
       </div>
       <div class="col-sm-9">
-      <div class="row">
-  <div class="col-sm-12"><h1>Blog</h1></div>
-</div>
+      <h1>Blog</h1>
+<hr />
 
 <div class="row">
   <div class="col-sm-8">

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/blog/page5/index.html
----------------------------------------------------------------------
diff --git a/content/blog/page5/index.html b/content/blog/page5/index.html
index 2ab5319..d9e408f 100644
--- a/content/blog/page5/index.html
+++ b/content/blog/page5/index.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
+
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
-            <hr />
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
+            &nbsp;
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            <!-- Third menu section aim to support community and contributors -->
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 
@@ -133,9 +135,8 @@
 
       </div>
       <div class="col-sm-9">
-      <div class="row">
-  <div class="col-sm-12"><h1>Blog</h1></div>
-</div>
+      <h1>Blog</h1>
+<hr />
 
 <div class="row">
   <div class="col-sm-8">

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/blog/page6/index.html
----------------------------------------------------------------------
diff --git a/content/blog/page6/index.html b/content/blog/page6/index.html
index 63e8ab9..d0bb711 100644
--- a/content/blog/page6/index.html
+++ b/content/blog/page6/index.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
+
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
-            <hr />
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
+            &nbsp;
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            <!-- Third menu section aim to support community and contributors -->
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 
@@ -133,9 +135,8 @@
 
       </div>
       <div class="col-sm-9">
-      <div class="row">
-  <div class="col-sm-12"><h1>Blog</h1></div>
-</div>
+      <h1>Blog</h1>
+<hr />
 
 <div class="row">
   <div class="col-sm-8">

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/blog/release_1.0.0-changelog_known_issues.html
----------------------------------------------------------------------
diff --git a/content/blog/release_1.0.0-changelog_known_issues.html b/content/blog/release_1.0.0-changelog_known_issues.html
index d552085..be3cc66 100644
--- a/content/blog/release_1.0.0-changelog_known_issues.html
+++ b/content/blog/release_1.0.0-changelog_known_issues.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/blog/release_1.1.0-changelog.html
----------------------------------------------------------------------
diff --git a/content/blog/release_1.1.0-changelog.html b/content/blog/release_1.1.0-changelog.html
index 2c88e07..baab0d8 100644
--- a/content/blog/release_1.1.0-changelog.html
+++ b/content/blog/release_1.1.0-changelog.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/blog/release_1.2.0-changelog.html
----------------------------------------------------------------------
diff --git a/content/blog/release_1.2.0-changelog.html b/content/blog/release_1.2.0-changelog.html
index 5c9450b..6165a0c 100644
--- a/content/blog/release_1.2.0-changelog.html
+++ b/content/blog/release_1.2.0-changelog.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/blog/release_1.3.0-changelog.html
----------------------------------------------------------------------
diff --git a/content/blog/release_1.3.0-changelog.html b/content/blog/release_1.3.0-changelog.html
index 0db1b66..3d051d8 100644
--- a/content/blog/release_1.3.0-changelog.html
+++ b/content/blog/release_1.3.0-changelog.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/community.html
----------------------------------------------------------------------
diff --git a/content/community.html b/content/community.html
index 4a594a3..74ff287 100644
--- a/content/community.html
+++ b/content/community.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li class="active"><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li class="active"><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 
@@ -137,10 +139,11 @@
   <div class="col-sm-12">
     <h1>Community & Project Info</h1>
 
-	<div class="page-toc">
+	<hr />
+
+<div class="page-toc">
 <ul id="markdown-toc">
   <li><a href="#mailing-lists" id="markdown-toc-mailing-lists">Mailing Lists</a></li>
-  <li><a href="#irc" id="markdown-toc-irc">IRC</a></li>
   <li><a href="#stack-overflow" id="markdown-toc-stack-overflow">Stack Overflow</a></li>
   <li><a href="#issue-tracker" id="markdown-toc-issue-tracker">Issue Tracker</a></li>
   <li><a href="#meetups" id="markdown-toc-meetups">Meetups</a></li>
@@ -273,12 +276,6 @@
 
 <p><b style="color:red">Please make sure you are subscribed to the mailing list you are posting to!</b> If you are not subscribed to the mailing list, your message will either be rejected (dev@ list) or you won’t receive the response (user@ list).</p>
 
-<h2 id="irc">IRC</h2>
-
-<p>There is an IRC channel called #flink dedicated to Apache Flink at irc.freenode.org. There is also a <a href="http://webchat.freenode.net/?channels=flink">web-based IRC client</a> available.</p>
-
-<p>The IRC channel can be used for online discussions about Apache Flink as community, but developers should be careful to move or duplicate all the official or useful discussions to the issue tracking system or dev mailing list.</p>
-
 <h2 id="stack-overflow">Stack Overflow</h2>
 
 <p>Committers are watching <a href="http://stackoverflow.com/questions/tagged/apache-flink">Stack Overflow</a> for the <a href="http://stackoverflow.com/questions/tagged/apache-flink">apache-flink</a> tag.</p>

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/contribute-code.html
----------------------------------------------------------------------
diff --git a/content/contribute-code.html b/content/contribute-code.html
index 3de551a..5c65a3b 100644
--- a/content/contribute-code.html
+++ b/content/contribute-code.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/contribute-documentation.html
----------------------------------------------------------------------
diff --git a/content/contribute-documentation.html b/content/contribute-documentation.html
index 4b0f69c..f6295ee 100644
--- a/content/contribute-documentation.html
+++ b/content/contribute-documentation.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/documentation.html
----------------------------------------------------------------------
diff --git a/content/documentation.html b/content/documentation.html
index 09d19b6..a322bbe 100644
--- a/content/documentation.html
+++ b/content/documentation.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 


[12/12] flink-web git commit: [FLINK-9522] Restructure Flink website

Posted by fh...@apache.org.
[FLINK-9522] Restructure Flink website

- Rework start page: added features, new figure, moved powered-by users up
- Rework menu structure: 1. What is Flink, 2. users' section, 3. contributors' section
- Replace Features page by "What is Flink?" pages
- Reworke "Use Cases" page
- Add "Getting Help" page
- Remove IRC channel info
- Update a few links on the "Powered By" page


Project: http://git-wip-us.apache.org/repos/asf/flink-web/repo
Commit: http://git-wip-us.apache.org/repos/asf/flink-web/commit/cbefc2e9
Tree: http://git-wip-us.apache.org/repos/asf/flink-web/tree/cbefc2e9
Diff: http://git-wip-us.apache.org/repos/asf/flink-web/diff/cbefc2e9

Branch: refs/heads/asf-site
Commit: cbefc2e97c603220729bdc69b827ceff8b2ddaa1
Parents: 2b0c472
Author: Fabian Hueske <fh...@gmail.com>
Authored: Thu Dec 14 10:39:12 2017 +0100
Committer: Fabian Hueske <fh...@apache.org>
Committed: Thu Jun 21 17:27:53 2018 +0200

----------------------------------------------------------------------
 _includes/navbar.html             |  76 ++++----
 blog/index.html                   |   5 +-
 community.md                      |   9 +-
 downloads.md                      |   2 +
 faq.md                            | 104 +---------
 features.md                       | 338 ---------------------------------
 flink-applications.md             | 202 ++++++++++++++++++++
 flink-architecture.md             | 100 ++++++++++
 flink-operations.md               |  72 +++++++
 gettinghelp.md                    | 133 +++++++++++++
 how-to-contribute.md              |   3 +
 img/api-stack.png                 | Bin 0 -> 173731 bytes
 img/bounded-unbounded.png         | Bin 0 -> 176524 bytes
 img/deployment-modes.png          | Bin 0 -> 256031 bytes
 img/flink-home-graphic-update.svg |   4 -
 img/flink-home-graphic.png        | Bin 0 -> 495083 bytes
 img/function-state.png            | Bin 0 -> 34088 bytes
 img/local-state.png               | Bin 0 -> 172758 bytes
 img/usecases-analytics.png        | Bin 0 -> 130058 bytes
 img/usecases-datapipelines.png    | Bin 0 -> 98239 bytes
 img/usecases-eventdrivenapps.png  | Bin 0 -> 168354 bytes
 index.md                          | 169 +++++++++++++----
 poweredby.md                      |  22 +--
 usecases.md                       | 103 ++++++++--
 24 files changed, 798 insertions(+), 544 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/flink-web/blob/cbefc2e9/_includes/navbar.html
----------------------------------------------------------------------
diff --git a/_includes/navbar.html b/_includes/navbar.html
index 0ce0094..3123650 100755
--- a/_includes/navbar.html
+++ b/_includes/navbar.html
@@ -18,54 +18,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class="{% if page.url == '/downloads.html' %}active{% endif %}"><a class="btn btn-info" href="{{ site.baseurl }}/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li{% if page.url == '/index.html' %} class="active"{% endif %}><a href="{{ site.baseurl }}/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li{% if page.url == '/streamprocessing1.html' or page.url == '/streamprocessing2.html' %} class="active"{% endif %}><a href="{{ site.baseurl }}/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li{% if page.url == '/introduction.html' %} class="active"{% endif %}><a href="{{ site.baseurl }}/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li{% if page.url == '/flink-architecture.html' or page.url == '/flink-applications.html' or page.url == '/flink-operations.html' %} class="active"{% endif %}><a href="{{ site.baseurl }}/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li{% if page.url == '/usecases.html' %} class="active"{% endif %}><a href="{{ site.baseurl }}/usecases.html">Flink Use Cases</a></li>
+            <li{% if page.url == '/usecases.html' %} class="active"{% endif %}><a href="{{ site.baseurl }}/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li{% if page.url == '/poweredby.html' %} class="active"{% endif %}><a href="{{ site.baseurl }}/poweredby.html">Powered by Flink</a></li>
+            <li{% if page.url == '/poweredby.html' %} class="active"{% endif %}><a href="{{ site.baseurl }}/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li{% if page.url == '/ecosystem.html' %} class="active"{% endif %}><a href="{{ site.baseurl }}/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li{% if page.url == '/faq.html' %} class="active"{% endif %}><a href="{{ site.baseurl }}/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li{% if page.url == '/community.html' %} class="active"{% endif %}><a href="{{ site.baseurl }}/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li{% if page.url == '/how-to-contribute.html' %} class="active"{% endif %}><a href="{{ site.baseurl }}/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li{% if page.url == '/downloads.html' %} class="active"{% endif %}><a href="{{ site.baseurl }}/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class="{% if page.url contains '/blog/' or page.url contains '/news/' %} active{% endif %} hidden-md hidden-sm"><a href="{{ site.baseurl }}/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="{{ site.docs-stable }}/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="{{ site.docs-stable }}" target="_blank">{{site.FLINK_VERSION_STABLE_SHORT}} (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="{{ site.docs-snapshot }}" target="_blank">{{site.FLINK_VERSION_LATEST_SHORT}} (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li{% if page.url == '/gettinghelp.html' %} class="active"{% endif %}><a href="{{ site.baseurl }}/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li{% if page.url contains '/blog/' or page.url contains '/news/' %} class="active"{% endif %}><a href="{{ site.baseurl }}/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="{{ site.docs-stable }}" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="{{ site.docs-stable }}" target="_blank">{{site.FLINK_VERSION_STABLE_SHORT}} (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="{{ site.docs-snapshot }}" target="_blank">{{site.FLINK_VERSION_LATEST_SHORT}} (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="{{ site.docs-stable }}/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li{% if page.url == '/community.html' %} class="active"{% endif %}><a href="{{ site.baseurl }}/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li{% if page.url == '/how-to-contribute.html' %} class="active"{% endif %}><a href="{{ site.baseurl }}/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -75,13 +81,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li {% if page.url == '/faq.html' %} class="hidden-sm active"{% endif %}><a href="{{ site.baseurl }}/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="{{ site.twitter }}" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/cbefc2e9/blog/index.html
----------------------------------------------------------------------
diff --git a/blog/index.html b/blog/index.html
index c38b388..f986c4f 100755
--- a/blog/index.html
+++ b/blog/index.html
@@ -3,9 +3,8 @@ title: Blog
 layout: base
 ---
 
-<div class="row">
-  <div class="col-sm-12"><h1>Blog</h1></div>
-</div>
+<h1>Blog</h1>
+<hr />
 
 <div class="row">
   <div class="col-sm-8">

http://git-wip-us.apache.org/repos/asf/flink-web/blob/cbefc2e9/community.md
----------------------------------------------------------------------
diff --git a/community.md b/community.md
index 2fb1db1..c7aae44 100755
--- a/community.md
+++ b/community.md
@@ -1,6 +1,9 @@
 ---
 title: "Community & Project Info"
 ---
+
+<hr />
+
 {% toc %}
 
 There are many ways to get help from the Apache Flink community. The [mailing lists](#mailing-lists) are the primary place where all Flink committers are present. If you want to talk with the Flink committers and users in a chat, there is an [IRC channel](#irc). Some committers are also monitoring [Stack Overflow](http://stackoverflow.com/questions/tagged/apache-flink). Please remember to tag your questions with the *[apache-flink](http://stackoverflow.com/questions/tagged/apache-flink)* tag. Bugs and feature requests can either be discussed on the *dev mailing list* or on [Jira]({{ site.jira }}). Those interested in contributing to Flink should check out the [contribution guide](how-to-contribute.html).
@@ -98,12 +101,6 @@ There are many ways to get help from the Apache Flink community. The [mailing li
 
 <b style="color:red">Please make sure you are subscribed to the mailing list you are posting to!</b> If you are not subscribed to the mailing list, your message will either be rejected (dev@ list) or you won't receive the response (user@ list).
 
-## IRC
-
-There is an IRC channel called #flink dedicated to Apache Flink at irc.freenode.org. There is also a [web-based IRC client](http://webchat.freenode.net/?channels=flink) available.
-
-The IRC channel can be used for online discussions about Apache Flink as community, but developers should be careful to move or duplicate all the official or useful discussions to the issue tracking system or dev mailing list.
-
 ## Stack Overflow
 
 Committers are watching [Stack Overflow](http://stackoverflow.com/questions/tagged/apache-flink) for the [apache-flink](http://stackoverflow.com/questions/tagged/apache-flink) tag.

http://git-wip-us.apache.org/repos/asf/flink-web/blob/cbefc2e9/downloads.md
----------------------------------------------------------------------
diff --git a/downloads.md b/downloads.md
index 68e1d8e..3e120b0 100644
--- a/downloads.md
+++ b/downloads.md
@@ -2,6 +2,8 @@
 title: "Downloads"
 ---
 
+<hr />
+
 <script type="text/javascript">
 $( document ).ready(function() {
   // Handler for .ready() called.

http://git-wip-us.apache.org/repos/asf/flink-web/blob/cbefc2e9/faq.md
----------------------------------------------------------------------
diff --git a/faq.md b/faq.md
index c838226..5cbdcf8 100755
--- a/faq.md
+++ b/faq.md
@@ -20,8 +20,11 @@ specific language governing permissions and limitations
 under the License.
 -->
 
-The following questions are frequently asked with regard to the Flink project **in general**.
-If you have further questions, make sure to consult the [documentation]({{site.docs-snapshot}}) or [ask the community]({{ site.baseurl }}/community.html).
+<hr />
+
+The following questions are frequently asked with regard to the Flink project **in general**. 
+
+If you have further questions, make sure to consult the [documentation]({{site.docs-stable}}) or [ask the community]({{ site.baseurl }}/gettinghelp.html).
 
 {% toc %}
 
@@ -82,99 +85,6 @@ For the DataStream API, Flink supports larger-than-memory state be configuring t
 
 For the DataSet API, all operations (except delta-iterations) can scale beyond main memory.
 
+# Common Error Messages
 
-# Debugging and Common Error Messages
-
-## I have a NotSerializableException.
-
-Flink uses Java serialization to distribute copies of the application logic (the functions and operations you implement,
-as well as the program configuration, etc.) to the parallel worker processes.
-Because of that, all functions that you pass to the API must be serializable, as defined by
-[java.io.Serializable](http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html).
-
-If your function is an anonymous inner class, consider the following:
-
-  - Make the function a standalone class, or a static inner class.
-  - Use a Java 8 lambda function.
-
-If your function is already a static class, check the fields that you assign when you create
-an instance of the class. One of the fields most likely holds a non-serializable type.
-
-  - In Java, use a `RichFunction` and initialize the problematic fields in the `open()` method.
-  - In Scala, you can often simply use “lazy val” to defer initialization until the distributed execution happens. This may come at a minor performance cost. You can naturally also use a `RichFunction` in Scala.
-
-## Using the Scala API, I get an error about implicit values and evidence parameters.
-
-This error means that the implicit value for the type information could not be provided.
-Make sure that you have an `import org.apache.flink.streaming.api.scala._` (DataStream API) or an
-`import org.apache.flink.api.scala._` (DataSet API) statement in your code.
-
-If you are using Flink operations inside functions or classes that take
-generic parameters, then a TypeInformation must be available for that parameter.
-This can be achieved by using a context bound:
-
-~~~scala
-def myFunction[T: TypeInformation](input: DataSet[T]): DataSet[Seq[T]] = {
-  input.reduceGroup( i => i.toSeq )
-}
-~~~
-
-See [Type Extraction and Serialization]({{ site.docs-snapshot }}/dev/types_serialization.html) for
-an in-depth discussion of how Flink handles types.
-
-## I see a ClassCastException: X cannot be cast to X.
-
-When you see an exception in the style `com.foo.X` cannot be cast to `com.foo.X` (or cannot be assigned to `com.foo.X`), it means that
-multiple versions of the class `com.foo.X` have been loaded by different class loaders, and types of that class are attempted to be assigned to each other.
-
-The reason for that can be:
-
-  - Class duplication through `child-first` classloading. That is an intentional mechanism to allow users to use different versions of the same
-    dependencies that Flink uses. However, if different copies of these classes move between Flink's core and the user application code, such an exception
-    can occur. To verify that this is the reason, try setting `classloader.resolve-order: parent-first` in the configuration.
-    If that makes the error disappear, please write to the mailing list to check if that may be a bug.
-
-  - Caching of classes from different execution attempts, for example, by utilities like Guava’s Interners, or Avro's Schema cache.
-    Try to not use interners, or reduce the scope of the interner/cache to make sure a new cache is created whenever a new task
-    execution is started.
-
-## I have an AbstractMethodError or NoSuchFieldError.
-
-Such errors typically indicate a mix-up in some dependency version. That means a different version of a dependency (a library)
-is loaded during the execution compared to the version that code was compiled against.
-
-From Flink 1.4.0 on, dependencies in your application JAR file may have different versions compared to dependencies used
-by Flink's core, or other dependencies in the classpath (for example from Hadoop). That requires `child-first` classloading
-to be activated, which is the default.
-
-If you see these problems in Flink 1.4+, one of the following may be true:
-
-  - You have a dependency version conflict within your application code. Make sure all your dependency versions are consistent.
-  - You are conflicting with a library that Flink cannot support via `child-first` classloading. Currently these are the
-    Scala standard library classes, as well as Flink's own classes, logging APIs, and any Hadoop core classes.
-
-
-## My DataStream application produces no output, even though events are going in.
-
-If your DataStream application uses *Event Time*, check that your watermarks get updated. If no watermarks are produced,
-event time windows might never trigger, and the application would produce no results.
-
-You can check in Flink's web UI (watermarks section) whether watermarks are making progress.
-
-## I see an exception reporting "Insufficient number of network buffers".
-
-If you run Flink with a very high parallelism, you may need to increase the number of network buffers.
-
-By default, Flink takes 10% of the JVM heap size for network buffers, with a minimum of 64MB and a maximum of 1GB.
-You can adjust all these values via `taskmanager.network.memory.fraction`, `taskmanager.network.memory.min`, and
-`taskmanager.network.memory.max`.
-
-Please refer to the [Configuration Reference]({{ site.docs-snapshot }}/ops/config.html#configuring-the-network-buffers) for details.
-
-## My job fails with various exceptions from the HDFS/Hadoop code. What can I do?
-
-The most common cause for that is that the Hadoop version in Flink's classpath is different from the
-Hadoop version of the cluster you want to connect to (HDFS / YARN).
-
-The easiest way to fix that is to pick a Hadoop-free Flink version and simply export the Hadoop path and
-classpath from the cluster.
+Common error messages are listed on the [Getting Help]({{ site.baseurl }}/gettinghelp.html#got-an-error-message) page.

http://git-wip-us.apache.org/repos/asf/flink-web/blob/cbefc2e9/features.md
----------------------------------------------------------------------
diff --git a/features.md b/features.md
deleted file mode 100755
index a3bb5d2..0000000
--- a/features.md
+++ /dev/null
@@ -1,338 +0,0 @@
----
-title: "Features"
-layout: features
----
-
-
-<!-- --------------------------------------------- -->
-<!--                Streaming
-<!-- --------------------------------------------- -->
-
-----
-
-<div class="row" style="padding: 0 0 0 0">
-  <div class="col-sm-12" style="text-align: center;">
-    <h1 id="streaming"><b>Streaming</b></h1>
-  </div>
-</div>
-
-----
-
-<!-- High Performance -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="performance"><i>High Performance & Low Latency</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-12">
-    <p class="lead">Flink's data streaming runtime achieves high throughput rates and low latency with little configuration.
-    The charts below show the performance of a distributed item counting task, requiring streaming data shuffles.</p>
-  </div>
-</div>
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12 img-column">
-    <img src="{{ site.baseurl }}/img/features/streaming_performance.png" alt="Performance of data streaming applications" style="width:75%" />
-  </div>
-</div>
-
-----
-
-<!-- Event Time Streaming -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="event_time"><i>Support for Event Time and Out-of-Order Events</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-6">
-    <p class="lead">Flink supports stream processing and windowing with <b>Event Time</b> semantics.</p>
-    <p class="lead">Event time makes it easy to compute over streams where events arrive out of order, and where events may arrive delayed.</p>
-  </div>
-  <div class="col-sm-6 img-column">
-    <img src="{{ site.baseurl }}/img/features/out_of_order_stream.png" alt="Event Time and Out-of-Order Streams" style="width:100%" />
-  </div>
-</div>
-
-----
-
-<!-- Exactly-once Semantics -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="exactly_once"><i>Exactly-once Semantics for Stateful Computations</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-6">
-    <p class="lead">Streaming applications can maintain custom state during their computation.</p>
-    <p class="lead">Flink's checkpointing mechanism ensures <i>exactly once</i> semantics for the state in the presence of failures.</p>
-  </div>
-  <div class="col-sm-6 img-column">
-    <img src="{{ site.baseurl }}/img/features/exactly_once_state.png" alt="Exactly-once Semantics for Stateful Computations" style="width:50%" />
-  </div>
-</div>
-
-----
-
-<!-- Windowing -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="windows"><i>Highly flexible Streaming Windows</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-6">
-    <p class="lead">Flink supports windows over time, count, or sessions, as well as data-driven windows.</p>
-    <p class="lead">Windows can be customized with flexible triggering conditions, to support sophisticated streaming patterns.</p>
-  </div>
-  <div class="col-sm-6 img-column">
-    <img src="{{ site.baseurl }}/img/features/windows.png" alt="Windows" style="width:100%" />
-  </div>
-</div>
-
-----
-
-<!-- Continuous streaming -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="streaming_model"><i>Continuous Streaming Model with Backpressure</i></h1>
-  </div>
-</div>
-
-<div class="row">
-  <div class="col-sm-6">
-    <p class="lead">Data streaming applications are executed with continuous (long lived) operators.</p>
-    <p class="lead">Flink's streaming runtime has natural flow control: Slow data sinks backpressure faster sources.</p>
-  </div>
-  <div class="col-sm-6 img-column">
-    <img src="{{ site.baseurl }}/img/features/continuous_streams.png" alt="Continuous Streaming Model" style="width:60%" />
-  </div>
-</div>
-
-----
-
-<!-- Lightweight distributed snapshots -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="snapshots"><i>Fault-tolerance via Lightweight Distributed Snapshots</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-6">
-    <p class="lead">Flink's fault tolerance mechanism is based on Chandy-Lamport distributed snapshots.</p>
-    <p class="lead">The mechanism is lightweight, allowing the system to maintain high throughput rates and provide strong consistency guarantees at the same time.</p>
-  </div>
-  <div class="col-sm-6 img-column">
-    <img src="{{ site.baseurl }}/img/features/distributed_snapshots.png" alt="Lightweight Distributed Snapshots" style="width:40%" />
-  </div>
-</div>
-
-----
-
-<!-- --------------------------------------------- -->
-<!--                Batch
-<!-- --------------------------------------------- -->
-
-<div class="row" style="padding: 0 0 0 0">
-  <div class="col-sm-12" style="text-align: center;">
-    <h1 id="batch-on-streaming"><b>Batch and Streaming in One System</b></h1>
-  </div>
-</div>
-
-----
-
-<!-- One Runtime for Streaming and Batch Processing -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="one_runtime"><i>One Runtime for Streaming and Batch Processing</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-6">
-    <p class="lead">Flink uses one common runtime for data streaming applications and batch processing applications.</p>
-    <p class="lead">Batch processing applications run efficiently as special cases of stream processing applications.</p>
-  </div>
-  <div class="col-sm-6 img-column">
-    <img src="{{ site.baseurl }}/img/features/one_runtime.png" alt="Unified Runtime for Batch and Stream Data Analysis" style="width:50%" />
-  </div>
-</div>
-
-----
-
-
-<!-- Memory Management -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="memory_management"><i>Memory Management</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-6">
-    <p class="lead">Flink implements its own memory management inside the JVM.</p>
-    <p class="lead">Applications scale to data sizes beyond main memory and experience less garbage collection overhead.</p>
-  </div>
-  <div class="col-sm-6 img-column">
-    <img src="{{ site.baseurl }}/img/features/memory_heap_division.png" alt="Managed JVM Heap" style="width:50%" />
-  </div>
-</div>
-
-----
-
-<!-- Iterations -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="iterations"><i>Iterations and Delta Iterations</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-6">
-    <p class="lead">Flink has dedicated support for iterative computations (as in machine learning and graph analysis).</p>
-    <p class="lead">Delta iterations can exploit computational dependencies for faster convergence.</p>
-  </div>
-  <div class="col-sm-6 img-column">
-    <img src="{{ site.baseurl }}/img/features/iterations.png" alt="Performance of iterations and delta iterations" style="width:75%" />
-  </div>
-</div>
-
-----
-
-<!-- Optimizer -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="optimizer"><i>Program Optimizer</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-6">
-    <p class="lead">Batch programs are automatically optimized to exploit situations where expensive operations (like shuffles and sorts) can be avoided, and when intermediate data should be cached.</p>
-  </div>
-  <div class="col-sm-6 img-column">
-    <img src="{{ site.baseurl }}/img/features/optimizer_choice.png" alt="Optimizer choosing between different execution strategies" style="width:100%" />
-  </div>
-</div>
-
-----
-
-<!-- --------------------------------------------- -->
-<!--             APIs and Libraries
-<!-- --------------------------------------------- -->
-
-<div class="row" style="padding: 0 0 0 0">
-  <div class="col-sm-12" style="text-align: center;">
-    <h1 id="apis-and-libs"><b>APIs and Libraries</b></h1>
-  </div>
-</div>
-
-----
-
-<!-- Data Streaming API -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="streaming_api"><i>Streaming Data Applications</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-5">
-    <p class="lead">The <i>DataStream</i> API supports functional transformations on data streams, with user-defined state, and flexible windows.</p>
-    <p class="lead">The example shows how to compute a sliding histogram of word occurrences of a data stream of texts.</p>
-  </div>
-  <div class="col-sm-7">
-    <p class="lead">WindowWordCount in Flink's DataStream API</p>
-{% highlight scala %}
-case class Word(word: String, freq: Long)
-
-val texts: DataStream[String] = ...
-
-val counts = text
-  .flatMap { line => line.split("\\W+") }
-  .map { token => Word(token, 1) }
-  .keyBy("word")
-  .timeWindow(Time.seconds(5), Time.seconds(1))
-  .sum("freq")
-{% endhighlight %}
-  </div>
-</div>
-
-----
-
-<!-- Batch Processing API -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="batch_api"><i>Batch Processing Applications</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-5">
-    <p class="lead">Flink's <i>DataSet</i> API lets you write beautiful type-safe and maintainable code in Java or Scala. It supports a wide range of data types beyond key/value pairs, and a wealth of operators.</p>
-    <p class="lead">The example shows the core loop of the PageRank algorithm for graphs.</p>
-  </div>
-  <div class="col-sm-7">
-{% highlight scala %}
-case class Page(pageId: Long, rank: Double)
-case class Adjacency(id: Long, neighbors: Array[Long])
-
-val result = initialRanks.iterate(30) { pages =>
-  pages.join(adjacency).where("pageId").equalTo("id") {
-
-    (page, adj, out: Collector[Page]) => {
-      out.collect(Page(page.pageId, 0.15 / numPages))
-
-      val nLen = adj.neighbors.length
-      for (n <- adj.neighbors) {
-        out.collect(Page(n, 0.85 * page.rank / nLen))
-      }
-    }
-  }
-  .groupBy("pageId").sum("rank")
-}
-{% endhighlight %}
-  </div>
-</div>
-
-----
-
-<!-- Library Ecosystem -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="libraries"><i>Library Ecosystem</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-6">
-    <p class="lead">Flink's stack offers libraries with high-level APIs for different use cases: Complex Event Processing, Machine Learning, and Graph Analytics.</p>
-    <p class="lead">The libraries are currently in <i>beta</i> status and are heavily developed.</p>
-  </div>
-  <div class="col-sm-6 img-column">
-    <img src="{{ site.baseurl }}/img/flink-stack-frontpage.png" alt="Flink Stack with Libraries" style="width:100%" />
-  </div>
-</div>
-
-----
-
-<!-- --------------------------------------------- -->
-<!--             Ecosystem
-<!-- --------------------------------------------- -->
-
-<div class="row" style="padding: 0 0 0 0">
-  <div class="col-sm-12" style="text-align: center;">
-    <h1><b>Ecosystem</b></h1>
-  </div>
-</div>
-
-----
-
-<!-- Ecosystem -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="ecosystem"><i>Broad Integration</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-6">
-    <p class="lead">Flink is integrated with many other projects in the open-source data processing ecosystem.</p>
-    <p class="lead">Flink runs on YARN, works with HDFS, streams data from Kafka, can execute Hadoop program code, and connects to various other data storage systems.</p>
-  </div>
-  <div class="col-sm-6  img-column">
-    <img src="{{ site.baseurl }}/img/features/ecosystem_logos.png" alt="Other projects that Flink is integrated with" style="width:75%" />
-  </div>
-</div>

http://git-wip-us.apache.org/repos/asf/flink-web/blob/cbefc2e9/flink-applications.md
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+---
+title: "What is Apache Flink?"
+---
+
+<hr/>
+<div class="row">
+  <div class="col-sm-12" style="background-color: #f8f8f8;">
+    <h2>
+      <a href="{{ site.baseurl }}/flink-architecture.html">Architecture</a> &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      Applications &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      <a href="{{ site.baseurl }}/flink-operations.html">Operations</a>
+    </h2>
+  </div>
+</div>
+<hr/>
+
+Apache Flink is a framework for stateful computations over unbounded and bounded data streams. Flink provides multiple APIs at different levels of abstraction and offers dedicated libraries for common use cases.
+
+Here, we present Flink's easy-to-use and expressive APIs and libraries.
+
+## Building Blocks for Streaming Applications
+
+The types of applications that can be built with and executed by a stream processing framework are defined by how well the framework controls *streams*, *state*, and *time*. In the following, we describe these building blocks for stream processing applications and explain Flink's approaches to handle them.
+
+### Streams
+
+Obviously, streams are a fundamental aspect of stream processing. However, streams can have different characteristics that affect how a stream can and should be processed. Flink is a versatile processing framework that can handle any kind of stream.
+
+* **Bounded** and **unbounded** streams: Streams can be unbounded or bounded, i.e., fixed-sized data sets. Flink has sophisticated features to process unbounded streams, but also dedicated operators to efficiently process bounded streams. 
+* **Real-time** and **recorded** streams: All data are generated as streams. There are two ways to process the data. Processing it in real-time as it is generated or persisting the stream to a storage system, e.g., a file system or object store, and processed it later. Flink applications can process recorded or real-time streams.
+
+### State
+
+Every non-trivial streaming application is stateful, i.e., only applications that apply transformations on individual events do not require state. Any application that runs basic business logic needs to remember events or intermediate results to access them at a later point in time, for example when the next event is received or after a specific time duration.
+
+<div class="row front-graphic">
+  <img src="{{ site.baseurl }}/img/function-state.png" width="350px" />
+</div>
+
+Application state is a first-class citizen in Flink. You can see that by looking at all the features that Flink provides in the context of state handling.
+
+* **Multiple State Primitives**: Flink provides state primitives for different data structures, such as atomic values, lists, or maps. Developers can choose the state primitive that is most efficient based on the access pattern of the function.
+* **Pluggable State Backends**: Application state is managed in and checkpointed by a pluggable state backend. Flink features different state backends that store state in memory or in [RocksDB](https://rocksdb.org/), an efficient embedded on-disk data store. Custom state backends can be plugged in as well.
+* **Exactly-once state consistency**: Flink's checkpointing and recovery algorithms guarantee the consistency of application state in case of a failure. Hence, failures are transparently handled and do not affect the correctness of an application.
+* **Very Large State**: Flink is able to maintain application state of several terabytes in size due to its asynchronous and incremental checkpoint algorithm.
+* **Scalable Applications**: Flink supports scaling of stateful applications by redistributing the state to more or fewer workers.
+
+### Time
+
+Time is another important ingredient of streaming applications. Most event streams have inherent time semantics because each event is produced at a specific point in time. Moreover, many common stream computations are based on time, such as windows aggregations, sessionization, pattern detection, and time-based joins. An important aspect of stream processing is how an application measures time, i.e., the difference of event-time and processing-time.
+
+Flink provides a rich set of time-related features.
+
+* **Event-time Mode**: Applications that process streams with event-time semantics compute results based on timestamps of the events. Thereby, event-time processing allows for accurate and consistent results regardless whether recorded or real-time events are processed.
+* **Watermark Support**: Flink employs watermarks to reason about time in event-time applications. Watermarks are also a flexible mechanism to trade-off the latency and completeness of results.
+* **Late Data Handling**: When processing streams in event-time mode with watermarks, it can happen that a computation has been completed before all associated events have arrived. Such events are called late events. Flink features multiple options to handle late events, such as rerouting them via side outputs and updating previously completed results.
+* **Processing-time Mode**: In addition to its event-time mode, Flink also supports processing-time semantics which performs computations as triggered by the wall-clock time of the processing machine. The processing-time mode can be suitable for certain applications with strict low-latency requirements that can tolerate approximate results.
+
+## Layered APIs
+
+Flink provides three layered APIs. Each API offers a different trade-off between conciseness and expressiveness and targets different use cases.
+
+<div class="row front-graphic">
+  <img src="{{ site.baseurl }}/img/api-stack.png" width="500px" />
+</div>
+
+We briefly present each API, discuss its applications, and show a code example.
+
+### The ProcessFunctions
+
+[ProcessFunctions](https://ci.apache.org/projects/flink/flink-docs-stable/dev/stream/operators/process_function.html) are the most expressive function interfaces that Flink offers. Flink provides ProcessFunctions to process individual events from one or two input streams or events that were grouped in a window. ProcessFunctions provide fine-grained control over time and state. A ProcessFunction can arbitrarily modify its state and register timers that will trigger a callback function in the future. Hence, ProcessFunctions can implement complex per-event business logic as required for many [stateful event-driven applications]({{ site.baseurl }}/usecases.html#eventDrivenApps).
+
+The following example shows a `KeyedProcessFunction` that operates on a `KeyedStream` and matches `START` and `END` events. When a `START` event is received, the function remembers its timestamp in state and registers a timer in four hours. If an `END` event is received before the timer fires, the function computes the duration between `END` and `START` event, clears the state, and returns the value. Otherwise, the timer just fires and clears the state.
+
+{% highlight java %}
+/**
+ * Matches keyed START and END events and computes the difference between 
+ * both elements' timestamps. The first String field is the key attribute, 
+ * the second String attribute marks START and END events.
+ */
+public static class StartEndDuration
+    extends KeyedProcessFunction<String, Tuple2<String, String>, Tuple2<String, Long>> {
+
+  private ValueState<Long> startTime;
+
+  @Override
+  public void open(Configuration conf) {
+    // obtain state handle
+    startTime = getRuntimeContext()
+      .getState(new ValueStateDescriptor<Long>("startTime", Long.class));
+  }
+
+  /** Called for each processed event. */
+  @Override
+  public void processElement(
+      Tuple2<String, String> in,
+      Context ctx,
+      Collector<Tuple2<String, Long>> out) throws Exception {
+
+    switch (in.f1) {
+      case "START":
+        // set the start time if we receive a start event.
+        startTime.update(ctx.timestamp());
+        // register a timer in four hours from the start event.
+        ctx.timerService()
+          .registerEventTimeTimer(ctx.timestamp() + 4 * 60 * 60 * 1000);
+        break;
+      case "END":
+        // emit the duration between start and end event
+        Long sTime = startTime.value();
+        if (sTime != null) {
+          out.collect(Tuple2.of(in.f0, ctx.timestamp() - sTime));
+          // clear the state
+          startTime.clear();
+        }
+      default:
+        // do nothing
+    }
+  }
+
+  /** Called when a timer fires. */
+  @Override
+  public void onTimer(
+      long timestamp,
+      OnTimerContext ctx,
+      Collector<Tuple2<String, Long>> out) {
+
+    // Timeout interval exceeded. Cleaning up the state.
+    startTime.clear();
+  }
+}
+{% endhighlight %}
+
+The example illustrates the expressive power of the `KeyedProcessFunction` but also highlights that it is a rather verbose interface.
+
+### The DataStream API
+
+The [DataStream API](https://ci.apache.org/projects/flink/flink-docs-stable/dev/datastream_api.html) provides primitives for many common stream processing operations, such as windowing, record-at-a-time transformations, and enriching events by querying an external data store. The DataStream API is available for Java and Scala and is based on functions, such as `map()`, `reduce()`, and `aggregate()`. Functions can be defined by extending interfaces or as Java or Scala lambda functions. 
+
+The following example shows how to sessionize a clickstream and count the number of clicks per session.
+
+{% highlight java %}
+// a stream of website clicks
+DataStream<Click> clicks = ...
+
+DataStream<Tuple2<String, Long>> result = clicks
+  // project clicks to userId and add a 1 for counting
+  .map(
+    // define function by implementing the MapFunction interface.
+    new MapFunction<Click, Tuple2<String, Long>>() {
+      @Override
+      public Tuple2<String, Long> map(Click click) {
+        return Tuple2.of(click.userId, 1L);
+      }
+    })
+  // key by userId (field 0)
+  .keyBy(0)
+  // define session window with 30 minute gap
+  .window(EventTimeSessionWindows.withGap(Time.minutes(30L)))
+  // count clicks per session. Define function as lambda function.
+  .reduce((a, b) -> Tuple2.of(a.f0, a.f1 + b.f1));
+{% endhighlight %}
+
+### SQL &amp; Table API
+
+Flink features two relational APIs, the [Table API and SQL](https://ci.apache.org/projects/flink/flink-docs-stable/dev/table/index.html). Both APIs are unified APIs for batch and stream processing, i.e., queries are executed with the same semantics on unbounded, real-time streams or bounded, recorded streams and produce the same results. The Table API and SQL leverage [Apache Calcite](https://calcite.apache.org) for parsing, validation, and query optimization. They can be seamlessly integrated with the DataStream and DataSet APIs and support user-defined scalar, aggregate, and table-valued functions. 
+
+Flink's relational APIs are designed to ease the definition of [data analytics]({{ site.baseurl }}/usecases.html#analytics), [data pipelining, and ETL applications]({{ site.baseurl }}/usecases.html#pipelines).
+
+The following example shows the SQL query to sessionize a clickstream and count the number of clicks per session. This is the same use case as in the example of the DataStream API.
+
+~~~sql
+SELECT userId, COUNT(*)
+FROM clicks
+GROUP BY SESSION(clicktime, INTERVAL '30' MINUTE), userId
+~~~
+
+## Libraries
+
+Flink features several libraries for common data processing use cases. The libraries are typically embedded in an API and not fully self-contained. Hence, they can benefit from all features of the API and be integrated with other libraries.
+
+* **[Complex Event Processing (CEP)](https://ci.apache.org/projects/flink/flink-docs-stable/dev/libs/cep.html)**: Pattern detection is a very common use case for event stream processing. Flink's CEP library provides an API to specify patterns of events (think of regular expressions or state machines). The CEP library is integrated with Flink's DataStream API, such that patterns are evaluated on DataStreams. Applications for the CEP library include network intrusion detection, business process monitoring, and fraud detection. 
+  
+* **[DataSet API](https://ci.apache.org/projects/flink/flink-docs-stable/dev/batch/index.html)**: The DataSet API is Flink's core API for batch processing applications. The primitives of the DataSet API include *map*, *reduce*, *(outer) join*, *co-group*, and *iterate*. All operations are backed by algorithms and data structures that operate on serialized data in memory and spill to disk if the data size exceed the memory budget. The data processing algorithms of Flink's DataSet API are inspired by traditional database operators, such as hybrid hash-join or external merge-sort.
+  
+* **[Gelly](https://ci.apache.org/projects/flink/flink-docs-stable/dev/libs/gelly/index.html)**: Gelly is a library for scalable graph processing and analysis. Gelly is implemented on top of and integrated with the DataSet API. Hence, it benefits from its scalable and robust operators. Gelly features [built-in algorithms](https://ci.apache.org/projects/flink/flink-docs-stable/dev/libs/gelly/library_methods.html), such as label propagation, triangle enumeration, and page rank, but provides also a [Graph API](https://ci.apache.org/projects/flink/flink-docs-stable/dev/libs/gelly/graph_api.html) that eases the implementation of custom graph algorithms.
+
+<hr/>
+<div class="row">
+  <div class="col-sm-12" style="background-color: #f8f8f8;">
+    <h2>
+      <a href="{{ site.baseurl }}/flink-architecture.html">Architecture</a> &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      Applications &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      <a href="{{ site.baseurl }}/flink-operations.html">Operations</a>
+    </h2>
+  </div>
+</div>
+<hr/>

http://git-wip-us.apache.org/repos/asf/flink-web/blob/cbefc2e9/flink-architecture.md
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+---
+title: "What is Apache Flink?"
+---
+
+<hr/>
+<div class="row">
+  <div class="col-sm-12" style="background-color: #f8f8f8;">
+    <h2>
+      Architecture &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      <a href="{{ site.baseurl }}/flink-applications.html">Applications</a> &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      <a href="{{ site.baseurl }}/flink-operations.html">Operations</a>
+    </h2>
+  </div>
+</div>
+<hr/>
+
+Apache Flink is a framework and distributed processing engine for stateful computations over *unbounded and bounded* data streams. Flink has been designed to run in *all common cluster environments*, perform computations at *in-memory speed* and at *any scale*.
+
+Here, we explain important aspects of Flink's architecture.
+
+<!--
+<div class="row front-graphic">
+  <img src="{{ site.baseurl }}/img/flink-home-graphic-update3.png" width="800px" />
+</div>
+-->
+
+## Process Unbounded and Bounded Data
+
+Any kind of data is produced as a stream of events. Credit card transactions, sensor measurements, machine logs, or user interactions on a website or mobile application, all of these data are generated as a stream. 
+
+Data can be processed as *unbounded* or *bounded* streams. 
+
+1. **Unbounded streams** have a start but no defined end. They do not terminate and provide data as it is generated. Unbounded streams must be continuously processed, i.e., events must be promptly handled after they have been ingested. It is not possible to wait for all input data to arrive because the input is unbounded and will not be complete at any point in time. Processing unbounded data often requires that events are ingested in a specific order, such as the order in which events occurred, to be able to reason about result completeness.
+
+2. **Bounded streams** have a defined start and end. Bounded streams can be processed by ingesting all data before performing any computations. Ordered ingestion is not required to process bounded streams because a bounded data set can always be sorted. Processing of bounded streams is also known as batch processing.
+
+<div class="row front-graphic">
+  <img src="{{ site.baseurl }}/img/bounded-unbounded.png" width="600px" />
+</div>
+
+**Apache Flink excels at processing unbounded and bounded data sets.** Precise control of time and state enable Flink's runtime to run any kind of application on unbounded streams. Bounded streams are internally processed by algorithms and data structures that are specifically designed for fixed sized data sets, yielding excellent performance. 
+
+Convince yourself by exploring the [use cases]({{ site.baseurl }}/usecases.html) that have been built on top of Flink.
+
+## Deploy Applications Anywhere
+
+Apache Flink is a distributed system and requires compute resources in order to execute applications. Flink integrates with all common cluster resource managers such as [Hadoop YARN](https://hadoop.apache.org/docs/stable/hadoop-yarn/hadoop-yarn-site/YARN.html), [Apache Mesos](https://mesos.apache.org), and [Kubernetes](https://kubernetes.io/) but can also be setup to run as a stand-alone cluster.
+
+Flink is designed to work well each of the previously listed resource managers. This is achieved by resource-manager-specific deployment modes that allow Flink to interact with each resource manager in its idiomatic way. 
+
+When deploying a Flink application, Flink automatically identifies the required resources based on the application's configured parallelism and requests them from the resource manager. In case of a failure, Flink replaces the failed container by requesting new resources. All communication to submit or control an application happens via REST calls. This eases the integration of Flink in many environments. 
+
+<!-- Add this section once library deployment mode is supported. -->
+<!--
+
+Flink features two deployment modes for applications, the *framework mode* and the *library mode*.
+
+* In the **framework deployment mode**, a client submits a Flink application against a running Flink service that takes care of executing the application. This is the common deployment model for most data processing frameworks, query engines, or database systems.
+
+* In the **library deployment mode**, a Flink application is packaged together with the Flink master executables into a (Docker) image. Another job-independent image contains the Flink worker executables. When a container is started from the job image, the Flink master process is started and the embedded application is automatically loaded. Containers started from the worker image, bootstrap Flink worker processes which automatically connect to the master process. A container manager such as Kubernetes monitors the running containers and automatically restarts failed containers. In this mode, you don't have to setup and maintain a Flink service in your cluster. Instead you package Flink as a library with your application. This model is very popular for deploying microservices. 
+
+<div class="row front-graphic">
+  <img src="{{ site.baseurl }}/img/deployment-modes.png" width="600px" />
+</div>
+
+-->
+
+## Run Applications at any Scale
+
+Flink is designed to run stateful streaming applications at any scale. Applications are parallelized into possibly thousands of tasks that are distributed and concurrently executed in a cluster. Therefore, an application can leverage virtually unlimited amounts of CPUs, main memory, disk and network IO. Moreover, Flink easily maintains very large application state. Its asynchronous and incremental checkpointing algorithm ensures minimal impact on processing latencies while guaranteeing exactly-once state consistency.
+
+[Users reported impressive scalability numbers]({{ site.baseurl }}/poweredby.html) for Flink applications running in their production environments, such as
+
+* applications processing **multiple trillions of events per day**,
+* applications maintaining **multiple terabytes of state**, and
+* applications **running on thousands of cores**.
+
+## Leverage In-Memory Performance
+
+Stateful Flink applications are optimized for local state access. Task state is always maintained in memory or, if the state size exceeds the available memory, in access-efficient on-disk data structures. Hence, tasks perform all computations by accessing local, often in-memory, state yielding very low processing latencies. Flink guarantees exactly-once state consistency in case of failures by periodically and asynchronously checkpointing the local state to durable storage.
+
+<div class="row front-graphic">
+  <img src="{{ site.baseurl }}/img/local-state.png" width="600px" />
+</div>
+
+<hr/>
+<div class="row">
+  <div class="col-sm-12" style="background-color: #f8f8f8;">
+    <h2>
+      Architecture &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      <a href="{{ site.baseurl }}/flink-applications.html">Applications</a> &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      <a href="{{ site.baseurl }}/flink-operations.html">Operations</a>
+    </h2>
+  </div>
+</div>
+<hr/>

http://git-wip-us.apache.org/repos/asf/flink-web/blob/cbefc2e9/flink-operations.md
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+---
+title: "What is Apache Flink?"
+---
+
+<hr/>
+<div class="row">
+  <div class="col-sm-12" style="background-color: #f8f8f8;">
+    <h2>
+      <a href="{{ site.baseurl }}/flink-architecture.html">Architecture</a> &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      <a href="{{ site.baseurl }}/flink-applications.html">Applications</a> &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      Operations
+    </h2>
+  </div>
+</div>
+<hr/>
+
+Apache Flink is a framework for stateful computations over unbounded and bounded data streams. Since many streaming applications are designed to run continuously with minimal downtime, a stream processor must provide excellent failure recovery, as well as, tooling to monitor and maintain applications while they are running.
+
+Apache Flink puts a strong focus on the operational aspects of stream processing. Here, we explain Flink's failure recovery mechanism and present its features to manage and supervise running applications.
+
+## Run Your Applications Non-Stop 24/7
+
+Machine and process failures are ubiquitous in distributed systems. A distributed stream processors like Flink must recover from failures in order to be able to run streaming applications 24/7. Obviously, this does not only mean to restart an application after a failure but also to ensure that its internal state remains consistent, such that the application can continue processing as if the failure had never happened.
+
+Flink provides a several features to ensure that applications keep running and remain consistent:
+
+* **Consistent Checkpoints**: Flink's recovery mechanism is based on consistent checkpoints of an application's state. In case of a failure, the application is restarted and its state is loaded from the latest checkpoint. In combination with resettable stream sources, this feature can guarantee *exactly-once state consistency*.
+* **Efficient Checkpoints**: Checkpointing the state of an application can be quite expensive if the application maintains terabytes of state. Flink's can perform asynchronous and incremental checkpoints, in order to keep the impact of checkpoints on the application's latency SLAs very small.
+* **End-to-End Exactly-Once**: Flink features transactional sinks for specific storage systems that guarantee that data is only written out exactly once, even in case of failures.
+* **Integration with Cluster Managers**: Flink is tightly integrated with cluster managers, such as [Hadoop YARN](https://hadoop.apache.org), [Mesos](https://mesos.apache.org), or [Kubernetes](https://kubernetes.io). When a process fails, a new process is automatically started to take over its work. 
+* **High-Availability Setup**: Flink feature a high-availability mode that eliminates all single-points-of-failure. The HA-mode is based on [Apache ZooKeeper](https://zookeeper.apache.org), a battle-proven service for reliable distributed coordination.
+
+## Update, Migrate, Suspend, and Resume Your Applications
+
+Streaming applications that power business-critical services need to be maintained. Bugs need to be fixed and improvements or new features need to be implemented. However, updating a stateful streaming application is not trivial. Often one cannot simply stop the applications and restart an fixed or improved version because one cannot afford to lose the state of the application.
+
+Flink's *Savepoints* are a unique and powerful feature that solves the issue of updating stateful applications and many other related challenges. A savepoint is a consistent snapshot of an application's state and therefore very similar to a checkpoint. However in contrast to checkpoints, savepoints need to be manually triggered and are not automatically removed when an application is stopped. A savepoint can be used to start a state-compatible application and initialize its state. Savepoints enable the following features:
+
+* **Application Evolution**: Savepoints can be used to evolve applications. A fixed or improved version of an application can be restarted from a savepoint that was taken from a previous version of the application. It is also possible to start the application from an earlier point in time (given such a savepoint exists) to repair incorrect results produced by the flawed version.
+* **Cluster Migration**: Using savepoints, applications can be migrated (or cloned) to different clusters.
+* **Flink Version Updates**: An application can be migrated to run on a new Flink version using a savepoint.
+* **Application Scaling**: Savepoints can be used to increase or decrease the parallelism of an application.
+* **A/B Tests and What-If Scenarios**: The performance or quality of two (or more) different versions of an application can be compared by starting all versions from the same savepoint. 
+* **Pause and Resume**: An application can be paused by taking a savepoint and stopping it. At any later point in time, the application can be resumed from the savepoint.
+* **Archiving**: Savepoints can be archived to be able to reset the state of an application to an earlier point in time.
+
+## Monitor and Control Your Applications
+
+Just like any other service, continuously running streaming applications need to be supervised and integrated into the operations infrastructure, i.e., monitoring and logging services, of an organization. Monitoring helps to anticipate problems and react ahead of time. Logging enables root-cause analysis to investigate failures. Finally, easily accessible interfaces to control running applications are an important feature.
+
+Flink integrates nicely with many common logging and monitoring services and provides a REST API to control applications and query information.
+
+* **Web UI**: Flink features a web UI to inspect, monitor, and debug running applications. It can also be used to submit executions for execution or cancel them.
+* **Logging**: Flink implements the popular slf4j logging interface and integrates with the logging frameworks [log4j](https://logging.apache.org/log4j/2.x/) or [logback](https://logback.qos.ch/).
+* **Metrics**: Flink features a sophisticated metrics system to collect and report system and user-defined metrics. Metrics can be exported to several reporters, including [JMX](https://en.wikipedia.org/wiki/Java_Management_Extensions), Ganglia, [Graphite](https://graphiteapp.org/), [Prometheus](https://prometheus.io/), [StatsD](https://github.com/etsy/statsd), [Datadog](https://www.datadoghq.com/), and [Slf4j](https://www.slf4j.org/). 
+* **REST API**: Flink exposes a REST API to submit a new application, take a savepoint of a running application, or cancel an application. The REST API also exposes meta data and collected metrics of running or completed applications.
+
+<hr/>
+<div class="row">
+  <div class="col-sm-12" style="background-color: #f8f8f8;">
+    <h2>
+      <a href="{{ site.baseurl }}/flink-architecture.html">Architecture</a> &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      <a href="{{ site.baseurl }}/flink-applications.html">Applications</a> &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      Operations
+    </h2>
+  </div>
+</div>
+<hr/>

http://git-wip-us.apache.org/repos/asf/flink-web/blob/cbefc2e9/gettinghelp.md
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+---
+title: "Getting Help"
+---
+
+<hr />
+
+{% toc %}
+
+## Having a Question?
+
+The Apache Flink community answers many user questions every day. You can search for answers and advice in the archives or reach out to the community for help and guidance.
+
+### User Mailing List
+
+Many Flink users, contributors, and committers are subscribed to Flink's user mailing list. The user mailing list is a very good place to ask for help. 
+
+Before posting to the mailing list, you can search the mailing list archives for email threads that discuss issues related to yours on the following websites.
+
+- [Apache Pony Mail Archive](https://lists.apache.org/list.html?user@flink.apache.org)
+- [Nabble Archive](http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/)
+
+If you'd like to post to the mailing list, you need to
+
+1. subscribe to the mailing list by sending an email to `user-subscribe@flink.apache.org`, 
+2. confirm the subscription by replying to the confirmation email, and
+3. send your email to `user@flink.apache.org`.
+
+Please note that you won't receive a respose to your mail if you are not subscribed.
+
+### Stack Overflow
+
+Many members of the Flink community are active on [Stack Overflow](https://stackoverflow.com). You can search for questions and answers or post your questions using the [\[apache-flink\]](https://stackoverflow.com/questions/tagged/apache-flink) tag. 
+
+## Found a Bug?
+
+If you observe an unexpected behavior that might be caused by a bug, you can search for reported bugs or file a bug report in [Flink's JIRA](https://issues.apache.org/jira/issues/?jql=project %3D FLINK).
+
+If you are unsure whether the unexpected behavior happend due to a bug or not, please post a question to the [user mailing list](#user-mailing-list).
+
+## Got an Error Message?
+
+Identifying the cause for an error message can be challenging. In the following, we list the most common error messages and explain how to handle them.
+
+### I have a NotSerializableException.
+
+Flink uses Java serialization to distribute copies of the application logic (the functions and operations you implement,
+as well as the program configuration, etc.) to the parallel worker processes.
+Because of that, all functions that you pass to the API must be serializable, as defined by
+[java.io.Serializable](http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html).
+
+If your function is an anonymous inner class, consider the following:
+  - make the function a standalone class, or a static inner class
+  - use a Java 8 lambda function.
+
+Is your function is already a static class, check the fields that you assign when you create
+an instance of the class. One of the fields most likely holds a non-serializable type.
+  - In Java, use a `RichFunction` and initialize the problematic fields in the `open()` method.
+  - In Scala, you can often simply use “lazy val” to defer initialization until the distributed execution happens. This may come at a minor performance cost. You can naturally also use a `RichFunction` in Scala.
+
+### Using the Scala API, I get an error about implicit values and evidence parameters.
+
+This error means that the implicit value for the type information could not be provided.
+Make sure that you have an `import org.apache.flink.streaming.api.scala._` (DataStream API) or an
+`import org.apache.flink.api.scala._` (DataSet API) statement in your code.
+
+If you are using Flink operations inside functions or classes that take
+generic parameters, then a TypeInformation must be available for that parameter.
+This can be achieved by using a context bound:
+
+~~~scala
+def myFunction[T: TypeInformation](input: DataSet[T]): DataSet[Seq[T]] = {
+  input.reduceGroup( i => i.toSeq )
+}
+~~~
+
+See [Type Extraction and Serialization]({{ site.docs-snapshot }}/dev/types_serialization.html) for
+an in-depth discussion of how Flink handles types.
+
+### I see a ClassCastException: X cannot be cast to X.
+
+When you see an exception in the style `com.foo.X` cannot be cast to `com.foo.X` (or cannot be assigned to `com.foo.X`), it means that
+multiple versions of the class `com.foo.X` have been loaded by different class loaders, and types of that class are attempted to be assigned to each other.
+
+The reason for that can be:
+
+  - Class duplication through `child-first` classloading. That is an intended mechanism to allow users to use different versions of the same
+    dependencies that Flink uses. However, if different copies of these classes move between Flink's core and the user application code, such an exception
+    can occur. To verify that this is the reason, try setting `classloader.resolve-order: parent-first` in the configuration.
+    If that makes the error disappear, please write to the mailing list to check if that may be a bug.
+
+  - Caching of classes from different execution attempts, for example by utilities like Guava’s Interners, or Avro's Schema cache.
+    Try to not use interners, or reduce the scope of the interner/cache to make sure a new cache is created whenever a new task
+    execution is started.
+
+### I have an AbstractMethodError or NoSuchFieldError.
+
+Such errors typically indicate a mix-up in some dependency version. That means a different version of a dependency (a library)
+is loaded during the execution compared to the version that code was compiled against.
+
+From Flink 1.4.0 on, dependencies in your application JAR file may have different versions compared to dependencies used
+by Flink's core, or other dependencies in the classpath (for example from Hadoop). That requires `child-first` classloading
+to be activated, which is the default.
+
+If you see these problems in Flink 1.4+, one of the following may be true:
+  - You have a dependency version conflict within your application code. Make sure all your dependency versions are consistent.
+  - You are conflicting with a library that Flink cannot support via `child-first` classloading. Currently these are the
+    Scala standard library classes, as well as Flink's own classes, logging APIs, and any Hadoop core classes.
+
+
+### My DataStream application produces no output, even though events are going in.
+
+If your DataStream application uses *Event Time*, check that your watermarks get updated. If no watermarks are produced,
+event time windows might never trigger, and the application would produce no results.
+
+You can check in Flink's web UI (watermarks section) whether watermarks are making progress.
+
+### I see an exception reporting "Insufficient number of network buffers".
+
+If you run Flink with a very high parallelism, you may need to increase the number of network buffers.
+
+By default, Flink takes 10% of the JVM heap size for network buffers, with a minimum of 64MB and a maximum of 1GB.
+You can adjust all these values via `taskmanager.network.memory.fraction`, `taskmanager.network.memory.min`, and
+`taskmanager.network.memory.max`.
+
+Please refer to the [Configuration Reference]({{ site.docs-snapshot }}/ops/config.html#configuring-the-network-buffers) for details.
+
+### My job fails with various exceptions from the HDFS/Hadoop code. What can I do?
+
+The most common cause for that is that the Hadoop version in Flink's classpath is different than the
+Hadoop version of the cluster you want to connect to (HDFS / YARN).
+
+The easiest way to fix that is to pick a Hadoop-free Flink version and simply export the Hadoop path and
+classpath from the cluster.

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+++ b/how-to-contribute.md
@@ -1,6 +1,9 @@
 ---
 title: "How To Contribute"
 ---
+
+<hr />
+
 Apache Flink is developed by an open and friendly community. Everybody is cordially welcome to join the community and contribute to Apache Flink. There are several ways to interact with the community and to contribute to Flink including asking questions, filing bug reports, proposing new features, joining discussions on the mailing lists, contributing code or documentation, improving the website, or testing release candidates.
 
 {% toc %}

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http://git-wip-us.apache.org/repos/asf/flink-web/blob/cbefc2e9/index.md
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diff --git a/index.md b/index.md
index 9b55638..dc8d35b 100755
--- a/index.md
+++ b/index.md
@@ -1,12 +1,13 @@
 ---
-title: "Scalable Stream and Batch Data Processing"
+title: "Stateful Computations over Data Streams"
 layout: base
 ---
 <div class="row-fluid">
 
-  <div class="col-sm-10 col-sm-offset-1 homecontent">
-    <p class="lead" markdown="span">Apache Flink® is an open-source stream processing framework for **distributed, high-performing, always-available,** and **accurate** data streaming applications.</p>
-    <a href="{{ site.baseurl }}/introduction.html" class="btn btn-default btn-intro">Introduction to Flink</a>
+  <div class="col-sm-12">
+    <p class="lead" markdown="span">
+      **Apache Flink<sup>®</sup> - Stateful Computations over Data Streams**
+    </p>
   </div>
 
 <div class="col-sm-12">
@@ -15,48 +16,125 @@ layout: base
 
 </div>
 
-
+<!-- High-level architecture figure -->
 
 <div class="row front-graphic">
-  <img src="{{ site.baseurl }}/img/flink-home-graphic-update.svg" width="700px" />
-</div>
-
-<!-- Updates section -->
-
-<div class="row-fluid">
-
-<div class="col-sm-12">
   <hr />
+  <img src="{{ site.baseurl }}/img/flink-home-graphic.png" width="800px" />
 </div>
 
-<div class="col-sm-3">
-
-  <h2>Latest Blog Posts</h2>
+<!-- Feature grid -->
 
+<!--
+<div class="row">
+  <div class="col-sm-12">
+    <hr />
+    <h2><a href="{{ site.baseurl }}/features.html">Features</a></h2>
+  </div>
 </div>
-
-<div class="col-sm-9">
-
-  <dl>
-    {% for post in site.posts limit:5 %}  
-        <dt> <a href="{{ site.baseurl }}{{ post.url }}">{{ post.title }}</a></dt>
-        <dd>{{ post.excerpt }}</dd>
-    {% endfor %}
-  </dl>
-
+-->
+<div class="row">
+  <div class="col-sm-4">
+    <div class="panel panel-default">
+      <div class="panel-heading">
+        <span class="glyphicon glyphicon-th"></span> <b>All streaming use cases</b>
+      </div>
+      <div class="panel-body">
+        <ul style="font-size: small;">
+          <li>Event-driven Applications</li>
+          <li>Stream &amp; Batch Analytics</li>
+          <li>Data Pipelines &amp; ETL</li>
+        </ul>
+        <a href="{{ site.baseurl }}/usecases.html">Learn more</a>
+      </div>
+    </div>
+  </div>
+  <div class="col-sm-4">
+    <div class="panel panel-default">
+      <div class="panel-heading">
+        <span class="glyphicon glyphicon-ok"></span> <b>Guaranteed correctness</b>
+      </div>
+      <div class="panel-body">
+        <ul style="font-size: small;">
+          <li>Exactly-once state consistency</li>
+          <li>Event-time processing</li>
+          <li>Sophisticated late data handling</li>
+        </ul>
+        <a href="{{ site.baseurl }}/flink-applications.html#building-blocks-for-streaming-applications">Learn more</a>
+      </div>
+    </div>
+  </div>
+  <div class="col-sm-4">
+    <div class="panel panel-default">
+      <div class="panel-heading">
+        <span class="glyphicon glyphicon glyphicon-sort-by-attributes"></span> <b>Layered APIs</b>
+      </div>
+      <div class="panel-body">
+        <ul style="font-size: small;">
+          <li>SQL on Stream &amp; Batch Data</li>
+          <li>DataStream API &amp; DataSet API</li>
+          <li>ProcessFunction (Time &amp; State)</li>
+        </ul>
+        <a href="{{ site.baseurl }}/flink-applications.html#layered-apis">Learn more</a>
+      </div>
+    </div>
+  </div>
+</div>
+<div class="row">
+  <div class="col-sm-4">
+    <div class="panel panel-default">
+      <div class="panel-heading">
+        <span class="glyphicon glyphicon-dashboard"></span> <b>Operational Focus</b>
+      </div>
+      <div class="panel-body">
+        <ul style="font-size: small;">
+          <li>Flexible deployment</li>
+          <li>High-availability setup</li>
+          <li>Savepoints</li>
+        </ul>
+        <a href="{{ site.baseurl }}/flink-operations.html">Learn more</a>
+      </div>
+    </div>
+  </div>
+  <div class="col-sm-4">
+    <div class="panel panel-default">
+      <div class="panel-heading">
+        <span class="glyphicon glyphicon-fullscreen"></span> <b>Scales to any use case</b>
+      </div>
+      <div class="panel-body">
+        <ul style="font-size: small;">
+          <li>Scale-out architecture</li>
+          <li>Support for very large state</li>
+          <li>Incremental checkpointing</li>
+        </ul>
+        <a href="{{ site.baseurl }}/flink-architecture.html#run-applications-at-any-scale">Learn more</a>
+      </div>
+    </div>
+  </div>
+  <div class="col-sm-4">
+    <div class="panel panel-default">
+      <div class="panel-heading">
+        <span class="glyphicon glyphicon-flash"></span> <b>Excellent Performance</b>
+      </div>
+      <div class="panel-body">
+        <ul style="font-size: small;">
+          <li>Low latency</li>
+          <li>High throughput</li>
+          <li>In-Memory computing</li>
+        </ul>
+        <a href="{{ site.baseurl }}/flink-architecture.html#leverage-in-memory-performance">Learn more</a>
+      </div>
+    </div>
+  </div>
 </div>
 
 <!-- Powered by section -->
 
-<div class="row-fluid">
+<div class="row">
   <div class="col-sm-12">
-
-
-  <hr />
+    <br />
     <h2><a href="{{ site.baseurl }}/poweredby.html">Powered by Flink</a></h2>
 
-
-
   <div class="jcarousel">
     <ul>
         <li>
@@ -125,6 +203,33 @@ layout: base
 
 </div>
 
+<!-- Updates section -->
+
+<div class="row">
+
+<div class="col-sm-12">
+  <hr />
+</div>
+
+<div class="col-sm-3">
+
+  <h2><a href="{{ site.baseurl }}/blog.html">Latest Blog Posts</a></h2>
+
+</div>
+
+<div class="col-sm-9">
+
+  <dl>
+    {% for post in site.posts limit:5 %}  
+        <dt> <a href="{{ site.baseurl }}{{ post.url }}">{{ post.title }}</a></dt>
+        <dd>{{ post.excerpt }}</dd>
+    {% endfor %}
+  </dl>
+
+</div>
+
+<!-- Scripts section -->
+
 <script type="text/javascript" src="{{ site.baseurl }}/js/jquery.jcarousel.min.js"></script>
 
 <script type="text/javascript">

http://git-wip-us.apache.org/repos/asf/flink-web/blob/cbefc2e9/poweredby.md
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diff --git a/poweredby.md b/poweredby.md
index 01ec913..10a5ad3 100755
--- a/poweredby.md
+++ b/poweredby.md
@@ -6,25 +6,19 @@ title: "Powered by Flink"
 <!--                Powered by Flink
 <!-- --------------------------------------------- -->
 
-----
-<head>
-<style>
-   th, td {
-   padding: 10px;
-   }
-   .height > img {min-height: 137px};
-</style>
-</head>
+<hr />
 
-<p>To demonstrate Flink's capabilities, we've collected a few examples of Flink use cases inside of companies. The <a href="https://cwiki.apache.org/confluence/display/FLINK/Powered+by+Flink" target='_blank'><small><span class="glyphicon glyphicon-new-window"></span></small> Powered by Flink directory</a> has a comprehensive list of companies and organizations using Flink.</p>
+Apache Flink powers business-critical applications in many companies and enterprises around the globe. On this page, we present a few notable Flink users that run interesting use cases in production and link to resources that discuss their applications in more detail.
 
-Would you like to be included on this page? Please reach out to the [Flink user mailing list]({{ site.baseurl }}/community.html#mailing-lists) and let us know.
+More Flink users are listed in the <a href="https://cwiki.apache.org/confluence/display/FLINK/Powered+by+Flink" target='_blank'><small><span class="glyphicon glyphicon-new-window"></span></small> Powered by Flink directory</a> in the project wiki. Please note that the list is *not* comprehensive. We only add users that explicitly ask to be listed.
+
+If you would you like to be included on this page, please reach out to the [Flink user mailing list]({{ site.baseurl }}/community.html#mailing-lists) and let us know.
 
 <div class="row-fluid">
 
    <div class="height col-md-3 col-sm-4 col-xs-6">
       <img src="{{ site.baseurl }}/img/poweredby/alibaba-logo.png" width="175"  alt="Alibaba" /><br />
-      Alibaba, the world's largest retailer, uses a fork of Flink called Blink to optimize search rankings in real time. <br><br><a href="http://data-artisans.com/blink-flink-alibaba-search/" target='_blank'><small><span class="glyphicon glyphicon-new-window"></span></small> Read more about Flink's role at Alibaba</a>
+      Alibaba, the world's largest retailer, uses a fork of Flink called Blink to optimize search rankings in real time. <br><br><a href="https://data-artisans.com/blog/blink-flink-alibaba-search" target='_blank'><small><span class="glyphicon glyphicon-new-window"></span></small> Read more about Flink's role at Alibaba</a>
    </div>
    <div class="height col-md-3 col-sm-4 col-xs-6">
       <img src="{{ site.baseurl }}/img/poweredby/bettercloud-logo.png" width="175"  alt="BetterCloud" /><br />
@@ -36,7 +30,7 @@ Would you like to be included on this page? Please reach out to the [Flink user
    </div>
    <div class="height col-md-3 col-sm-4 col-xs-6">
       <img src="{{ site.baseurl }}/img/poweredby/capital-one-logo.png" width="175"  alt="Capital One" /><br />
-      Capital One, a Fortune 500 financial services company, uses Flink for real-time activity monitoring and alerting. <br><br><a href="http://www.slideshare.net/FlinkForward/flink-case-study-capital-one" target='_blank'><small><span class="glyphicon glyphicon-new-window"></span></small> See Capital One's case study slides</a>
+      Capital One, a Fortune 500 financial services company, uses Flink for real-time activity monitoring and alerting. <br><br><a href="https://www.slideshare.net/FlinkForward/flink-forward-san-francisco-2018-andrew-gao-jeff-sharpe-finding-bad-acorns" target='_blank'><small><span class="glyphicon glyphicon-new-window"></span></small> Learn about Capital One's fraud detection use case</a>
    </div>
    <div class="height col-md-3 col-sm-4 col-xs-6">
       <img src="{{ site.baseurl }}/img/poweredby/dtrb-logo.png" width="175"  alt="Drivetribe" /><br />
@@ -82,7 +76,7 @@ Would you like to be included on this page? Please reach out to the [Flink user
    </div>
    <div class="height col-md-3 col-sm-4 col-xs-6">
    <img src="{{ site.baseurl }}/img/poweredby/zalando-logo.jpg" width="175" alt="Zalando" /><br />
-         Zalando, one of the largest e-commerce companies in Europe, uses Flink for real-time process monitoring and ETL. <br><br><a href="https://tech.zalando.de/blog/apache-showdown-flink-vs.-spark/" target='_blank'><small><span class="glyphicon glyphicon-new-window"></span></small> Read more on the Zalando Tech Blog</a>
+         Zalando, one of the largest e-commerce companies in Europe, uses Flink for real-time process monitoring and ETL. <br><br><a href="https://jobs.zalando.com/tech/blog/complex-event-generation-for-business-process-monitoring-using-apache-flink" target='_blank'><small><span class="glyphicon glyphicon-new-window"></span></small> Read more on the Zalando Tech Blog</a>
 
 
 </div>

http://git-wip-us.apache.org/repos/asf/flink-web/blob/cbefc2e9/usecases.md
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diff --git a/usecases.md b/usecases.md
index cfb5779..fc41c7d 100644
--- a/usecases.md
+++ b/usecases.md
@@ -1,28 +1,105 @@
 ---
-title: "Flink Use Cases"
+title: "Use Cases"
 ---
 
-To demonstrate how Flink can be applied to unbounded datasets, here’s a selection of real-word Flink users and problems they’re solving with Flink.
+<hr />
 
-For more examples, please see the [Powered by Flink]({{ site.baseurl }}/poweredby.html) page.
+Apache Flink is an excellent choice to develop and run many different types of applications due to its extensive features set. Flink's features include support for stream and batch processing, sophisticated state management, event-time processing semantics, and exactly-once consistency guarantees for state. Moreover, Flink can be deployed on various resource providers such as YARN, Apache Mesos, and Kubernetes but also as stand-alone cluster on bare-metal hardware. Configured for high availability, Flink does not have a single point of failure. Flink has been proven to scale to thousands of cores and terabytes of application state, delivers high throughput and low latency, and powers some of the world's most demanding stream processing applications.
 
-+ **Optimization of e-commerce search results in real-time:** Alibaba’s search infrastructure team uses Flink to update product detail and inventory information in real-time, improving relevance for users.
+Below, we explore the most common types of applications that are powered by Flink and give pointers to real-world examples.
 
-+ **Stream processing-as-a-service for data science teams:** King (the creators of Candy Crush Saga) makes real-time analytics available to its data scientists via a Flink-powered internal platform, dramatically shortening the time to insights from game data.
+* <a href="#eventDrivenApps">Event-driven Applications</a>
+* <a href="#analytics">Data Analytics Applications</a>
+* <a href="#pipelines">Data Pipeline Applications</a>
+  
+## Event-driven Applications <a name="eventDrivenApps"></a>
 
-+ **Network / sensor monitoring and error detection:** Bouygues Telecom, one of the largest telecom providers in France, uses Flink to monitor its wired and wireless networks, enabling a rapid response to outages throughout the country.
+### What are event-driven applications?
 
-+ **ETL for business intelligence infrastructure:** Zalando uses Flink to transform data for easier loading into its data warehouse, converting complex payloads into relatively simple ones and ensuring that analytics end users have faster access to data.
+An event-driven application is a stateful application that ingest events from one or more event streams and reacts to incoming events by triggering computations, state updates, or external actions.
 
+Event-driven applications are an evolution of the traditional application design with separated compute and data storage tiers. In this architecture, applications read data from and persist data to a remote transactional database.
 
-We can tease out common threads from these use cases. Based on the examples above, Flink is well-suited for:
+In contrast, event-driven applications are based on stateful stream processing applications. In this design, data and computation are co-located, which yields local (in-memory or disk) data access. Fault-tolerance is achieved by periodically writing checkpoints to a remote persistent storage. The figure below depicts the difference between the traditional application architecture and event-driven applications.
 
-1. **A variety of (sometimes unreliable) data sources:** When data is generated by millions of different users or devices, it’s safe to assume that some events will arrive out of the order they actually occurred--and in the case of more significant upstream failures, some events might come _hours_ later than they’re supposed to. Late data needs to be handled so that results are accurate.
+<br>
+<div class="row front-graphic">
+  <img src="{{ site.baseurl }}/img/usecases-eventdrivenapps.png" width="700px" />
+</div>
 
-2. **Applications with state:** When applications become more complex than simple filtering or enhancing of single data records, managing state within these applications (e.g., counters, windows of past data, state machines, embedded databases) becomes hard. Flink provides tools so that state is efficient, fault-tolerant, and manageable from the outside so you don’t have to build these capabilities yourself.
+### What are the advantages of event-driven applications?
 
-3. **Data that is processed quickly:** There is a focus in these use cases on real-time or near-real-time scenarios, where insights from data should be available at nearly the same moment that the data is generated. Flink is fully capable of meeting these latency requirements when necessary.
+Instead of querying a remote database, event-driven applications access their data locally which yields better performance, both in terms of throughput and latency. The periodic checkpoints to a remote persistent storage can be asynchronously and incrementally done. Hence, the impact of checkpointing on the regular event processing is very small. However, the event-driven application design provides more benefits than just local data access. In the tiered architecture, it is common that multiple applications share the same database. Hence, any change of the database, such as changing the data layout due to an application update or scaling the service, needs to be coordinated. Since each event-driven application is responsible for its own data, changes to the data representation or scaling the application requires less coordination.
 
-4. **Data in large volumes:** These programs would need to be distributed across many nodes (in some cases, thousands) to support the required scale. Flink can run on large clusters just as seamlessly as it runs on small ones.
+### How does Flink support event-driven applications?
+
+The limits of event-driven applications are defined by how well a stream processor can handle time and state. Many of Flink's outstanding features are centered around these concepts. Flink provides a rich set of state primitives that can manage very large data volumes (up to several terabytes) with exactly-once consistency guarantees. Moreover, Flink's support for event-time, highly customizable window logic, and fine-grained control of time as provided by the `ProcessFunction` enable the implementation of advanced business logic. Moreover, Flink features a library for Complex Event Processing (CEP) to detect patterns in data streams. 
+
+However, Flink's outstanding feature for event-driven applications are savepoints. A savepoint a consistent state image that can be used as a starting point for compatible applications. Given a savepoint, an application can be updated or adapt its scale, or multiple versions of an application can be started for A/B testing.
+
+### What are typical event-driven applications?
+
+* <a href="https://sf-2017.flink-forward.org/kb_sessions/streaming-models-how-ing-adds-models-at-runtime-to-catch-fraudsters/">Fraud detection</a>
+* <a href="https://sf-2017.flink-forward.org/kb_sessions/building-a-real-time-anomaly-detection-system-with-flink-mux/">Anomaly detection</a>
+* <a href="https://sf-2017.flink-forward.org/kb_sessions/dynamically-configured-stream-processing-using-flink-kafka/">Rule-based alerting</a> 
+* <a href="https://jobs.zalando.com/tech/blog/complex-event-generation-for-business-process-monitoring-using-apache-flink/">Business process monitoring</a>
+* <a href="https://berlin-2017.flink-forward.org/kb_sessions/drivetribes-kappa-architecture-with-apache-flink/">Web application (social network)</a>
+
+## Data Analytics Applications<a name="analytics"></a>
+
+### What are data analytics applications?
+
+Analytical jobs extract information and insight from raw data. Traditionally, analytics are performed as batch queries or applications on bounded data sets of recorded events. In order to incorporate the latest data into the result of the analysis, it has to be added to the analyzed data set and the query or application is rerun. The results are written to a storage system or emitted as reports.
+
+With a sophisticated stream processing engine, analytics can also be performed in a real-time fashion. Instead of reading finite data sets, streaming queries or applications ingest real-time event streams and continuously produce and update results as events are consumed. The results are either written to an external database or maintained as internal state. Dashboard application can read the latest results from the external database or directly query the internal state of the application.
+
+Apache Flink supports streaming as well as batch analytical applications as shown in the figure below.
+
+<div class="row front-graphic">
+  <img src="{{ site.baseurl }}/img/usecases-analytics.png" width="700px" />
+</div>
+
+### What are the advantages of streaming analytics applications?
+
+The advantages of continuous streaming analytics compared to batch analytics are not limited to a much lower latency from events to insight due to elimination of periodic import and query execution. In contrast to batch queries, streaming queries do not have to deal with artificial boundaries in the input data which are caused by periodic imports and the bounded nature of the input. 
+
+Another aspect is a simpler application architecture. A batch analytics pipeline consist of several independent components to periodically schedule data ingestion and query execution. Reliably operating such a pipeline is non-trivial because failures of one component affect the following steps of the pipeline. In contrast, a streaming analytics application which runs on a sophisticated stream processor like Flink incorporates all steps from data ingestions to continuous result computation. Therefore, it can rely on the engine's failure recovery mechanism.
+
+### How does Flink support data analytics applications?
+
+Flink provides very good support for continuous streaming as well as batch analytics. Specifically, it features an ANSI-compliant SQL interface with unified semantics for batch and streaming queries. SQL queries compute the same result regardless whether they are run on a static data set of recorded events or on a real-time event stream. Rich support for user-defined functions ensures that custom code can be executed in SQL queries. If even more custom logic is required, Flink's DataStream API or DataSet API provide more low-level control. Moreover, Flink's Gelly library provides algorithms and building blocks for large-scale and high-performance graph analytics on batch data sets.
+
+### What are typical data analytics applications?
+
+* <a href="http://2016.flink-forward.org/kb_sessions/a-brief-history-of-time-with-apache-flink-real-time-monitoring-and-analysis-with-flink-kafka-hb/">Quality monitoring of Telco networks</a>
+* <a href="https://techblog.king.com/rbea-scalable-real-time-analytics-king/">Analysis of product updates &amp; experiment evaluation</a> in mobile applications
+* <a href="https://eng.uber.com/athenax/">Ad-hoc analysis of live data</a> in consumer technology
+* Large-scale graph analysis
+
+## Data Pipeline Applications <a name="pipelines"></a>
+
+### What are data pipelines?
+
+Extract-transform-load (ETL) is a common approach to convert and move data between storage systems. Often ETL jobs are periodically triggered to copy data from from transactional database systems to an analytical database or a data warehouse. 
+
+Data pipelines serve a similar purpose as ETL jobs. They transform and enrich data and can move it from one storage system to another. However, they operate in a continuous streaming mode instead of being periodically triggered. Hence, they are able to read records from sources that continuously produce data and move it with low latency to their destination. For example a data pipeline might monitor a file system directory for new files and write their data into an event log. Another application might materialize an event stream to a database or incrementally build and refine a search index.
+
+The figure below depicts the difference between periodic ETL jobs and continuous data pipelines.
+
+<div class="row front-graphic">
+  <img src="{{ site.baseurl }}/img/usecases-datapipelines.png" width="700px" />
+</div>
+
+### What are the advantages of data pipelines?
+
+The obvious advantage of continuous data pipelines over periodic ETL jobs is the reduced latency of moving data to its destination. Moreover, data pipelines are more versatile and can be employed for more use cases because they are able to continuously consume and emit data. 
+
+### How does Flink support data pipelines?
+
+Many common data transformation or enrichment tasks can be addressed by Flink's SQL interface (or Table API) and its support for user-defined functions. Data pipelines with more advanced requirements can be realized by using the DataStream API which is more generic. Flink provides a rich set of connectors to various storage systems such as Kafka, Kinesis, Elasticsearch, and JDBC database systems. It also features continuous sources for file systems that monitor directories and sinks that write files in a time-bucketed fashion.
+
+### What are typical data pipeline applications?
+
+* <a href="https://data-artisans.com/blog/blink-flink-alibaba-search">Real-time search index building</a> in e-commerce
+* <a href="https://jobs.zalando.com/tech/blog/apache-showdown-flink-vs.-spark/">Continuous ETL</a> in e-commerce 
 
-And for more user stories, we recommend the sessions from <a href="http://flink-forward.org/program/sessions/" target="_blank">Flink Forward 2016</a>, the annual Flink user conference.


[04/12] flink-web git commit: Rebuild website

Posted by fh...@apache.org.
http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2015/03/13/peeking-into-Apache-Flinks-Engine-Room.html
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diff --git a/content/news/2015/03/13/peeking-into-Apache-Flinks-Engine-Room.html b/content/news/2015/03/13/peeking-into-Apache-Flinks-Engine-Room.html
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--- a/content/news/2015/03/13/peeking-into-Apache-Flinks-Engine-Room.html
+++ b/content/news/2015/03/13/peeking-into-Apache-Flinks-Engine-Room.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2015/04/07/march-in-flink.html
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diff --git a/content/news/2015/04/07/march-in-flink.html b/content/news/2015/04/07/march-in-flink.html
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--- a/content/news/2015/04/07/march-in-flink.html
+++ b/content/news/2015/04/07/march-in-flink.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2015/04/13/release-0.9.0-milestone1.html
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diff --git a/content/news/2015/04/13/release-0.9.0-milestone1.html b/content/news/2015/04/13/release-0.9.0-milestone1.html
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@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2015/05/11/Juggling-with-Bits-and-Bytes.html
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diff --git a/content/news/2015/05/11/Juggling-with-Bits-and-Bytes.html b/content/news/2015/05/11/Juggling-with-Bits-and-Bytes.html
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+++ b/content/news/2015/05/11/Juggling-with-Bits-and-Bytes.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2015/05/14/Community-update-April.html
----------------------------------------------------------------------
diff --git a/content/news/2015/05/14/Community-update-April.html b/content/news/2015/05/14/Community-update-April.html
index 81284e2..9727903 100644
--- a/content/news/2015/05/14/Community-update-April.html
+++ b/content/news/2015/05/14/Community-update-April.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2015/06/24/announcing-apache-flink-0.9.0-release.html
----------------------------------------------------------------------
diff --git a/content/news/2015/06/24/announcing-apache-flink-0.9.0-release.html b/content/news/2015/06/24/announcing-apache-flink-0.9.0-release.html
index 9e1ce74..e148011 100644
--- a/content/news/2015/06/24/announcing-apache-flink-0.9.0-release.html
+++ b/content/news/2015/06/24/announcing-apache-flink-0.9.0-release.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2015/08/24/introducing-flink-gelly.html
----------------------------------------------------------------------
diff --git a/content/news/2015/08/24/introducing-flink-gelly.html b/content/news/2015/08/24/introducing-flink-gelly.html
index 70e3668..2dc714e 100644
--- a/content/news/2015/08/24/introducing-flink-gelly.html
+++ b/content/news/2015/08/24/introducing-flink-gelly.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2015/09/01/release-0.9.1.html
----------------------------------------------------------------------
diff --git a/content/news/2015/09/01/release-0.9.1.html b/content/news/2015/09/01/release-0.9.1.html
index 24b1f53..559294a 100644
--- a/content/news/2015/09/01/release-0.9.1.html
+++ b/content/news/2015/09/01/release-0.9.1.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2015/09/03/flink-forward.html
----------------------------------------------------------------------
diff --git a/content/news/2015/09/03/flink-forward.html b/content/news/2015/09/03/flink-forward.html
index 03e2aa2..0ea48cd 100644
--- a/content/news/2015/09/03/flink-forward.html
+++ b/content/news/2015/09/03/flink-forward.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2015/09/16/off-heap-memory.html
----------------------------------------------------------------------
diff --git a/content/news/2015/09/16/off-heap-memory.html b/content/news/2015/09/16/off-heap-memory.html
index 271c157..c6f1584 100644
--- a/content/news/2015/09/16/off-heap-memory.html
+++ b/content/news/2015/09/16/off-heap-memory.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2015/11/16/release-0.10.0.html
----------------------------------------------------------------------
diff --git a/content/news/2015/11/16/release-0.10.0.html b/content/news/2015/11/16/release-0.10.0.html
index 91300ca..b5fc70e 100644
--- a/content/news/2015/11/16/release-0.10.0.html
+++ b/content/news/2015/11/16/release-0.10.0.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2015/11/27/release-0.10.1.html
----------------------------------------------------------------------
diff --git a/content/news/2015/11/27/release-0.10.1.html b/content/news/2015/11/27/release-0.10.1.html
index 497af89..2067225 100644
--- a/content/news/2015/11/27/release-0.10.1.html
+++ b/content/news/2015/11/27/release-0.10.1.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2015/12/04/Introducing-windows.html
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diff --git a/content/news/2015/12/04/Introducing-windows.html b/content/news/2015/12/04/Introducing-windows.html
index 3615d2c..629bdc6 100644
--- a/content/news/2015/12/04/Introducing-windows.html
+++ b/content/news/2015/12/04/Introducing-windows.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2015/12/11/storm-compatibility.html
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diff --git a/content/news/2015/12/11/storm-compatibility.html b/content/news/2015/12/11/storm-compatibility.html
index 558d0e9..5d5ad83 100644
--- a/content/news/2015/12/11/storm-compatibility.html
+++ b/content/news/2015/12/11/storm-compatibility.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2015/12/18/a-year-in-review.html
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diff --git a/content/news/2015/12/18/a-year-in-review.html b/content/news/2015/12/18/a-year-in-review.html
index 0b27e75..5a262eb 100644
--- a/content/news/2015/12/18/a-year-in-review.html
+++ b/content/news/2015/12/18/a-year-in-review.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2016/02/11/release-0.10.2.html
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diff --git a/content/news/2016/02/11/release-0.10.2.html b/content/news/2016/02/11/release-0.10.2.html
index 552dfaf..ecf2db4 100644
--- a/content/news/2016/02/11/release-0.10.2.html
+++ b/content/news/2016/02/11/release-0.10.2.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 


[05/12] flink-web git commit: Rebuild website

Posted by fh...@apache.org.
http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/img/function-state.png
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diff --git a/content/img/function-state.png b/content/img/function-state.png
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http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/img/local-state.png
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diff --git a/content/img/local-state.png b/content/img/local-state.png
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Binary files /dev/null and b/content/img/local-state.png differ

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/img/usecases-analytics.png
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diff --git a/content/img/usecases-analytics.png b/content/img/usecases-analytics.png
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http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/img/usecases-datapipelines.png
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diff --git a/content/img/usecases-datapipelines.png b/content/img/usecases-datapipelines.png
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Binary files /dev/null and b/content/img/usecases-datapipelines.png differ

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/img/usecases-eventdrivenapps.png
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diff --git a/content/img/usecases-eventdrivenapps.png b/content/img/usecases-eventdrivenapps.png
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http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/improve-website.html
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diff --git a/content/improve-website.html b/content/improve-website.html
index 3e424c9..4deda15 100644
--- a/content/improve-website.html
+++ b/content/improve-website.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/index.html
----------------------------------------------------------------------
diff --git a/content/index.html b/content/index.html
index 48e8de9..0421691 100644
--- a/content/index.html
+++ b/content/index.html
@@ -5,7 +5,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
-    <title>Apache Flink: Scalable Stream and Batch Data Processing</title>
+    <title>Apache Flink: Stateful Computations over Data Streams</title>
     <link rel="shortcut icon" href="/favicon.ico" type="image/x-icon">
     <link rel="icon" href="/favicon.ico" type="image/x-icon">
 
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li class="active"><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 
@@ -135,9 +137,10 @@
       <div class="col-sm-9">
       <div class="row-fluid">
 
-  <div class="col-sm-10 col-sm-offset-1 homecontent">
-    <p class="lead">Apache Flink® is an open-source stream processing framework for <strong>distributed, high-performing, always-available,</strong> and <strong>accurate</strong> data streaming applications.</p>
-    <a href="/introduction.html" class="btn btn-default btn-intro">Introduction to Flink</a>
+  <div class="col-sm-12">
+    <p class="lead">
+      <strong>Apache Flink<sup>®</sup> - Stateful Computations over Data Streams</strong>
+    </p>
   </div>
 
 <div class="col-sm-12">
@@ -146,66 +149,125 @@
 
 </div>
 
-<div class="row front-graphic">
-  <img src="/img/flink-home-graphic-update.svg" width="700px" />
-</div>
+<!-- High-level architecture figure -->
 
-<!-- Updates section -->
-
-<div class="row-fluid">
-
-<div class="col-sm-12">
+<div class="row front-graphic">
   <hr />
+  <img src="/img/flink-home-graphic.png" width="800px" />
 </div>
 
-<div class="col-sm-3">
-
-  <h2>Latest Blog Posts</h2>
+<!-- Feature grid -->
 
+<!--
+<div class="row">
+  <div class="col-sm-12">
+    <hr />
+    <h2><a href="/features.html">Features</a></h2>
+  </div>
 </div>
-
-<div class="col-sm-9">
-
-  <dl>
-      
-        <dt> <a href="/news/2018/05/25/release-1.5.0.html">Apache Flink 1.5.0 Release Announcement</a></dt>
-        <dd><p>The Apache Flink community is thrilled to announce the 1.5.0 release. Over the past 5 months, the Flink community has been working hard to resolve more than 780 issues. Please check the <a href="https://issues.apache.org/jira/secure/ReleaseNote.jspa?version=12341764&amp;projectId=12315522">complete changelog</a> for more detail.</p>
-
-</dd>
-      
-        <dt> <a href="/news/2018/03/15/release-1.3.3.html">Apache Flink 1.3.3 Released</a></dt>
-        <dd><p>The Apache Flink community released the third bugfix version of the Apache Flink 1.3 series.</p>
-
-</dd>
-      
-        <dt> <a href="/news/2018/03/08/release-1.4.2.html">Apache Flink 1.4.2 Released</a></dt>
-        <dd><p>The Apache Flink community released the second bugfix version of the Apache Flink 1.4 series.</p>
-
-</dd>
-      
-        <dt> <a href="/features/2018/03/01/end-to-end-exactly-once-apache-flink.html">An Overview of End-to-End Exactly-Once Processing in Apache Flink (with Apache Kafka, too!)</a></dt>
-        <dd>Flink 1.4.0 introduced a new feature that makes it possible to build end-to-end exactly-once applications with Flink and data sources and sinks that support transactions.</dd>
-      
-        <dt> <a href="/news/2018/02/15/release-1.4.1.html">Apache Flink 1.4.1 Released</a></dt>
-        <dd><p>The Apache Flink community released the first bugfix version of the Apache Flink 1.4 series.</p>
-
-</dd>
-    
-  </dl>
-
+-->
+<div class="row">
+  <div class="col-sm-4">
+    <div class="panel panel-default">
+      <div class="panel-heading">
+        <span class="glyphicon glyphicon-th"></span> <b>All streaming use cases</b>
+      </div>
+      <div class="panel-body">
+        <ul style="font-size: small;">
+          <li>Event-driven Applications</li>
+          <li>Stream &amp; Batch Analytics</li>
+          <li>Data Pipelines &amp; ETL</li>
+        </ul>
+        <a href="/usecases.html">Learn more</a>
+      </div>
+    </div>
+  </div>
+  <div class="col-sm-4">
+    <div class="panel panel-default">
+      <div class="panel-heading">
+        <span class="glyphicon glyphicon-ok"></span> <b>Guaranteed correctness</b>
+      </div>
+      <div class="panel-body">
+        <ul style="font-size: small;">
+          <li>Exactly-once state consistency</li>
+          <li>Event-time processing</li>
+          <li>Sophisticated late data handling</li>
+        </ul>
+        <a href="/flink-applications.html#building-blocks-for-streaming-applications">Learn more</a>
+      </div>
+    </div>
+  </div>
+  <div class="col-sm-4">
+    <div class="panel panel-default">
+      <div class="panel-heading">
+        <span class="glyphicon glyphicon glyphicon-sort-by-attributes"></span> <b>Layered APIs</b>
+      </div>
+      <div class="panel-body">
+        <ul style="font-size: small;">
+          <li>SQL on Stream &amp; Batch Data</li>
+          <li>DataStream API &amp; DataSet API</li>
+          <li>ProcessFunction (Time &amp; State)</li>
+        </ul>
+        <a href="/flink-applications.html#layered-apis">Learn more</a>
+      </div>
+    </div>
+  </div>
+</div>
+<div class="row">
+  <div class="col-sm-4">
+    <div class="panel panel-default">
+      <div class="panel-heading">
+        <span class="glyphicon glyphicon-dashboard"></span> <b>Operational Focus</b>
+      </div>
+      <div class="panel-body">
+        <ul style="font-size: small;">
+          <li>Flexible deployment</li>
+          <li>High-availability setup</li>
+          <li>Savepoints</li>
+        </ul>
+        <a href="/flink-operations.html">Learn more</a>
+      </div>
+    </div>
+  </div>
+  <div class="col-sm-4">
+    <div class="panel panel-default">
+      <div class="panel-heading">
+        <span class="glyphicon glyphicon-fullscreen"></span> <b>Scales to any use case</b>
+      </div>
+      <div class="panel-body">
+        <ul style="font-size: small;">
+          <li>Scale-out architecture</li>
+          <li>Support for very large state</li>
+          <li>Incremental checkpointing</li>
+        </ul>
+        <a href="/flink-architecture.html#run-applications-at-any-scale">Learn more</a>
+      </div>
+    </div>
+  </div>
+  <div class="col-sm-4">
+    <div class="panel panel-default">
+      <div class="panel-heading">
+        <span class="glyphicon glyphicon-flash"></span> <b>Excellent Performance</b>
+      </div>
+      <div class="panel-body">
+        <ul style="font-size: small;">
+          <li>Low latency</li>
+          <li>High throughput</li>
+          <li>In-Memory computing</li>
+        </ul>
+        <a href="/flink-architecture.html#leverage-in-memory-performance">Learn more</a>
+      </div>
+    </div>
+  </div>
 </div>
 
 <!-- Powered by section -->
 
-<div class="row-fluid">
+<div class="row">
   <div class="col-sm-12">
-
-
-  <hr />
+    <br />
     <h2><a href="/poweredby.html">Powered by Flink</a></h2>
 
-
-
   <div class="jcarousel">
     <ul>
         <li>
@@ -274,6 +336,53 @@
 
 </div>
 
+<!-- Updates section -->
+
+<div class="row">
+
+<div class="col-sm-12">
+  <hr />
+</div>
+
+<div class="col-sm-3">
+
+  <h2><a href="/blog.html">Latest Blog Posts</a></h2>
+
+</div>
+
+<div class="col-sm-9">
+
+  <dl>
+      
+        <dt> <a href="/news/2018/05/25/release-1.5.0.html">Apache Flink 1.5.0 Release Announcement</a></dt>
+        <dd><p>The Apache Flink community is thrilled to announce the 1.5.0 release. Over the past 5 months, the Flink community has been working hard to resolve more than 780 issues. Please check the <a href="https://issues.apache.org/jira/secure/ReleaseNote.jspa?version=12341764&amp;projectId=12315522">complete changelog</a> for more detail.</p>
+
+</dd>
+      
+        <dt> <a href="/news/2018/03/15/release-1.3.3.html">Apache Flink 1.3.3 Released</a></dt>
+        <dd><p>The Apache Flink community released the third bugfix version of the Apache Flink 1.3 series.</p>
+
+</dd>
+      
+        <dt> <a href="/news/2018/03/08/release-1.4.2.html">Apache Flink 1.4.2 Released</a></dt>
+        <dd><p>The Apache Flink community released the second bugfix version of the Apache Flink 1.4 series.</p>
+
+</dd>
+      
+        <dt> <a href="/features/2018/03/01/end-to-end-exactly-once-apache-flink.html">An Overview of End-to-End Exactly-Once Processing in Apache Flink (with Apache Kafka, too!)</a></dt>
+        <dd>Flink 1.4.0 introduced a new feature that makes it possible to build end-to-end exactly-once applications with Flink and data sources and sinks that support transactions.</dd>
+      
+        <dt> <a href="/news/2018/02/15/release-1.4.1.html">Apache Flink 1.4.1 Released</a></dt>
+        <dd><p>The Apache Flink community released the first bugfix version of the Apache Flink 1.4 series.</p>
+
+</dd>
+    
+  </dl>
+
+</div>
+
+<!-- Scripts section -->
+
 <script type="text/javascript" src="/js/jquery.jcarousel.min.js"></script>
 
 <script type="text/javascript">

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/introduction.html
----------------------------------------------------------------------
diff --git a/content/introduction.html b/content/introduction.html
index 0b4acc6..3d605f4 100644
--- a/content/introduction.html
+++ b/content/introduction.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li class="active"><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/material.html
----------------------------------------------------------------------
diff --git a/content/material.html b/content/material.html
index bc81f6b..c297c4c 100644
--- a/content/material.html
+++ b/content/material.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2014/08/26/release-0.6.html
----------------------------------------------------------------------
diff --git a/content/news/2014/08/26/release-0.6.html b/content/news/2014/08/26/release-0.6.html
index 8ea9338..35b0ad6 100644
--- a/content/news/2014/08/26/release-0.6.html
+++ b/content/news/2014/08/26/release-0.6.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2014/09/26/release-0.6.1.html
----------------------------------------------------------------------
diff --git a/content/news/2014/09/26/release-0.6.1.html b/content/news/2014/09/26/release-0.6.1.html
index b32f59d..95b9b23 100644
--- a/content/news/2014/09/26/release-0.6.1.html
+++ b/content/news/2014/09/26/release-0.6.1.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2014/10/03/upcoming_events.html
----------------------------------------------------------------------
diff --git a/content/news/2014/10/03/upcoming_events.html b/content/news/2014/10/03/upcoming_events.html
index c8218ba..c199313 100644
--- a/content/news/2014/10/03/upcoming_events.html
+++ b/content/news/2014/10/03/upcoming_events.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2014/11/04/release-0.7.0.html
----------------------------------------------------------------------
diff --git a/content/news/2014/11/04/release-0.7.0.html b/content/news/2014/11/04/release-0.7.0.html
index 2d7c981..709112d 100644
--- a/content/news/2014/11/04/release-0.7.0.html
+++ b/content/news/2014/11/04/release-0.7.0.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2014/11/18/hadoop-compatibility.html
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diff --git a/content/news/2014/11/18/hadoop-compatibility.html b/content/news/2014/11/18/hadoop-compatibility.html
index 415e7b1..e985715 100644
--- a/content/news/2014/11/18/hadoop-compatibility.html
+++ b/content/news/2014/11/18/hadoop-compatibility.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2015/01/06/december-in-flink.html
----------------------------------------------------------------------
diff --git a/content/news/2015/01/06/december-in-flink.html b/content/news/2015/01/06/december-in-flink.html
index 7abb433..76cacca 100644
--- a/content/news/2015/01/06/december-in-flink.html
+++ b/content/news/2015/01/06/december-in-flink.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2015/01/21/release-0.8.html
----------------------------------------------------------------------
diff --git a/content/news/2015/01/21/release-0.8.html b/content/news/2015/01/21/release-0.8.html
index f286175..0c80fd1 100644
--- a/content/news/2015/01/21/release-0.8.html
+++ b/content/news/2015/01/21/release-0.8.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2015/02/04/january-in-flink.html
----------------------------------------------------------------------
diff --git a/content/news/2015/02/04/january-in-flink.html b/content/news/2015/02/04/january-in-flink.html
index 3102a8e..0b68263 100644
--- a/content/news/2015/02/04/january-in-flink.html
+++ b/content/news/2015/02/04/january-in-flink.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2015/02/09/streaming-example.html
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diff --git a/content/news/2015/02/09/streaming-example.html b/content/news/2015/02/09/streaming-example.html
index 5b07c36..33ed651 100644
--- a/content/news/2015/02/09/streaming-example.html
+++ b/content/news/2015/02/09/streaming-example.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2015/03/02/february-2015-in-flink.html
----------------------------------------------------------------------
diff --git a/content/news/2015/03/02/february-2015-in-flink.html b/content/news/2015/03/02/february-2015-in-flink.html
index c56c192..b78c9c4 100644
--- a/content/news/2015/03/02/february-2015-in-flink.html
+++ b/content/news/2015/03/02/february-2015-in-flink.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 


[06/12] flink-web git commit: Rebuild website

Posted by fh...@apache.org.
http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/img/flink-home-graphic-update.svg
----------------------------------------------------------------------
diff --git a/content/img/flink-home-graphic-update.svg b/content/img/flink-home-graphic-update.svg
deleted file mode 100644
index 8d91eb0..0000000
--- a/content/img/flink-home-graphic-update.svg
+++ /dev/null
@@ -1,4 +0,0 @@
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<TRUNCATED>
http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/img/flink-home-graphic.png
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diff --git a/content/img/flink-home-graphic.png b/content/img/flink-home-graphic.png
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[11/12] flink-web git commit: [FLINK-9522] Restructure Flink website

Posted by fh...@apache.org.
http://git-wip-us.apache.org/repos/asf/flink-web/blob/cbefc2e9/img/flink-home-graphic-update.svg
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diff --git a/img/flink-home-graphic-update.svg b/img/flink-home-graphic-update.svg
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<TRUNCATED>
http://git-wip-us.apache.org/repos/asf/flink-web/blob/cbefc2e9/img/flink-home-graphic.png
----------------------------------------------------------------------
diff --git a/img/flink-home-graphic.png b/img/flink-home-graphic.png
new file mode 100644
index 0000000..b502d15
Binary files /dev/null and b/img/flink-home-graphic.png differ


[02/12] flink-web git commit: Rebuild website

Posted by fh...@apache.org.
http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2017/03/29/table-sql-api-update.html
----------------------------------------------------------------------
diff --git a/content/news/2017/03/29/table-sql-api-update.html b/content/news/2017/03/29/table-sql-api-update.html
index 458a636..b5505cb 100644
--- a/content/news/2017/03/29/table-sql-api-update.html
+++ b/content/news/2017/03/29/table-sql-api-update.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2017/04/04/dynamic-tables.html
----------------------------------------------------------------------
diff --git a/content/news/2017/04/04/dynamic-tables.html b/content/news/2017/04/04/dynamic-tables.html
index 7975677..e9bed79 100644
--- a/content/news/2017/04/04/dynamic-tables.html
+++ b/content/news/2017/04/04/dynamic-tables.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2017/04/26/release-1.2.1.html
----------------------------------------------------------------------
diff --git a/content/news/2017/04/26/release-1.2.1.html b/content/news/2017/04/26/release-1.2.1.html
index cc5506c..6171fb8 100644
--- a/content/news/2017/04/26/release-1.2.1.html
+++ b/content/news/2017/04/26/release-1.2.1.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2017/05/16/official-docker-image.html
----------------------------------------------------------------------
diff --git a/content/news/2017/05/16/official-docker-image.html b/content/news/2017/05/16/official-docker-image.html
index e01b029..c96a6bf 100644
--- a/content/news/2017/05/16/official-docker-image.html
+++ b/content/news/2017/05/16/official-docker-image.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2017/06/01/release-1.3.0.html
----------------------------------------------------------------------
diff --git a/content/news/2017/06/01/release-1.3.0.html b/content/news/2017/06/01/release-1.3.0.html
index 6b2abd9..ed2b9e7 100644
--- a/content/news/2017/06/01/release-1.3.0.html
+++ b/content/news/2017/06/01/release-1.3.0.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2017/06/23/release-1.3.1.html
----------------------------------------------------------------------
diff --git a/content/news/2017/06/23/release-1.3.1.html b/content/news/2017/06/23/release-1.3.1.html
index db1352e..92b0b46 100644
--- a/content/news/2017/06/23/release-1.3.1.html
+++ b/content/news/2017/06/23/release-1.3.1.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2017/08/05/release-1.3.2.html
----------------------------------------------------------------------
diff --git a/content/news/2017/08/05/release-1.3.2.html b/content/news/2017/08/05/release-1.3.2.html
index 737f871..7a575e5 100644
--- a/content/news/2017/08/05/release-1.3.2.html
+++ b/content/news/2017/08/05/release-1.3.2.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2017/11/22/release-1.4-and-1.5-timeline.html
----------------------------------------------------------------------
diff --git a/content/news/2017/11/22/release-1.4-and-1.5-timeline.html b/content/news/2017/11/22/release-1.4-and-1.5-timeline.html
index 73aeea6..4436d1e 100644
--- a/content/news/2017/11/22/release-1.4-and-1.5-timeline.html
+++ b/content/news/2017/11/22/release-1.4-and-1.5-timeline.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2017/12/12/release-1.4.0.html
----------------------------------------------------------------------
diff --git a/content/news/2017/12/12/release-1.4.0.html b/content/news/2017/12/12/release-1.4.0.html
index 5755a32..ff20c08 100644
--- a/content/news/2017/12/12/release-1.4.0.html
+++ b/content/news/2017/12/12/release-1.4.0.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2017/12/21/2017-year-in-review.html
----------------------------------------------------------------------
diff --git a/content/news/2017/12/21/2017-year-in-review.html b/content/news/2017/12/21/2017-year-in-review.html
index 37f66ce..7fed178 100644
--- a/content/news/2017/12/21/2017-year-in-review.html
+++ b/content/news/2017/12/21/2017-year-in-review.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2018/02/15/release-1.4.1.html
----------------------------------------------------------------------
diff --git a/content/news/2018/02/15/release-1.4.1.html b/content/news/2018/02/15/release-1.4.1.html
index cd406c9..6c4a54e 100644
--- a/content/news/2018/02/15/release-1.4.1.html
+++ b/content/news/2018/02/15/release-1.4.1.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2018/03/08/release-1.4.2.html
----------------------------------------------------------------------
diff --git a/content/news/2018/03/08/release-1.4.2.html b/content/news/2018/03/08/release-1.4.2.html
index 548b81a..c3f7ca3 100644
--- a/content/news/2018/03/08/release-1.4.2.html
+++ b/content/news/2018/03/08/release-1.4.2.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2018/03/15/release-1.3.3.html
----------------------------------------------------------------------
diff --git a/content/news/2018/03/15/release-1.3.3.html b/content/news/2018/03/15/release-1.3.3.html
index 6709909..b7d4a93 100644
--- a/content/news/2018/03/15/release-1.3.3.html
+++ b/content/news/2018/03/15/release-1.3.3.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2018/05/25/release-1.5.0.html
----------------------------------------------------------------------
diff --git a/content/news/2018/05/25/release-1.5.0.html b/content/news/2018/05/25/release-1.5.0.html
index 239e4c6..bffe5c6 100644
--- a/content/news/2018/05/25/release-1.5.0.html
+++ b/content/news/2018/05/25/release-1.5.0.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/poweredby.html
----------------------------------------------------------------------
diff --git a/content/poweredby.html b/content/poweredby.html
index f7d05b0..491b74a 100644
--- a/content/poweredby.html
+++ b/content/poweredby.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li class="active"><a href="/poweredby.html">Powered by Flink</a></li>
+            <li class="active"><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
+
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
-            <hr />
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
 
+            &nbsp;
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            <!-- Third menu section aim to support community and contributors -->
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 
@@ -142,24 +144,18 @@
 <!-- --------------------------------------------- -->
 
 <hr />
-<head>
-<style>
-   th, td {
-   padding: 10px;
-   }
-   .height > img {min-height: 137px};
-</style>
-</head>
 
-<p>To demonstrate Flink's capabilities, we've collected a few examples of Flink use cases inside of companies. The <a href="https://cwiki.apache.org/confluence/display/FLINK/Powered+by+Flink" target="_blank"><small><span class="glyphicon glyphicon-new-window"></span></small> Powered by Flink directory</a> has a comprehensive list of companies and organizations using Flink.</p>
+<p>Apache Flink powers business-critical applications in many companies and enterprises around the globe. On this page, we present a few notable Flink users that run interesting use cases in production and link to resources that discuss their applications in more detail.</p>
+
+<p>More Flink users are listed in the <a href="https://cwiki.apache.org/confluence/display/FLINK/Powered+by+Flink" target="_blank"><small><span class="glyphicon glyphicon-new-window"></span></small> Powered by Flink directory</a> in the project wiki. Please note that the list is <em>not</em> comprehensive. We only add users that explicitly ask to be listed.</p>
 
-<p>Would you like to be included on this page? Please reach out to the <a href="/community.html#mailing-lists">Flink user mailing list</a> and let us know.</p>
+<p>If you would you like to be included on this page, please reach out to the <a href="/community.html#mailing-lists">Flink user mailing list</a> and let us know.</p>
 
 <div class="row-fluid">
 
    <div class="height col-md-3 col-sm-4 col-xs-6">
       <img src="/img/poweredby/alibaba-logo.png" width="175" alt="Alibaba" /><br />
-      Alibaba, the world's largest retailer, uses a fork of Flink called Blink to optimize search rankings in real time. <br /><br /><a href="http://data-artisans.com/blink-flink-alibaba-search/" target="_blank"><small><span class="glyphicon glyphicon-new-window"></span></small> Read more about Flink's role at Alibaba</a>
+      Alibaba, the world's largest retailer, uses a fork of Flink called Blink to optimize search rankings in real time. <br /><br /><a href="https://data-artisans.com/blog/blink-flink-alibaba-search" target="_blank"><small><span class="glyphicon glyphicon-new-window"></span></small> Read more about Flink's role at Alibaba</a>
    </div>
    <div class="height col-md-3 col-sm-4 col-xs-6">
       <img src="/img/poweredby/bettercloud-logo.png" width="175" alt="BetterCloud" /><br />
@@ -171,7 +167,7 @@
    </div>
    <div class="height col-md-3 col-sm-4 col-xs-6">
       <img src="/img/poweredby/capital-one-logo.png" width="175" alt="Capital One" /><br />
-      Capital One, a Fortune 500 financial services company, uses Flink for real-time activity monitoring and alerting. <br /><br /><a href="http://www.slideshare.net/FlinkForward/flink-case-study-capital-one" target="_blank"><small><span class="glyphicon glyphicon-new-window"></span></small> See Capital One's case study slides</a>
+      Capital One, a Fortune 500 financial services company, uses Flink for real-time activity monitoring and alerting. <br /><br /><a href="https://www.slideshare.net/FlinkForward/flink-forward-san-francisco-2018-andrew-gao-jeff-sharpe-finding-bad-acorns" target="_blank"><small><span class="glyphicon glyphicon-new-window"></span></small> Learn about Capital One's fraud detection use case</a>
    </div>
    <div class="height col-md-3 col-sm-4 col-xs-6">
       <img src="/img/poweredby/dtrb-logo.png" width="175" alt="Drivetribe" /><br />
@@ -217,7 +213,7 @@
    </div>
 <div class="height col-md-3 col-sm-4 col-xs-6">
    <img src="/img/poweredby/zalando-logo.jpg" width="175" alt="Zalando" /><br />
-         Zalando, one of the largest e-commerce companies in Europe, uses Flink for real-time process monitoring and ETL. <br /><br /><a href="https://tech.zalando.de/blog/apache-showdown-flink-vs.-spark/" target="_blank"><small><span class="glyphicon glyphicon-new-window"></span></small> Read more on the Zalando Tech Blog</a>
+         Zalando, one of the largest e-commerce companies in Europe, uses Flink for real-time process monitoring and ETL. <br /><br /><a href="https://jobs.zalando.com/tech/blog/complex-event-generation-for-business-process-monitoring-using-apache-flink" target="_blank"><small><span class="glyphicon glyphicon-new-window"></span></small> Read more on the Zalando Tech Blog</a>
 
 
 </div>


[07/12] flink-web git commit: Rebuild website

Posted by fh...@apache.org.
http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/flink-applications.html
----------------------------------------------------------------------
diff --git a/content/flink-applications.html b/content/flink-applications.html
new file mode 100644
index 0000000..70525bf
--- /dev/null
+++ b/content/flink-applications.html
@@ -0,0 +1,385 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
+    <title>Apache Flink: What is Apache Flink?</title>
+    <link rel="shortcut icon" href="/favicon.ico" type="image/x-icon">
+    <link rel="icon" href="/favicon.ico" type="image/x-icon">
+
+    <!-- Bootstrap -->
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
+    <link rel="stylesheet" href="/css/flink.css">
+    <link rel="stylesheet" href="/css/syntax.css">
+
+    <!-- Blog RSS feed -->
+    <link href="/blog/feed.xml" rel="alternate" type="application/rss+xml" title="Apache Flink Blog: RSS feed" />
+
+    <!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
+    <!-- We need to load Jquery in the header for custom google analytics event tracking-->
+    <script src="/js/jquery.min.js"></script>
+
+    <!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
+    <!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
+    <!--[if lt IE 9]>
+      <script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
+      <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
+    <![endif]-->
+  </head>
+  <body>  
+    
+
+    <!-- Main content. -->
+    <div class="container">
+    <div class="row">
+
+      
+     <div id="sidebar" class="col-sm-3">
+          <!-- Top navbar. -->
+    <nav class="navbar navbar-default">
+        <!-- The logo. -->
+        <div class="navbar-header">
+          <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+          </button>
+          <div class="navbar-logo">
+            <a href="/">
+              <img alt="Apache Flink" src="/img/flink-header-logo.svg" width="147px" height="73px">
+            </a>
+          </div>
+        </div><!-- /.navbar-header -->
+
+        <!-- The navigation links. -->
+        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
+          <ul class="nav navbar-nav navbar-main">
+
+            <!-- First menu section explains visitors what Flink is -->
+
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
+
+            <!-- What is Flink? -->
+            <li class="active"><a href="/flink-architecture.html">What is Apache Flink?</a></li>
+
+            <!-- Use cases -->
+            <li><a href="/usecases.html">Use Cases</a></li>
+
+            <!-- Powered by -->
+            <li><a href="/poweredby.html">Powered By</a></li>
+
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
+
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
+
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
+
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
+
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
+
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
+
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
+
+            &nbsp;
+
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+
+            <!-- GitHub -->
+            <li>
+              <a href="https://github.com/apache/flink" target="_blank">Flink on GitHub <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
+
+          </ul>
+
+
+          <ul class="nav navbar-nav navbar-bottom">
+          <hr />
+
+            <!-- Twitter -->
+            <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+
+            <!-- Visualizer -->
+            <li class=" hidden-md hidden-sm"><a href="/visualizer/" target="_blank">Plan Visualizer <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+
+          </ul>
+        </div><!-- /.navbar-collapse -->
+    </nav>
+
+      </div>
+      <div class="col-sm-9">
+      <div class="row-fluid">
+  <div class="col-sm-12">
+    <h1>What is Apache Flink?</h1>
+
+	<hr />
+
+<div class="row">
+  <div class="col-sm-12" style="background-color: #f8f8f8;">
+    <h2>
+      <a href="/flink-architecture.html">Architecture</a> &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      Applications &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      <a href="/flink-operations.html">Operations</a>
+    </h2>
+  </div>
+</div>
+<hr />
+
+<p>Apache Flink is a framework for stateful computations over unbounded and bounded data streams. Flink provides multiple APIs at different levels of abstraction and offers dedicated libraries for common use cases.</p>
+
+<p>Here, we present Flink’s easy-to-use and expressive APIs and libraries.</p>
+
+<h2 id="building-blocks-for-streaming-applications">Building Blocks for Streaming Applications</h2>
+
+<p>The types of applications that can be built with and executed by a stream processing framework are defined by how well the framework controls <em>streams</em>, <em>state</em>, and <em>time</em>. In the following, we describe these building blocks for stream processing applications and explain Flink’s approaches to handle them.</p>
+
+<h3 id="streams">Streams</h3>
+
+<p>Obviously, streams are a fundamental aspect of stream processing. However, streams can have different characteristics that affect how a stream can and should be processed. Flink is a versatile processing framework that can handle any kind of stream.</p>
+
+<ul>
+  <li><strong>Bounded</strong> and <strong>unbounded</strong> streams: Streams can be unbounded or bounded, i.e., fixed-sized data sets. Flink has sophisticated features to process unbounded streams, but also dedicated operators to efficiently process bounded streams.</li>
+  <li><strong>Real-time</strong> and <strong>recorded</strong> streams: All data are generated as streams. There are two ways to process the data. Processing it in real-time as it is generated or persisting the stream to a storage system, e.g., a file system or object store, and processed it later. Flink applications can process recorded or real-time streams.</li>
+</ul>
+
+<h3 id="state">State</h3>
+
+<p>Every non-trivial streaming application is stateful, i.e., only applications that apply transformations on individual events do not require state. Any application that runs basic business logic needs to remember events or intermediate results to access them at a later point in time, for example when the next event is received or after a specific time duration.</p>
+
+<div class="row front-graphic">
+  <img src="/img/function-state.png" width="350px" />
+</div>
+
+<p>Application state is a first-class citizen in Flink. You can see that by looking at all the features that Flink provides in the context of state handling.</p>
+
+<ul>
+  <li><strong>Multiple State Primitives</strong>: Flink provides state primitives for different data structures, such as atomic values, lists, or maps. Developers can choose the state primitive that is most efficient based on the access pattern of the function.</li>
+  <li><strong>Pluggable State Backends</strong>: Application state is managed in and checkpointed by a pluggable state backend. Flink features different state backends that store state in memory or in <a href="https://rocksdb.org/">RocksDB</a>, an efficient embedded on-disk data store. Custom state backends can be plugged in as well.</li>
+  <li><strong>Exactly-once state consistency</strong>: Flink’s checkpointing and recovery algorithms guarantee the consistency of application state in case of a failure. Hence, failures are transparently handled and do not affect the correctness of an application.</li>
+  <li><strong>Very Large State</strong>: Flink is able to maintain application state of several terabytes in size due to its asynchronous and incremental checkpoint algorithm.</li>
+  <li><strong>Scalable Applications</strong>: Flink supports scaling of stateful applications by redistributing the state to more or fewer workers.</li>
+</ul>
+
+<h3 id="time">Time</h3>
+
+<p>Time is another important ingredient of streaming applications. Most event streams have inherent time semantics because each event is produced at a specific point in time. Moreover, many common stream computations are based on time, such as windows aggregations, sessionization, pattern detection, and time-based joins. An important aspect of stream processing is how an application measures time, i.e., the difference of event-time and processing-time.</p>
+
+<p>Flink provides a rich set of time-related features.</p>
+
+<ul>
+  <li><strong>Event-time Mode</strong>: Applications that process streams with event-time semantics compute results based on timestamps of the events. Thereby, event-time processing allows for accurate and consistent results regardless whether recorded or real-time events are processed.</li>
+  <li><strong>Watermark Support</strong>: Flink employs watermarks to reason about time in event-time applications. Watermarks are also a flexible mechanism to trade-off the latency and completeness of results.</li>
+  <li><strong>Late Data Handling</strong>: When processing streams in event-time mode with watermarks, it can happen that a computation has been completed before all associated events have arrived. Such events are called late events. Flink features multiple options to handle late events, such as rerouting them via side outputs and updating previously completed results.</li>
+  <li><strong>Processing-time Mode</strong>: In addition to its event-time mode, Flink also supports processing-time semantics which performs computations as triggered by the wall-clock time of the processing machine. The processing-time mode can be suitable for certain applications with strict low-latency requirements that can tolerate approximate results.</li>
+</ul>
+
+<h2 id="layered-apis">Layered APIs</h2>
+
+<p>Flink provides three layered APIs. Each API offers a different trade-off between conciseness and expressiveness and targets different use cases.</p>
+
+<div class="row front-graphic">
+  <img src="/img/api-stack.png" width="500px" />
+</div>
+
+<p>We briefly present each API, discuss its applications, and show a code example.</p>
+
+<h3 id="the-processfunctions">The ProcessFunctions</h3>
+
+<p><a href="https://ci.apache.org/projects/flink/flink-docs-stable/dev/stream/operators/process_function.html">ProcessFunctions</a> are the most expressive function interfaces that Flink offers. Flink provides ProcessFunctions to process individual events from one or two input streams or events that were grouped in a window. ProcessFunctions provide fine-grained control over time and state. A ProcessFunction can arbitrarily modify its state and register timers that will trigger a callback function in the future. Hence, ProcessFunctions can implement complex per-event business logic as required for many <a href="/usecases.html#eventDrivenApps">stateful event-driven applications</a>.</p>
+
+<p>The following example shows a <code>KeyedProcessFunction</code> that operates on a <code>KeyedStream</code> and matches <code>START</code> and <code>END</code> events. When a <code>START</code> event is received, the function remembers its timestamp in state and registers a timer in four hours. If an <code>END</code> event is received before the timer fires, the function computes the duration between <code>END</code> and <code>START</code> event, clears the state, and returns the value. Otherwise, the timer just fires and clears the state.</p>
+
+<div class="highlight"><pre><code class="language-java" data-lang="java"><span class="cm">/**</span>
+<span class="cm"> * Matches keyed START and END events and computes the difference between </span>
+<span class="cm"> * both elements&#39; timestamps. The first String field is the key attribute, </span>
+<span class="cm"> * the second String attribute marks START and END events.</span>
+<span class="cm"> */</span>
+<span class="kd">public</span> <span class="kd">static</span> <span class="kd">class</span> <span class="nc">StartEndDuration</span>
+    <span class="kd">extends</span> <span class="n">KeyedProcessFunction</span><span class="o">&lt;</span><span class="n">String</span><span class="o">,</span> <span class="n">Tuple2</span><span class="o">&lt;</span><span class="n">String</span><span class="o">,</span> <span class="n">String</span><span class="o">&gt;,</span> <span class="n">Tuple2</span><span class="o">&lt;</span><span class="n">String</span><span class="o">,</span> <span class="n">Long</span><span class="o">&gt;&gt;</span> <span class="o">{</span>
+
+  <span class="kd">private</span> <span class="n">ValueState</span><span class="o">&lt;</span><span class="n">Long</span><span class="o">&gt;</span> <span class="n">startTime</span><span class="o">;</span>
+
+  <span class="nd">@Override</span>
+  <span class="kd">public</span> <span class="kt">void</span> <span class="nf">open</span><span class="o">(</span><span class="n">Configuration</span> <span class="n">conf</span><span class="o">)</span> <span class="o">{</span>
+    <span class="c1">// obtain state handle</span>
+    <span class="n">startTime</span> <span class="o">=</span> <span class="n">getRuntimeContext</span><span class="o">()</span>
+      <span class="o">.</span><span class="na">getState</span><span class="o">(</span><span class="k">new</span> <span class="n">ValueStateDescriptor</span><span class="o">&lt;</span><span class="n">Long</span><span class="o">&gt;(</span><span class="s">&quot;startTime&quot;</span><span class="o">,</span> <span class="n">Long</span><span class="o">.</span><span class="na">class</span><span class="o">));</span>
+  <span class="o">}</span>
+
+  <span class="cm">/** Called for each processed event. */</span>
+  <span class="nd">@Override</span>
+  <span class="kd">public</span> <span class="kt">void</span> <span class="nf">processElement</span><span class="o">(</span>
+      <span class="n">Tuple2</span><span class="o">&lt;</span><span class="n">String</span><span class="o">,</span> <span class="n">String</span><span class="o">&gt;</span> <span class="n">in</span><span class="o">,</span>
+      <span class="n">Context</span> <span class="n">ctx</span><span class="o">,</span>
+      <span class="n">Collector</span><span class="o">&lt;</span><span class="n">Tuple2</span><span class="o">&lt;</span><span class="n">String</span><span class="o">,</span> <span class="n">Long</span><span class="o">&gt;&gt;</span> <span class="n">out</span><span class="o">)</span> <span class="kd">throws</span> <span class="n">Exception</span> <span class="o">{</span>
+
+    <span class="k">switch</span> <span class="o">(</span><span class="n">in</span><span class="o">.</span><span class="na">f1</span><span class="o">)</span> <span class="o">{</span>
+      <span class="k">case</span> <span class="s">&quot;START&quot;</span><span class="o">:</span>
+        <span class="c1">// set the start time if we receive a start event.</span>
+        <span class="n">startTime</span><span class="o">.</span><span class="na">update</span><span class="o">(</span><span class="n">ctx</span><span class="o">.</span><span class="na">timestamp</span><span class="o">());</span>
+        <span class="c1">// register a timer in four hours from the start event.</span>
+        <span class="n">ctx</span><span class="o">.</span><span class="na">timerService</span><span class="o">()</span>
+          <span class="o">.</span><span class="na">registerEventTimeTimer</span><span class="o">(</span><span class="n">ctx</span><span class="o">.</span><span class="na">timestamp</span><span class="o">()</span> <span class="o">+</span> <span class="mi">4</span> <span class="o">*</span> <span class="mi">60</span> <span class="o">*</span> <span class="mi">60</span> <span class="o">*</span> <span class="mi">1000</span><span class="o">);</span>
+        <span class="k">break</span><span class="o">;</span>
+      <span class="k">case</span> <span class="s">&quot;END&quot;</span><span class="o">:</span>
+        <span class="c1">// emit the duration between start and end event</span>
+        <span class="n">Long</span> <span class="n">sTime</span> <span class="o">=</span> <span class="n">startTime</span><span class="o">.</span><span class="na">value</span><span class="o">();</span>
+        <span class="k">if</span> <span class="o">(</span><span class="n">sTime</span> <span class="o">!=</span> <span class="kc">null</span><span class="o">)</span> <span class="o">{</span>
+          <span class="n">out</span><span class="o">.</span><span class="na">collect</span><span class="o">(</span><span class="n">Tuple2</span><span class="o">.</span><span class="na">of</span><span class="o">(</span><span class="n">in</span><span class="o">.</span><span class="na">f0</span><span class="o">,</span> <span class="n">ctx</span><span class="o">.</span><span class="na">timestamp</span><span class="o">()</span> <span class="o">-</span> <span class="n">sTime</span><span class="o">));</span>
+          <span class="c1">// clear the state</span>
+          <span class="n">startTime</span><span class="o">.</span><span class="na">clear</span><span class="o">();</span>
+        <span class="o">}</span>
+      <span class="k">default</span><span class="o">:</span>
+        <span class="c1">// do nothing</span>
+    <span class="o">}</span>
+  <span class="o">}</span>
+
+  <span class="cm">/** Called when a timer fires. */</span>
+  <span class="nd">@Override</span>
+  <span class="kd">public</span> <span class="kt">void</span> <span class="nf">onTimer</span><span class="o">(</span>
+      <span class="kt">long</span> <span class="n">timestamp</span><span class="o">,</span>
+      <span class="n">OnTimerContext</span> <span class="n">ctx</span><span class="o">,</span>
+      <span class="n">Collector</span><span class="o">&lt;</span><span class="n">Tuple2</span><span class="o">&lt;</span><span class="n">String</span><span class="o">,</span> <span class="n">Long</span><span class="o">&gt;&gt;</span> <span class="n">out</span><span class="o">)</span> <span class="o">{</span>
+
+    <span class="c1">// Timeout interval exceeded. Cleaning up the state.</span>
+    <span class="n">startTime</span><span class="o">.</span><span class="na">clear</span><span class="o">();</span>
+  <span class="o">}</span>
+<span class="o">}</span></code></pre></div>
+
+<p>The example illustrates the expressive power of the <code>KeyedProcessFunction</code> but also highlights that it is a rather verbose interface.</p>
+
+<h3 id="the-datastream-api">The DataStream API</h3>
+
+<p>The <a href="https://ci.apache.org/projects/flink/flink-docs-stable/dev/datastream_api.html">DataStream API</a> provides primitives for many common stream processing operations, such as windowing, record-at-a-time transformations, and enriching events by querying an external data store. The DataStream API is available for Java and Scala and is based on functions, such as <code>map()</code>, <code>reduce()</code>, and <code>aggregate()</code>. Functions can be defined by extending interfaces or as Java or Scala lambda functions.</p>
+
+<p>The following example shows how to sessionize a clickstream and count the number of clicks per session.</p>
+
+<div class="highlight"><pre><code class="language-java" data-lang="java"><span class="c1">// a stream of website clicks</span>
+<span class="n">DataStream</span><span class="o">&lt;</span><span class="n">Click</span><span class="o">&gt;</span> <span class="n">clicks</span> <span class="o">=</span> <span class="o">...</span>
+
+<span class="n">DataStream</span><span class="o">&lt;</span><span class="n">Tuple2</span><span class="o">&lt;</span><span class="n">String</span><span class="o">,</span> <span class="n">Long</span><span class="o">&gt;&gt;</span> <span class="n">result</span> <span class="o">=</span> <span class="n">clicks</span>
+  <span class="c1">// project clicks to userId and add a 1 for counting</span>
+  <span class="o">.</span><span class="na">map</span><span class="o">(</span>
+    <span class="c1">// define function by implementing the MapFunction interface.</span>
+    <span class="k">new</span> <span class="n">MapFunction</span><span class="o">&lt;</span><span class="n">Click</span><span class="o">,</span> <span class="n">Tuple2</span><span class="o">&lt;</span><span class="n">String</span><span class="o">,</span> <span class="n">Long</span><span class="o">&gt;&gt;()</span> <span class="o">{</span>
+      <span class="nd">@Override</span>
+      <span class="kd">public</span> <span class="n">Tuple2</span><span class="o">&lt;</span><span class="n">String</span><span class="o">,</span> <span class="n">Long</span><span class="o">&gt;</span> <span class="nf">map</span><span class="o">(</span><span class="n">Click</span> <span class="n">click</span><span class="o">)</span> <span class="o">{</span>
+        <span class="k">return</span> <span class="n">Tuple2</span><span class="o">.</span><span class="na">of</span><span class="o">(</span><span class="n">click</span><span class="o">.</span><span class="na">userId</span><span class="o">,</span> <span class="mi">1L</span><span class="o">);</span>
+      <span class="o">}</span>
+    <span class="o">})</span>
+  <span class="c1">// key by userId (field 0)</span>
+  <span class="o">.</span><span class="na">keyBy</span><span class="o">(</span><span class="mi">0</span><span class="o">)</span>
+  <span class="c1">// define session window with 30 minute gap</span>
+  <span class="o">.</span><span class="na">window</span><span class="o">(</span><span class="n">EventTimeSessionWindows</span><span class="o">.</span><span class="na">withGap</span><span class="o">(</span><span class="n">Time</span><span class="o">.</span><span class="na">minutes</span><span class="o">(</span><span class="mi">30L</span><span class="o">)))</span>
+  <span class="c1">// count clicks per session. Define function as lambda function.</span>
+  <span class="o">.</span><span class="na">reduce</span><span class="o">((</span><span class="n">a</span><span class="o">,</span> <span class="n">b</span><span class="o">)</span> <span class="o">-&gt;</span> <span class="n">Tuple2</span><span class="o">.</span><span class="na">of</span><span class="o">(</span><span class="n">a</span><span class="o">.</span><span class="na">f0</span><span class="o">,</span> <span class="n">a</span><span class="o">.</span><span class="na">f1</span> <span class="o">+</span> <span class="n">b</span><span class="o">.</span><span class="na">f1</span><span class="o">));</span></code></pre></div>
+
+<h3 id="sql-amp-table-api">SQL &amp; Table API</h3>
+
+<p>Flink features two relational APIs, the <a href="https://ci.apache.org/projects/flink/flink-docs-stable/dev/table/index.html">Table API and SQL</a>. Both APIs are unified APIs for batch and stream processing, i.e., queries are executed with the same semantics on unbounded, real-time streams or bounded, recorded streams and produce the same results. The Table API and SQL leverage <a href="https://calcite.apache.org">Apache Calcite</a> for parsing, validation, and query optimization. They can be seamlessly integrated with the DataStream and DataSet APIs and support user-defined scalar, aggregate, and table-valued functions.</p>
+
+<p>Flink’s relational APIs are designed to ease the definition of <a href="/usecases.html#analytics">data analytics</a>, <a href="/usecases.html#pipelines">data pipelining, and ETL applications</a>.</p>
+
+<p>The following example shows the SQL query to sessionize a clickstream and count the number of clicks per session. This is the same use case as in the example of the DataStream API.</p>
+
+<div class="highlight"><pre><code class="language-sql"><span class="k">SELECT</span> <span class="n">userId</span><span class="p">,</span> <span class="k">COUNT</span><span class="p">(</span><span class="o">*</span><span class="p">)</span>
+<span class="k">FROM</span> <span class="n">clicks</span>
+<span class="k">GROUP</span> <span class="k">BY</span> <span class="k">SESSION</span><span class="p">(</span><span class="n">clicktime</span><span class="p">,</span> <span class="nb">INTERVAL</span> <span class="s1">&#39;30&#39;</span> <span class="k">MINUTE</span><span class="p">),</span> <span class="n">userId</span></code></pre></div>
+
+<h2 id="libraries">Libraries</h2>
+
+<p>Flink features several libraries for common data processing use cases. The libraries are typically embedded in an API and not fully self-contained. Hence, they can benefit from all features of the API and be integrated with other libraries.</p>
+
+<ul>
+  <li>
+    <p><strong><a href="https://ci.apache.org/projects/flink/flink-docs-stable/dev/libs/cep.html">Complex Event Processing (CEP)</a></strong>: Pattern detection is a very common use case for event stream processing. Flink’s CEP library provides an API to specify patterns of events (think of regular expressions or state machines). The CEP library is integrated with Flink’s DataStream API, such that patterns are evaluated on DataStreams. Applications for the CEP library include network intrusion detection, business process monitoring, and fraud detection.</p>
+  </li>
+  <li>
+    <p><strong><a href="https://ci.apache.org/projects/flink/flink-docs-stable/dev/batch/index.html">DataSet API</a></strong>: The DataSet API is Flink’s core API for batch processing applications. The primitives of the DataSet API include <em>map</em>, <em>reduce</em>, <em>(outer) join</em>, <em>co-group</em>, and <em>iterate</em>. All operations are backed by algorithms and data structures that operate on serialized data in memory and spill to disk if the data size exceed the memory budget. The data processing algorithms of Flink’s DataSet API are inspired by traditional database operators, such as hybrid hash-join or external merge-sort.</p>
+  </li>
+  <li>
+    <p><strong><a href="https://ci.apache.org/projects/flink/flink-docs-stable/dev/libs/gelly/index.html">Gelly</a></strong>: Gelly is a library for scalable graph processing and analysis. Gelly is implemented on top of and integrated with the DataSet API. Hence, it benefits from its scalable and robust operators. Gelly features <a href="https://ci.apache.org/projects/flink/flink-docs-stable/dev/libs/gelly/library_methods.html">built-in algorithms</a>, such as label propagation, triangle enumeration, and page rank, but provides also a <a href="https://ci.apache.org/projects/flink/flink-docs-stable/dev/libs/gelly/graph_api.html">Graph API</a> that eases the implementation of custom graph algorithms.</p>
+  </li>
+</ul>
+
+<hr />
+
+<div class="row">
+  <div class="col-sm-12" style="background-color: #f8f8f8;">
+    <h2>
+      <a href="/flink-architecture.html">Architecture</a> &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      Applications &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      <a href="/flink-operations.html">Operations</a>
+    </h2>
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http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/flink-architecture.html
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+<!DOCTYPE html>
+<html lang="en">
+  <head>
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+    <!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
+    <title>Apache Flink: What is Apache Flink?</title>
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+
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+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
+
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
+
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
+
+            &nbsp;
+
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+
+            <!-- GitHub -->
+            <li>
+              <a href="https://github.com/apache/flink" target="_blank">Flink on GitHub <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
+
+          </ul>
+
+
+          <ul class="nav navbar-nav navbar-bottom">
+          <hr />
+
+            <!-- Twitter -->
+            <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+
+            <!-- Visualizer -->
+            <li class=" hidden-md hidden-sm"><a href="/visualizer/" target="_blank">Plan Visualizer <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+
+          </ul>
+        </div><!-- /.navbar-collapse -->
+    </nav>
+
+      </div>
+      <div class="col-sm-9">
+      <div class="row-fluid">
+  <div class="col-sm-12">
+    <h1>What is Apache Flink?</h1>
+
+	<hr />
+
+<div class="row">
+  <div class="col-sm-12" style="background-color: #f8f8f8;">
+    <h2>
+      Architecture &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      <a href="/flink-applications.html">Applications</a> &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      <a href="/flink-operations.html">Operations</a>
+    </h2>
+  </div>
+</div>
+<hr />
+
+<p>Apache Flink is a framework and distributed processing engine for stateful computations over <em>unbounded and bounded</em> data streams. Flink has been designed to run in <em>all common cluster environments</em>, perform computations at <em>in-memory speed</em> and at <em>any scale</em>.</p>
+
+<p>Here, we explain important aspects of Flink’s architecture.</p>
+
+<!--
+<div class="row front-graphic">
+  <img src="/img/flink-home-graphic-update3.png" width="800px" />
+</div>
+-->
+
+<h2 id="process-unbounded-and-bounded-data">Process Unbounded and Bounded Data</h2>
+
+<p>Any kind of data is produced as a stream of events. Credit card transactions, sensor measurements, machine logs, or user interactions on a website or mobile application, all of these data are generated as a stream.</p>
+
+<p>Data can be processed as <em>unbounded</em> or <em>bounded</em> streams.</p>
+
+<ol>
+  <li>
+    <p><strong>Unbounded streams</strong> have a start but no defined end. They do not terminate and provide data as it is generated. Unbounded streams must be continuously processed, i.e., events must be promptly handled after they have been ingested. It is not possible to wait for all input data to arrive because the input is unbounded and will not be complete at any point in time. Processing unbounded data often requires that events are ingested in a specific order, such as the order in which events occurred, to be able to reason about result completeness.</p>
+  </li>
+  <li>
+    <p><strong>Bounded streams</strong> have a defined start and end. Bounded streams can be processed by ingesting all data before performing any computations. Ordered ingestion is not required to process bounded streams because a bounded data set can always be sorted. Processing of bounded streams is also known as batch processing.</p>
+  </li>
+</ol>
+
+<div class="row front-graphic">
+  <img src="/img/bounded-unbounded.png" width="600px" />
+</div>
+
+<p><strong>Apache Flink excels at processing unbounded and bounded data sets.</strong> Precise control of time and state enable Flink’s runtime to run any kind of application on unbounded streams. Bounded streams are internally processed by algorithms and data structures that are specifically designed for fixed sized data sets, yielding excellent performance.</p>
+
+<p>Convince yourself by exploring the <a href="/usecases.html">use cases</a> that have been built on top of Flink.</p>
+
+<h2 id="deploy-applications-anywhere">Deploy Applications Anywhere</h2>
+
+<p>Apache Flink is a distributed system and requires compute resources in order to execute applications. Flink integrates with all common cluster resource managers such as <a href="https://hadoop.apache.org/docs/stable/hadoop-yarn/hadoop-yarn-site/YARN.html">Hadoop YARN</a>, <a href="https://mesos.apache.org">Apache Mesos</a>, and <a href="https://kubernetes.io/">Kubernetes</a> but can also be setup to run as a stand-alone cluster.</p>
+
+<p>Flink is designed to work well each of the previously listed resource managers. This is achieved by resource-manager-specific deployment modes that allow Flink to interact with each resource manager in its idiomatic way.</p>
+
+<p>When deploying a Flink application, Flink automatically identifies the required resources based on the application’s configured parallelism and requests them from the resource manager. In case of a failure, Flink replaces the failed container by requesting new resources. All communication to submit or control an application happens via REST calls. This eases the integration of Flink in many environments.</p>
+
+<!-- Add this section once library deployment mode is supported. -->
+<!--
+
+Flink features two deployment modes for applications, the *framework mode* and the *library mode*.
+
+* In the **framework deployment mode**, a client submits a Flink application against a running Flink service that takes care of executing the application. This is the common deployment model for most data processing frameworks, query engines, or database systems.
+
+* In the **library deployment mode**, a Flink application is packaged together with the Flink master executables into a (Docker) image. Another job-independent image contains the Flink worker executables. When a container is started from the job image, the Flink master process is started and the embedded application is automatically loaded. Containers started from the worker image, bootstrap Flink worker processes which automatically connect to the master process. A container manager such as Kubernetes monitors the running containers and automatically restarts failed containers. In this mode, you don't have to setup and maintain a Flink service in your cluster. Instead you package Flink as a library with your application. This model is very popular for deploying microservices. 
+
+<div class="row front-graphic">
+  <img src="/img/deployment-modes.png" width="600px" />
+</div>
+
+-->
+
+<h2 id="run-applications-at-any-scale">Run Applications at any Scale</h2>
+
+<p>Flink is designed to run stateful streaming applications at any scale. Applications are parallelized into possibly thousands of tasks that are distributed and concurrently executed in a cluster. Therefore, an application can leverage virtually unlimited amounts of CPUs, main memory, disk and network IO. Moreover, Flink easily maintains very large application state. Its asynchronous and incremental checkpointing algorithm ensures minimal impact on processing latencies while guaranteeing exactly-once state consistency.</p>
+
+<p><a href="/poweredby.html">Users reported impressive scalability numbers</a> for Flink applications running in their production environments, such as</p>
+
+<ul>
+  <li>applications processing <strong>multiple trillions of events per day</strong>,</li>
+  <li>applications maintaining <strong>multiple terabytes of state</strong>, and</li>
+  <li>applications <strong>running on thousands of cores</strong>.</li>
+</ul>
+
+<h2 id="leverage-in-memory-performance">Leverage In-Memory Performance</h2>
+
+<p>Stateful Flink applications are optimized for local state access. Task state is always maintained in memory or, if the state size exceeds the available memory, in access-efficient on-disk data structures. Hence, tasks perform all computations by accessing local, often in-memory, state yielding very low processing latencies. Flink guarantees exactly-once state consistency in case of failures by periodically and asynchronously checkpointing the local state to durable storage.</p>
+
+<div class="row front-graphic">
+  <img src="/img/local-state.png" width="600px" />
+</div>
+
+<hr />
+
+<div class="row">
+  <div class="col-sm-12" style="background-color: #f8f8f8;">
+    <h2>
+      Architecture &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      <a href="/flink-applications.html">Applications</a> &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      <a href="/flink-operations.html">Operations</a>
+    </h2>
+  </div>
+</div>
+<hr />
+
+
+
+  </div>
+</div>
+
+      </div>
+    </div>
+
+    <hr />
+
+    <div class="row">
+      <div class="footer text-center col-sm-12">
+        <p>Copyright © 2014-2017 <a href="http://apache.org">The Apache Software Foundation</a>. All Rights Reserved.</p>
+        <p>Apache Flink, Flink®, Apache®, the squirrel logo, and the Apache feather logo are either registered trademarks or trademarks of The Apache Software Foundation.</p>
+        <p><a href="/privacy-policy.html">Privacy Policy</a> &middot; <a href="/blog/feed.xml">RSS feed</a></p>
+      </div>
+    </div>
+    </div><!-- /.container -->
+
+    <!-- Include all compiled plugins (below), or include individual files as needed -->
+    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
+    <script src="/js/codetabs.js"></script>
+    <script src="/js/stickysidebar.js"></script>
+
+
+    <!-- Google Analytics -->
+    <script>
+      (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+      (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+      m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+      })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
+
+      ga('create', 'UA-52545728-1', 'auto');
+      ga('send', 'pageview');
+    </script>
+  </body>
+</html>

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/flink-operations.html
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+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
+    <title>Apache Flink: What is Apache Flink?</title>
+    <link rel="shortcut icon" href="/favicon.ico" type="image/x-icon">
+    <link rel="icon" href="/favicon.ico" type="image/x-icon">
+
+    <!-- Bootstrap -->
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
+    <link rel="stylesheet" href="/css/flink.css">
+    <link rel="stylesheet" href="/css/syntax.css">
+
+    <!-- Blog RSS feed -->
+    <link href="/blog/feed.xml" rel="alternate" type="application/rss+xml" title="Apache Flink Blog: RSS feed" />
+
+    <!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
+    <!-- We need to load Jquery in the header for custom google analytics event tracking-->
+    <script src="/js/jquery.min.js"></script>
+
+    <!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
+    <!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
+    <!--[if lt IE 9]>
+      <script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
+      <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
+    <![endif]-->
+  </head>
+  <body>  
+    
+
+    <!-- Main content. -->
+    <div class="container">
+    <div class="row">
+
+      
+     <div id="sidebar" class="col-sm-3">
+          <!-- Top navbar. -->
+    <nav class="navbar navbar-default">
+        <!-- The logo. -->
+        <div class="navbar-header">
+          <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+          </button>
+          <div class="navbar-logo">
+            <a href="/">
+              <img alt="Apache Flink" src="/img/flink-header-logo.svg" width="147px" height="73px">
+            </a>
+          </div>
+        </div><!-- /.navbar-header -->
+
+        <!-- The navigation links. -->
+        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
+          <ul class="nav navbar-nav navbar-main">
+
+            <!-- First menu section explains visitors what Flink is -->
+
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
+
+            <!-- What is Flink? -->
+            <li class="active"><a href="/flink-architecture.html">What is Apache Flink?</a></li>
+
+            <!-- Use cases -->
+            <li><a href="/usecases.html">Use Cases</a></li>
+
+            <!-- Powered by -->
+            <li><a href="/poweredby.html">Powered By</a></li>
+
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
+
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
+
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
+
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
+
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
+
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
+
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
+
+            &nbsp;
+
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+
+            <!-- GitHub -->
+            <li>
+              <a href="https://github.com/apache/flink" target="_blank">Flink on GitHub <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
+
+          </ul>
+
+
+          <ul class="nav navbar-nav navbar-bottom">
+          <hr />
+
+            <!-- Twitter -->
+            <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+
+            <!-- Visualizer -->
+            <li class=" hidden-md hidden-sm"><a href="/visualizer/" target="_blank">Plan Visualizer <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+
+          </ul>
+        </div><!-- /.navbar-collapse -->
+    </nav>
+
+      </div>
+      <div class="col-sm-9">
+      <div class="row-fluid">
+  <div class="col-sm-12">
+    <h1>What is Apache Flink?</h1>
+
+	<hr />
+
+<div class="row">
+  <div class="col-sm-12" style="background-color: #f8f8f8;">
+    <h2>
+      <a href="/flink-architecture.html">Architecture</a> &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      <a href="/flink-applications.html">Applications</a> &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      Operations
+    </h2>
+  </div>
+</div>
+<hr />
+
+<p>Apache Flink is a framework for stateful computations over unbounded and bounded data streams. Since many streaming applications are designed to run continuously with minimal downtime, a stream processor must provide excellent failure recovery, as well as, tooling to monitor and maintain applications while they are running.</p>
+
+<p>Apache Flink puts a strong focus on the operational aspects of stream processing. Here, we explain Flink’s failure recovery mechanism and present its features to manage and supervise running applications.</p>
+
+<h2 id="run-your-applications-non-stop-247">Run Your Applications Non-Stop 24/7</h2>
+
+<p>Machine and process failures are ubiquitous in distributed systems. A distributed stream processors like Flink must recover from failures in order to be able to run streaming applications 24/7. Obviously, this does not only mean to restart an application after a failure but also to ensure that its internal state remains consistent, such that the application can continue processing as if the failure had never happened.</p>
+
+<p>Flink provides a several features to ensure that applications keep running and remain consistent:</p>
+
+<ul>
+  <li><strong>Consistent Checkpoints</strong>: Flink’s recovery mechanism is based on consistent checkpoints of an application’s state. In case of a failure, the application is restarted and its state is loaded from the latest checkpoint. In combination with resettable stream sources, this feature can guarantee <em>exactly-once state consistency</em>.</li>
+  <li><strong>Efficient Checkpoints</strong>: Checkpointing the state of an application can be quite expensive if the application maintains terabytes of state. Flink’s can perform asynchronous and incremental checkpoints, in order to keep the impact of checkpoints on the application’s latency SLAs very small.</li>
+  <li><strong>End-to-End Exactly-Once</strong>: Flink features transactional sinks for specific storage systems that guarantee that data is only written out exactly once, even in case of failures.</li>
+  <li><strong>Integration with Cluster Managers</strong>: Flink is tightly integrated with cluster managers, such as <a href="https://hadoop.apache.org">Hadoop YARN</a>, <a href="https://mesos.apache.org">Mesos</a>, or <a href="https://kubernetes.io">Kubernetes</a>. When a process fails, a new process is automatically started to take over its work.</li>
+  <li><strong>High-Availability Setup</strong>: Flink feature a high-availability mode that eliminates all single-points-of-failure. The HA-mode is based on <a href="https://zookeeper.apache.org">Apache ZooKeeper</a>, a battle-proven service for reliable distributed coordination.</li>
+</ul>
+
+<h2 id="update-migrate-suspend-and-resume-your-applications">Update, Migrate, Suspend, and Resume Your Applications</h2>
+
+<p>Streaming applications that power business-critical services need to be maintained. Bugs need to be fixed and improvements or new features need to be implemented. However, updating a stateful streaming application is not trivial. Often one cannot simply stop the applications and restart an fixed or improved version because one cannot afford to lose the state of the application.</p>
+
+<p>Flink’s <em>Savepoints</em> are a unique and powerful feature that solves the issue of updating stateful applications and many other related challenges. A savepoint is a consistent snapshot of an application’s state and therefore very similar to a checkpoint. However in contrast to checkpoints, savepoints need to be manually triggered and are not automatically removed when an application is stopped. A savepoint can be used to start a state-compatible application and initialize its state. Savepoints enable the following features:</p>
+
+<ul>
+  <li><strong>Application Evolution</strong>: Savepoints can be used to evolve applications. A fixed or improved version of an application can be restarted from a savepoint that was taken from a previous version of the application. It is also possible to start the application from an earlier point in time (given such a savepoint exists) to repair incorrect results produced by the flawed version.</li>
+  <li><strong>Cluster Migration</strong>: Using savepoints, applications can be migrated (or cloned) to different clusters.</li>
+  <li><strong>Flink Version Updates</strong>: An application can be migrated to run on a new Flink version using a savepoint.</li>
+  <li><strong>Application Scaling</strong>: Savepoints can be used to increase or decrease the parallelism of an application.</li>
+  <li><strong>A/B Tests and What-If Scenarios</strong>: The performance or quality of two (or more) different versions of an application can be compared by starting all versions from the same savepoint.</li>
+  <li><strong>Pause and Resume</strong>: An application can be paused by taking a savepoint and stopping it. At any later point in time, the application can be resumed from the savepoint.</li>
+  <li><strong>Archiving</strong>: Savepoints can be archived to be able to reset the state of an application to an earlier point in time.</li>
+</ul>
+
+<h2 id="monitor-and-control-your-applications">Monitor and Control Your Applications</h2>
+
+<p>Just like any other service, continuously running streaming applications need to be supervised and integrated into the operations infrastructure, i.e., monitoring and logging services, of an organization. Monitoring helps to anticipate problems and react ahead of time. Logging enables root-cause analysis to investigate failures. Finally, easily accessible interfaces to control running applications are an important feature.</p>
+
+<p>Flink integrates nicely with many common logging and monitoring services and provides a REST API to control applications and query information.</p>
+
+<ul>
+  <li><strong>Web UI</strong>: Flink features a web UI to inspect, monitor, and debug running applications. It can also be used to submit executions for execution or cancel them.</li>
+  <li><strong>Logging</strong>: Flink implements the popular slf4j logging interface and integrates with the logging frameworks <a href="https://logging.apache.org/log4j/2.x/">log4j</a> or <a href="https://logback.qos.ch/">logback</a>.</li>
+  <li><strong>Metrics</strong>: Flink features a sophisticated metrics system to collect and report system and user-defined metrics. Metrics can be exported to several reporters, including <a href="https://en.wikipedia.org/wiki/Java_Management_Extensions">JMX</a>, Ganglia, <a href="https://graphiteapp.org/">Graphite</a>, <a href="https://prometheus.io/">Prometheus</a>, <a href="https://github.com/etsy/statsd">StatsD</a>, <a href="https://www.datadoghq.com/">Datadog</a>, and <a href="https://www.slf4j.org/">Slf4j</a>.</li>
+  <li><strong>REST API</strong>: Flink exposes a REST API to submit a new application, take a savepoint of a running application, or cancel an application. The REST API also exposes meta data and collected metrics of running or completed applications.</li>
+</ul>
+
+<hr />
+
+<div class="row">
+  <div class="col-sm-12" style="background-color: #f8f8f8;">
+    <h2>
+      <a href="/flink-architecture.html">Architecture</a> &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      <a href="/flink-applications.html">Applications</a> &nbsp;
+      <span class="glyphicon glyphicon-chevron-right"></span> &nbsp;
+      Operations
+    </h2>
+  </div>
+</div>
+<hr />
+
+
+
+  </div>
+</div>
+
+      </div>
+    </div>
+
+    <hr />
+
+    <div class="row">
+      <div class="footer text-center col-sm-12">
+        <p>Copyright © 2014-2017 <a href="http://apache.org">The Apache Software Foundation</a>. All Rights Reserved.</p>
+        <p>Apache Flink, Flink®, Apache®, the squirrel logo, and the Apache feather logo are either registered trademarks or trademarks of The Apache Software Foundation.</p>
+        <p><a href="/privacy-policy.html">Privacy Policy</a> &middot; <a href="/blog/feed.xml">RSS feed</a></p>
+      </div>
+    </div>
+    </div><!-- /.container -->
+
+    <!-- Include all compiled plugins (below), or include individual files as needed -->
+    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
+    <script src="/js/codetabs.js"></script>
+    <script src="/js/stickysidebar.js"></script>
+
+
+    <!-- Google Analytics -->
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+      (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
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+      })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
+
+      ga('create', 'UA-52545728-1', 'auto');
+      ga('send', 'pageview');
+    </script>
+  </body>
+</html>

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/gettinghelp.html
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diff --git a/content/gettinghelp.html b/content/gettinghelp.html
new file mode 100644
index 0000000..370ae89
--- /dev/null
+++ b/content/gettinghelp.html
@@ -0,0 +1,333 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
+    <title>Apache Flink: Getting Help</title>
+    <link rel="shortcut icon" href="/favicon.ico" type="image/x-icon">
+    <link rel="icon" href="/favicon.ico" type="image/x-icon">
+
+    <!-- Bootstrap -->
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
+    <link rel="stylesheet" href="/css/flink.css">
+    <link rel="stylesheet" href="/css/syntax.css">
+
+    <!-- Blog RSS feed -->
+    <link href="/blog/feed.xml" rel="alternate" type="application/rss+xml" title="Apache Flink Blog: RSS feed" />
+
+    <!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
+    <!-- We need to load Jquery in the header for custom google analytics event tracking-->
+    <script src="/js/jquery.min.js"></script>
+
+    <!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
+    <!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
+    <!--[if lt IE 9]>
+      <script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
+      <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
+    <![endif]-->
+  </head>
+  <body>  
+    
+
+    <!-- Main content. -->
+    <div class="container">
+    <div class="row">
+
+      
+     <div id="sidebar" class="col-sm-3">
+          <!-- Top navbar. -->
+    <nav class="navbar navbar-default">
+        <!-- The logo. -->
+        <div class="navbar-header">
+          <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+          </button>
+          <div class="navbar-logo">
+            <a href="/">
+              <img alt="Apache Flink" src="/img/flink-header-logo.svg" width="147px" height="73px">
+            </a>
+          </div>
+        </div><!-- /.navbar-header -->
+
+        <!-- The navigation links. -->
+        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
+          <ul class="nav navbar-nav navbar-main">
+
+            <!-- First menu section explains visitors what Flink is -->
+
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
+
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
+
+            <!-- Use cases -->
+            <li><a href="/usecases.html">Use Cases</a></li>
+
+            <!-- Powered by -->
+            <li><a href="/poweredby.html">Powered By</a></li>
+
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
+
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
+
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
+
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
+
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
+
+            <!-- getting help -->
+            <li class="active"><a href="/gettinghelp.html">Getting Help</a></li>
+
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
+
+            &nbsp;
+
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+
+            <!-- GitHub -->
+            <li>
+              <a href="https://github.com/apache/flink" target="_blank">Flink on GitHub <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
+
+          </ul>
+
+
+          <ul class="nav navbar-nav navbar-bottom">
+          <hr />
+
+            <!-- Twitter -->
+            <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+
+            <!-- Visualizer -->
+            <li class=" hidden-md hidden-sm"><a href="/visualizer/" target="_blank">Plan Visualizer <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+
+          </ul>
+        </div><!-- /.navbar-collapse -->
+    </nav>
+
+      </div>
+      <div class="col-sm-9">
+      <div class="row-fluid">
+  <div class="col-sm-12">
+    <h1>Getting Help</h1>
+
+	<hr />
+
+<div class="page-toc">
+<ul id="markdown-toc">
+  <li><a href="#having-a-question" id="markdown-toc-having-a-question">Having a Question?</a>    <ul>
+      <li><a href="#user-mailing-list" id="markdown-toc-user-mailing-list">User Mailing List</a></li>
+      <li><a href="#stack-overflow" id="markdown-toc-stack-overflow">Stack Overflow</a></li>
+    </ul>
+  </li>
+  <li><a href="#found-a-bug" id="markdown-toc-found-a-bug">Found a Bug?</a></li>
+  <li><a href="#got-an-error-message" id="markdown-toc-got-an-error-message">Got an Error Message?</a>    <ul>
+      <li><a href="#i-have-a-notserializableexception" id="markdown-toc-i-have-a-notserializableexception">I have a NotSerializableException.</a></li>
+      <li><a href="#using-the-scala-api-i-get-an-error-about-implicit-values-and-evidence-parameters" id="markdown-toc-using-the-scala-api-i-get-an-error-about-implicit-values-and-evidence-parameters">Using the Scala API, I get an error about implicit values and evidence parameters.</a></li>
+      <li><a href="#i-see-a-classcastexception-x-cannot-be-cast-to-x" id="markdown-toc-i-see-a-classcastexception-x-cannot-be-cast-to-x">I see a ClassCastException: X cannot be cast to X.</a></li>
+      <li><a href="#i-have-an-abstractmethoderror-or-nosuchfielderror" id="markdown-toc-i-have-an-abstractmethoderror-or-nosuchfielderror">I have an AbstractMethodError or NoSuchFieldError.</a></li>
+      <li><a href="#my-datastream-application-produces-no-output-even-though-events-are-going-in" id="markdown-toc-my-datastream-application-produces-no-output-even-though-events-are-going-in">My DataStream application produces no output, even though events are going in.</a></li>
+      <li><a href="#i-see-an-exception-reporting-insufficient-number-of-network-buffers" id="markdown-toc-i-see-an-exception-reporting-insufficient-number-of-network-buffers">I see an exception reporting “Insufficient number of network buffers”.</a></li>
+      <li><a href="#my-job-fails-with-various-exceptions-from-the-hdfshadoop-code-what-can-i-do" id="markdown-toc-my-job-fails-with-various-exceptions-from-the-hdfshadoop-code-what-can-i-do">My job fails with various exceptions from the HDFS/Hadoop code. What can I do?</a></li>
+    </ul>
+  </li>
+</ul>
+
+</div>
+
+<h2 id="having-a-question">Having a Question?</h2>
+
+<p>The Apache Flink community answers many user questions every day. You can search for answers and advice in the archives or reach out to the community for help and guidance.</p>
+
+<h3 id="user-mailing-list">User Mailing List</h3>
+
+<p>Many Flink users, contributors, and committers are subscribed to Flink’s user mailing list. The user mailing list is a very good place to ask for help.</p>
+
+<p>Before posting to the mailing list, you can search the mailing list archives for email threads that discuss issues related to yours on the following websites.</p>
+
+<ul>
+  <li><a href="https://lists.apache.org/list.html?user@flink.apache.org">Apache Pony Mail Archive</a></li>
+  <li><a href="http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/">Nabble Archive</a></li>
+</ul>
+
+<p>If you’d like to post to the mailing list, you need to</p>
+
+<ol>
+  <li>subscribe to the mailing list by sending an email to <code>user-subscribe@flink.apache.org</code>,</li>
+  <li>confirm the subscription by replying to the confirmation email, and</li>
+  <li>send your email to <code>user@flink.apache.org</code>.</li>
+</ol>
+
+<p>Please note that you won’t receive a respose to your mail if you are not subscribed.</p>
+
+<h3 id="stack-overflow">Stack Overflow</h3>
+
+<p>Many members of the Flink community are active on <a href="https://stackoverflow.com">Stack Overflow</a>. You can search for questions and answers or post your questions using the <a href="https://stackoverflow.com/questions/tagged/apache-flink">[apache-flink]</a> tag.</p>
+
+<h2 id="found-a-bug">Found a Bug?</h2>
+
+<p>If you observe an unexpected behavior that might be caused by a bug, you can search for reported bugs or file a bug report in <a href="https://issues.apache.org/jira/issues/?jql=project %3D FLINK">Flink’s JIRA</a>.</p>
+
+<p>If you are unsure whether the unexpected behavior happend due to a bug or not, please post a question to the <a href="#user-mailing-list">user mailing list</a>.</p>
+
+<h2 id="got-an-error-message">Got an Error Message?</h2>
+
+<p>Identifying the cause for an error message can be challenging. In the following, we list the most common error messages and explain how to handle them.</p>
+
+<h3 id="i-have-a-notserializableexception">I have a NotSerializableException.</h3>
+
+<p>Flink uses Java serialization to distribute copies of the application logic (the functions and operations you implement,
+as well as the program configuration, etc.) to the parallel worker processes.
+Because of that, all functions that you pass to the API must be serializable, as defined by
+<a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html">java.io.Serializable</a>.</p>
+
+<p>If your function is an anonymous inner class, consider the following:
+  - make the function a standalone class, or a static inner class
+  - use a Java 8 lambda function.</p>
+
+<p>Is your function is already a static class, check the fields that you assign when you create
+an instance of the class. One of the fields most likely holds a non-serializable type.
+  - In Java, use a <code>RichFunction</code> and initialize the problematic fields in the <code>open()</code> method.
+  - In Scala, you can often simply use “lazy val” to defer initialization until the distributed execution happens. This may come at a minor performance cost. You can naturally also use a <code>RichFunction</code> in Scala.</p>
+
+<h3 id="using-the-scala-api-i-get-an-error-about-implicit-values-and-evidence-parameters">Using the Scala API, I get an error about implicit values and evidence parameters.</h3>
+
+<p>This error means that the implicit value for the type information could not be provided.
+Make sure that you have an <code>import org.apache.flink.streaming.api.scala._</code> (DataStream API) or an
+<code>import org.apache.flink.api.scala._</code> (DataSet API) statement in your code.</p>
+
+<p>If you are using Flink operations inside functions or classes that take
+generic parameters, then a TypeInformation must be available for that parameter.
+This can be achieved by using a context bound:</p>
+
+<div class="highlight"><pre><code class="language-scala"><span class="k">def</span> <span class="n">myFunction</span><span class="o">[</span><span class="kt">T:</span> <span class="kt">TypeInformation</span><span class="o">](</span><span class="n">input</span><span class="k">:</span> <span class="kt">DataSet</span><span class="o">[</span><span class="kt">T</span><span class="o">])</span><span class="k">:</span> <span class="kt">DataSet</span><span class="o">[</span><span class="kt">Seq</span><span class="o">[</span><span class="kt">T</span><span class="o">]]</span> <span class="k">=</span> <span class="o">{</span>
+  <span class="n">input</span><span class="o">.</span><span class="n">reduceGroup</span><span class="o">(</span> <span class="n">i</span> <span class="k">=&gt;</span> <span class="n">i</span><span class="o">.</span><span class="n">toSeq</span> <span class="o">)</span>
+<span class="o">}</span></code></pre></div>
+
+<p>See <a href="http://ci.apache.org/projects/flink/flink-docs-master/dev/types_serialization.html">Type Extraction and Serialization</a> for
+an in-depth discussion of how Flink handles types.</p>
+
+<h3 id="i-see-a-classcastexception-x-cannot-be-cast-to-x">I see a ClassCastException: X cannot be cast to X.</h3>
+
+<p>When you see an exception in the style <code>com.foo.X</code> cannot be cast to <code>com.foo.X</code> (or cannot be assigned to <code>com.foo.X</code>), it means that
+multiple versions of the class <code>com.foo.X</code> have been loaded by different class loaders, and types of that class are attempted to be assigned to each other.</p>
+
+<p>The reason for that can be:</p>
+
+<ul>
+  <li>
+    <p>Class duplication through <code>child-first</code> classloading. That is an intended mechanism to allow users to use different versions of the same
+dependencies that Flink uses. However, if different copies of these classes move between Flink’s core and the user application code, such an exception
+can occur. To verify that this is the reason, try setting <code>classloader.resolve-order: parent-first</code> in the configuration.
+If that makes the error disappear, please write to the mailing list to check if that may be a bug.</p>
+  </li>
+  <li>
+    <p>Caching of classes from different execution attempts, for example by utilities like Guava’s Interners, or Avro’s Schema cache.
+Try to not use interners, or reduce the scope of the interner/cache to make sure a new cache is created whenever a new task
+execution is started.</p>
+  </li>
+</ul>
+
+<h3 id="i-have-an-abstractmethoderror-or-nosuchfielderror">I have an AbstractMethodError or NoSuchFieldError.</h3>
+
+<p>Such errors typically indicate a mix-up in some dependency version. That means a different version of a dependency (a library)
+is loaded during the execution compared to the version that code was compiled against.</p>
+
+<p>From Flink 1.4.0 on, dependencies in your application JAR file may have different versions compared to dependencies used
+by Flink’s core, or other dependencies in the classpath (for example from Hadoop). That requires <code>child-first</code> classloading
+to be activated, which is the default.</p>
+
+<p>If you see these problems in Flink 1.4+, one of the following may be true:
+  - You have a dependency version conflict within your application code. Make sure all your dependency versions are consistent.
+  - You are conflicting with a library that Flink cannot support via <code>child-first</code> classloading. Currently these are the
+    Scala standard library classes, as well as Flink’s own classes, logging APIs, and any Hadoop core classes.</p>
+
+<h3 id="my-datastream-application-produces-no-output-even-though-events-are-going-in">My DataStream application produces no output, even though events are going in.</h3>
+
+<p>If your DataStream application uses <em>Event Time</em>, check that your watermarks get updated. If no watermarks are produced,
+event time windows might never trigger, and the application would produce no results.</p>
+
+<p>You can check in Flink’s web UI (watermarks section) whether watermarks are making progress.</p>
+
+<h3 id="i-see-an-exception-reporting-insufficient-number-of-network-buffers">I see an exception reporting “Insufficient number of network buffers”.</h3>
+
+<p>If you run Flink with a very high parallelism, you may need to increase the number of network buffers.</p>
+
+<p>By default, Flink takes 10% of the JVM heap size for network buffers, with a minimum of 64MB and a maximum of 1GB.
+You can adjust all these values via <code>taskmanager.network.memory.fraction</code>, <code>taskmanager.network.memory.min</code>, and
+<code>taskmanager.network.memory.max</code>.</p>
+
+<p>Please refer to the <a href="http://ci.apache.org/projects/flink/flink-docs-master/ops/config.html#configuring-the-network-buffers">Configuration Reference</a> for details.</p>
+
+<h3 id="my-job-fails-with-various-exceptions-from-the-hdfshadoop-code-what-can-i-do">My job fails with various exceptions from the HDFS/Hadoop code. What can I do?</h3>
+
+<p>The most common cause for that is that the Hadoop version in Flink’s classpath is different than the
+Hadoop version of the cluster you want to connect to (HDFS / YARN).</p>
+
+<p>The easiest way to fix that is to pick a Hadoop-free Flink version and simply export the Hadoop path and
+classpath from the cluster.</p>
+
+
+  </div>
+</div>
+
+      </div>
+    </div>
+
+    <hr />
+
+    <div class="row">
+      <div class="footer text-center col-sm-12">
+        <p>Copyright © 2014-2017 <a href="http://apache.org">The Apache Software Foundation</a>. All Rights Reserved.</p>
+        <p>Apache Flink, Flink®, Apache®, the squirrel logo, and the Apache feather logo are either registered trademarks or trademarks of The Apache Software Foundation.</p>
+        <p><a href="/privacy-policy.html">Privacy Policy</a> &middot; <a href="/blog/feed.xml">RSS feed</a></p>
+      </div>
+    </div>
+    </div><!-- /.container -->
+
+    <!-- Include all compiled plugins (below), or include individual files as needed -->
+    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
+    <script src="/js/codetabs.js"></script>
+    <script src="/js/stickysidebar.js"></script>
+
+
+    <!-- Google Analytics -->
+    <script>
+      (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+      (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+      m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+      })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
+
+      ga('create', 'UA-52545728-1', 'auto');
+      ga('send', 'pageview');
+    </script>
+  </body>
+</html>

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/how-to-contribute.html
----------------------------------------------------------------------
diff --git a/content/how-to-contribute.html b/content/how-to-contribute.html
index a27e9d9..6335193 100644
--- a/content/how-to-contribute.html
+++ b/content/how-to-contribute.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li class="active"><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
+
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
-            <hr />
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
 
+            &nbsp;
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            <!-- Third menu section aim to support community and contributors -->
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li class="active"><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 
@@ -137,7 +139,9 @@
   <div class="col-sm-12">
     <h1>How To Contribute</h1>
 
-	<p>Apache Flink is developed by an open and friendly community. Everybody is cordially welcome to join the community and contribute to Apache Flink. There are several ways to interact with the community and to contribute to Flink including asking questions, filing bug reports, proposing new features, joining discussions on the mailing lists, contributing code or documentation, improving the website, or testing release candidates.</p>
+	<hr />
+
+<p>Apache Flink is developed by an open and friendly community. Everybody is cordially welcome to join the community and contribute to Apache Flink. There are several ways to interact with the community and to contribute to Flink including asking questions, filing bug reports, proposing new features, joining discussions on the mailing lists, contributing code or documentation, improving the website, or testing release candidates.</p>
 
 <div class="page-toc">
 <ul id="markdown-toc">

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/img/api-stack.png
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http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/img/deployment-modes.png
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[08/12] flink-web git commit: Rebuild website

Posted by fh...@apache.org.
http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/downloads.html
----------------------------------------------------------------------
diff --git a/content/downloads.html b/content/downloads.html
index 9b95df3..c2d5fc7 100644
--- a/content/downloads.html
+++ b/content/downloads.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class="active"><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li class="active"><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
+
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
-            <hr />
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
 
+            &nbsp;
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            <!-- Third menu section aim to support community and contributors -->
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 
@@ -137,7 +139,9 @@
   <div class="col-sm-12">
     <h1>Downloads</h1>
 
-	<script type="text/javascript">
+	<hr />
+
+<script type="text/javascript">
 $( document ).ready(function() {
   // Handler for .ready() called.
   $('.ga-track').click( function () {

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/ecosystem.html
----------------------------------------------------------------------
diff --git a/content/ecosystem.html b/content/ecosystem.html
index 9b5ea57..7845ed2 100644
--- a/content/ecosystem.html
+++ b/content/ecosystem.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li class="active"><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/faq.html
----------------------------------------------------------------------
diff --git a/content/faq.html b/content/faq.html
index ad058a5..a52b3b0 100644
--- a/content/faq.html
+++ b/content/faq.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li class="active"><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li  class="hidden-sm active"><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 
@@ -156,8 +158,11 @@ specific language governing permissions and limitations
 under the License.
 -->
 
-<p>The following questions are frequently asked with regard to the Flink project <strong>in general</strong>.
-If you have further questions, make sure to consult the <a href="http://ci.apache.org/projects/flink/flink-docs-master">documentation</a> or <a href="/community.html">ask the community</a>.</p>
+<hr />
+
+<p>The following questions are frequently asked with regard to the Flink project <strong>in general</strong>.</p>
+
+<p>If you have further questions, make sure to consult the <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5">documentation</a> or <a href="/gettinghelp.html">ask the community</a>.</p>
 
 <div class="page-toc">
 <ul id="markdown-toc">
@@ -171,16 +176,7 @@ If you have further questions, make sure to consult the <a href="http://ci.apach
       <li><a href="#is-flink-limited-to-in-memory-data-sets" id="markdown-toc-is-flink-limited-to-in-memory-data-sets">Is Flink limited to in-memory data sets?</a></li>
     </ul>
   </li>
-  <li><a href="#debugging-and-common-error-messages" id="markdown-toc-debugging-and-common-error-messages">Debugging and Common Error Messages</a>    <ul>
-      <li><a href="#i-have-a-notserializableexception" id="markdown-toc-i-have-a-notserializableexception">I have a NotSerializableException.</a></li>
-      <li><a href="#using-the-scala-api-i-get-an-error-about-implicit-values-and-evidence-parameters" id="markdown-toc-using-the-scala-api-i-get-an-error-about-implicit-values-and-evidence-parameters">Using the Scala API, I get an error about implicit values and evidence parameters.</a></li>
-      <li><a href="#i-see-a-classcastexception-x-cannot-be-cast-to-x" id="markdown-toc-i-see-a-classcastexception-x-cannot-be-cast-to-x">I see a ClassCastException: X cannot be cast to X.</a></li>
-      <li><a href="#i-have-an-abstractmethoderror-or-nosuchfielderror" id="markdown-toc-i-have-an-abstractmethoderror-or-nosuchfielderror">I have an AbstractMethodError or NoSuchFieldError.</a></li>
-      <li><a href="#my-datastream-application-produces-no-output-even-though-events-are-going-in" id="markdown-toc-my-datastream-application-produces-no-output-even-though-events-are-going-in">My DataStream application produces no output, even though events are going in.</a></li>
-      <li><a href="#i-see-an-exception-reporting-insufficient-number-of-network-buffers" id="markdown-toc-i-see-an-exception-reporting-insufficient-number-of-network-buffers">I see an exception reporting “Insufficient number of network buffers”.</a></li>
-      <li><a href="#my-job-fails-with-various-exceptions-from-the-hdfshadoop-code-what-can-i-do" id="markdown-toc-my-job-fails-with-various-exceptions-from-the-hdfshadoop-code-what-can-i-do">My job fails with various exceptions from the HDFS/Hadoop code. What can I do?</a></li>
-    </ul>
-  </li>
+  <li><a href="#common-error-messages" id="markdown-toc-common-error-messages">Common Error Messages</a></li>
 </ul>
 
 </div>
@@ -243,109 +239,9 @@ Flink can be easily deployed via YARN and integrates with the YARN and HDFS Kerb
 
 <p>For the DataSet API, all operations (except delta-iterations) can scale beyond main memory.</p>
 
-<h1 id="debugging-and-common-error-messages">Debugging and Common Error Messages</h1>
-
-<h2 id="i-have-a-notserializableexception">I have a NotSerializableException.</h2>
-
-<p>Flink uses Java serialization to distribute copies of the application logic (the functions and operations you implement,
-as well as the program configuration, etc.) to the parallel worker processes.
-Because of that, all functions that you pass to the API must be serializable, as defined by
-<a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html">java.io.Serializable</a>.</p>
-
-<p>If your function is an anonymous inner class, consider the following:</p>
-
-<ul>
-  <li>Make the function a standalone class, or a static inner class.</li>
-  <li>Use a Java 8 lambda function.</li>
-</ul>
-
-<p>If your function is already a static class, check the fields that you assign when you create
-an instance of the class. One of the fields most likely holds a non-serializable type.</p>
-
-<ul>
-  <li>In Java, use a <code>RichFunction</code> and initialize the problematic fields in the <code>open()</code> method.</li>
-  <li>In Scala, you can often simply use “lazy val” to defer initialization until the distributed execution happens. This may come at a minor performance cost. You can naturally also use a <code>RichFunction</code> in Scala.</li>
-</ul>
-
-<h2 id="using-the-scala-api-i-get-an-error-about-implicit-values-and-evidence-parameters">Using the Scala API, I get an error about implicit values and evidence parameters.</h2>
-
-<p>This error means that the implicit value for the type information could not be provided.
-Make sure that you have an <code>import org.apache.flink.streaming.api.scala._</code> (DataStream API) or an
-<code>import org.apache.flink.api.scala._</code> (DataSet API) statement in your code.</p>
-
-<p>If you are using Flink operations inside functions or classes that take
-generic parameters, then a TypeInformation must be available for that parameter.
-This can be achieved by using a context bound:</p>
-
-<div class="highlight"><pre><code class="language-scala"><span class="k">def</span> <span class="n">myFunction</span><span class="o">[</span><span class="kt">T:</span> <span class="kt">TypeInformation</span><span class="o">](</span><span class="n">input</span><span class="k">:</span> <span class="kt">DataSet</span><span class="o">[</span><span class="kt">T</span><span class="o">])</span><span class="k">:</span> <span class="kt">DataSet</span><span class="o">[</span><span class="kt">Seq</span><span class="o">[</span><span class="kt">T</span><span class="o">]]</span> <span class="k">=</span> <span class="o">{</span>
-  <span class="n">input</span><span class="o">.</span><span class="n">reduceGroup</span><span class="o">(</span> <span class="n">i</span> <span class="k">=&gt;</span> <span class="n">i</span><span class="o">.</span><span class="n">toSeq</span> <span class="o">)</span>
-<span class="o">}</span></code></pre></div>
-
-<p>See <a href="http://ci.apache.org/projects/flink/flink-docs-master/dev/types_serialization.html">Type Extraction and Serialization</a> for
-an in-depth discussion of how Flink handles types.</p>
-
-<h2 id="i-see-a-classcastexception-x-cannot-be-cast-to-x">I see a ClassCastException: X cannot be cast to X.</h2>
-
-<p>When you see an exception in the style <code>com.foo.X</code> cannot be cast to <code>com.foo.X</code> (or cannot be assigned to <code>com.foo.X</code>), it means that
-multiple versions of the class <code>com.foo.X</code> have been loaded by different class loaders, and types of that class are attempted to be assigned to each other.</p>
-
-<p>The reason for that can be:</p>
-
-<ul>
-  <li>
-    <p>Class duplication through <code>child-first</code> classloading. That is an intentional mechanism to allow users to use different versions of the same
-dependencies that Flink uses. However, if different copies of these classes move between Flink’s core and the user application code, such an exception
-can occur. To verify that this is the reason, try setting <code>classloader.resolve-order: parent-first</code> in the configuration.
-If that makes the error disappear, please write to the mailing list to check if that may be a bug.</p>
-  </li>
-  <li>
-    <p>Caching of classes from different execution attempts, for example, by utilities like Guava’s Interners, or Avro’s Schema cache.
-Try to not use interners, or reduce the scope of the interner/cache to make sure a new cache is created whenever a new task
-execution is started.</p>
-  </li>
-</ul>
-
-<h2 id="i-have-an-abstractmethoderror-or-nosuchfielderror">I have an AbstractMethodError or NoSuchFieldError.</h2>
-
-<p>Such errors typically indicate a mix-up in some dependency version. That means a different version of a dependency (a library)
-is loaded during the execution compared to the version that code was compiled against.</p>
-
-<p>From Flink 1.4.0 on, dependencies in your application JAR file may have different versions compared to dependencies used
-by Flink’s core, or other dependencies in the classpath (for example from Hadoop). That requires <code>child-first</code> classloading
-to be activated, which is the default.</p>
-
-<p>If you see these problems in Flink 1.4+, one of the following may be true:</p>
-
-<ul>
-  <li>You have a dependency version conflict within your application code. Make sure all your dependency versions are consistent.</li>
-  <li>You are conflicting with a library that Flink cannot support via <code>child-first</code> classloading. Currently these are the
-Scala standard library classes, as well as Flink’s own classes, logging APIs, and any Hadoop core classes.</li>
-</ul>
-
-<h2 id="my-datastream-application-produces-no-output-even-though-events-are-going-in">My DataStream application produces no output, even though events are going in.</h2>
-
-<p>If your DataStream application uses <em>Event Time</em>, check that your watermarks get updated. If no watermarks are produced,
-event time windows might never trigger, and the application would produce no results.</p>
-
-<p>You can check in Flink’s web UI (watermarks section) whether watermarks are making progress.</p>
-
-<h2 id="i-see-an-exception-reporting-insufficient-number-of-network-buffers">I see an exception reporting “Insufficient number of network buffers”.</h2>
-
-<p>If you run Flink with a very high parallelism, you may need to increase the number of network buffers.</p>
-
-<p>By default, Flink takes 10% of the JVM heap size for network buffers, with a minimum of 64MB and a maximum of 1GB.
-You can adjust all these values via <code>taskmanager.network.memory.fraction</code>, <code>taskmanager.network.memory.min</code>, and
-<code>taskmanager.network.memory.max</code>.</p>
-
-<p>Please refer to the <a href="http://ci.apache.org/projects/flink/flink-docs-master/ops/config.html#configuring-the-network-buffers">Configuration Reference</a> for details.</p>
-
-<h2 id="my-job-fails-with-various-exceptions-from-the-hdfshadoop-code-what-can-i-do">My job fails with various exceptions from the HDFS/Hadoop code. What can I do?</h2>
-
-<p>The most common cause for that is that the Hadoop version in Flink’s classpath is different from the
-Hadoop version of the cluster you want to connect to (HDFS / YARN).</p>
+<h1 id="common-error-messages">Common Error Messages</h1>
 
-<p>The easiest way to fix that is to pick a Hadoop-free Flink version and simply export the Hadoop path and
-classpath from the cluster.</p>
+<p>Common error messages are listed on the <a href="/gettinghelp.html#got-an-error-message">Getting Help</a> page.</p>
 
 
   </div>

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/features.html
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diff --git a/content/features.html b/content/features.html
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--- a/content/features.html
+++ /dev/null
@@ -1,506 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-  <head>
-    <meta charset="utf-8">
-    <meta http-equiv="X-UA-Compatible" content="IE=edge">
-    <meta name="viewport" content="width=device-width, initial-scale=1">
-    <!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
-    <title>Apache Flink: Features</title>
-    <link rel="shortcut icon" href="/favicon.ico" type="image/x-icon">
-    <link rel="icon" href="/favicon.ico" type="image/x-icon">
-
-    <!-- Bootstrap -->
-    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
-    <link rel="stylesheet" href="/css/flink.css">
-    <link rel="stylesheet" href="/css/syntax.css">
-
-    <!-- Blog RSS feed -->
-    <link href="/blog/feed.xml" rel="alternate" type="application/rss+xml" title="Apache Flink Blog: RSS feed" />
-
-    <!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
-    <!-- We need to load Jquery in the header for custom google analytics event tracking-->
-    <script src="/js/jquery.min.js"></script>
-
-    <!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
-    <!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
-    <!--[if lt IE 9]>
-      <script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
-      <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
-    <![endif]-->
-  </head>
-  <body>  
-    
-
-    <!-- Main content. -->
-    <div class="container">
-    <div class="row">
-
-      
-     <div id="sidebar" class="col-sm-3">
-          <!-- Top navbar. -->
-    <nav class="navbar navbar-default">
-        <!-- The logo. -->
-        <div class="navbar-header">
-          <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
-            <span class="icon-bar"></span>
-            <span class="icon-bar"></span>
-            <span class="icon-bar"></span>
-          </button>
-          <div class="navbar-logo">
-            <a href="/">
-              <img alt="Apache Flink" src="/img/flink-header-logo.svg" width="147px" height="73px">
-            </a>
-          </div>
-        </div><!-- /.navbar-header -->
-
-        <!-- The navigation links. -->
-        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
-          <ul class="nav navbar-nav navbar-main">
-
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
-
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
-
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
-
-            <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
-
-            <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
-
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
-
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
-
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
-
-            <!-- Blog -->
-            <li class=" hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
-
-            <hr />
-
-
-
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
-
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
-
-            <!-- GitHub -->
-            <li>
-              <a href="https://github.com/apache/flink" target="_blank">Flink on GitHub <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
-
-          </ul>
-
-
-
-          <ul class="nav navbar-nav navbar-bottom">
-          <hr />
-
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
-            <!-- Twitter -->
-            <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-
-            <!-- Visualizer -->
-            <li class=" hidden-md hidden-sm"><a href="/visualizer/" target="_blank">Plan Visualizer <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-
-          </ul>
-        </div><!-- /.navbar-collapse -->
-    </nav>
-
-      </div>
-      <div class="col-sm-9">
-      <div class="row-fluid">
-  <div class="col-sm-12">
-
-<!-- --------------------------------------------- -->
-<!--                Streaming
-<!-- --------------------------------------------- -->
-
-<hr />
-
-<div class="row" style="padding: 0 0 0 0">
-  <div class="col-sm-12" style="text-align: center;">
-    <h1 id="streaming"><b>Streaming</b></h1>
-  </div>
-</div>
-
-<hr />
-
-<!-- High Performance -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="performance"><i>High Performance &amp; Low Latency</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-12">
-    <p class="lead">Flink's data streaming runtime achieves high throughput rates and low latency with little configuration.
-    The charts below show the performance of a distributed item counting task, requiring streaming data shuffles.</p>
-  </div>
-</div>
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12 img-column">
-    <img src="/img/features/streaming_performance.png" alt="Performance of data streaming applications" style="width:75%" />
-  </div>
-</div>
-
-<hr />
-
-<!-- Event Time Streaming -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="event_time"><i>Support for Event Time and Out-of-Order Events</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-6">
-    <p class="lead">Flink supports stream processing and windowing with <b>Event Time</b> semantics.</p>
-    <p class="lead">Event time makes it easy to compute over streams where events arrive out of order, and where events may arrive delayed.</p>
-  </div>
-  <div class="col-sm-6 img-column">
-    <img src="/img/features/out_of_order_stream.png" alt="Event Time and Out-of-Order Streams" style="width:100%" />
-  </div>
-</div>
-
-<hr />
-
-<!-- Exactly-once Semantics -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="exactly_once"><i>Exactly-once Semantics for Stateful Computations</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-6">
-    <p class="lead">Streaming applications can maintain custom state during their computation.</p>
-    <p class="lead">Flink's checkpointing mechanism ensures <i>exactly once</i> semantics for the state in the presence of failures.</p>
-  </div>
-  <div class="col-sm-6 img-column">
-    <img src="/img/features/exactly_once_state.png" alt="Exactly-once Semantics for Stateful Computations" style="width:50%" />
-  </div>
-</div>
-
-<hr />
-
-<!-- Windowing -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="windows"><i>Highly flexible Streaming Windows</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-6">
-    <p class="lead">Flink supports windows over time, count, or sessions, as well as data-driven windows.</p>
-    <p class="lead">Windows can be customized with flexible triggering conditions, to support sophisticated streaming patterns.</p>
-  </div>
-  <div class="col-sm-6 img-column">
-    <img src="/img/features/windows.png" alt="Windows" style="width:100%" />
-  </div>
-</div>
-
-<hr />
-
-<!-- Continuous streaming -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="streaming_model"><i>Continuous Streaming Model with Backpressure</i></h1>
-  </div>
-</div>
-
-<div class="row">
-  <div class="col-sm-6">
-    <p class="lead">Data streaming applications are executed with continuous (long lived) operators.</p>
-    <p class="lead">Flink's streaming runtime has natural flow control: Slow data sinks backpressure faster sources.</p>
-  </div>
-  <div class="col-sm-6 img-column">
-    <img src="/img/features/continuous_streams.png" alt="Continuous Streaming Model" style="width:60%" />
-  </div>
-</div>
-
-<hr />
-
-<!-- Lightweight distributed snapshots -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="snapshots"><i>Fault-tolerance via Lightweight Distributed Snapshots</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-6">
-    <p class="lead">Flink's fault tolerance mechanism is based on Chandy-Lamport distributed snapshots.</p>
-    <p class="lead">The mechanism is lightweight, allowing the system to maintain high throughput rates and provide strong consistency guarantees at the same time.</p>
-  </div>
-  <div class="col-sm-6 img-column">
-    <img src="/img/features/distributed_snapshots.png" alt="Lightweight Distributed Snapshots" style="width:40%" />
-  </div>
-</div>
-
-<hr />
-
-<!-- --------------------------------------------- -->
-<!--                Batch
-<!-- --------------------------------------------- -->
-
-<div class="row" style="padding: 0 0 0 0">
-  <div class="col-sm-12" style="text-align: center;">
-    <h1 id="batch-on-streaming"><b>Batch and Streaming in One System</b></h1>
-  </div>
-</div>
-
-<hr />
-
-<!-- One Runtime for Streaming and Batch Processing -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="one_runtime"><i>One Runtime for Streaming and Batch Processing</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-6">
-    <p class="lead">Flink uses one common runtime for data streaming applications and batch processing applications.</p>
-    <p class="lead">Batch processing applications run efficiently as special cases of stream processing applications.</p>
-  </div>
-  <div class="col-sm-6 img-column">
-    <img src="/img/features/one_runtime.png" alt="Unified Runtime for Batch and Stream Data Analysis" style="width:50%" />
-  </div>
-</div>
-
-<hr />
-
-<!-- Memory Management -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="memory_management"><i>Memory Management</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-6">
-    <p class="lead">Flink implements its own memory management inside the JVM.</p>
-    <p class="lead">Applications scale to data sizes beyond main memory and experience less garbage collection overhead.</p>
-  </div>
-  <div class="col-sm-6 img-column">
-    <img src="/img/features/memory_heap_division.png" alt="Managed JVM Heap" style="width:50%" />
-  </div>
-</div>
-
-<hr />
-
-<!-- Iterations -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="iterations"><i>Iterations and Delta Iterations</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-6">
-    <p class="lead">Flink has dedicated support for iterative computations (as in machine learning and graph analysis).</p>
-    <p class="lead">Delta iterations can exploit computational dependencies for faster convergence.</p>
-  </div>
-  <div class="col-sm-6 img-column">
-    <img src="/img/features/iterations.png" alt="Performance of iterations and delta iterations" style="width:75%" />
-  </div>
-</div>
-
-<hr />
-
-<!-- Optimizer -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="optimizer"><i>Program Optimizer</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-6">
-    <p class="lead">Batch programs are automatically optimized to exploit situations where expensive operations (like shuffles and sorts) can be avoided, and when intermediate data should be cached.</p>
-  </div>
-  <div class="col-sm-6 img-column">
-    <img src="/img/features/optimizer_choice.png" alt="Optimizer choosing between different execution strategies" style="width:100%" />
-  </div>
-</div>
-
-<hr />
-
-<!-- --------------------------------------------- -->
-<!--             APIs and Libraries
-<!-- --------------------------------------------- -->
-
-<div class="row" style="padding: 0 0 0 0">
-  <div class="col-sm-12" style="text-align: center;">
-    <h1 id="apis-and-libs"><b>APIs and Libraries</b></h1>
-  </div>
-</div>
-
-<hr />
-
-<!-- Data Streaming API -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="streaming_api"><i>Streaming Data Applications</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-5">
-    <p class="lead">The <i>DataStream</i> API supports functional transformations on data streams, with user-defined state, and flexible windows.</p>
-    <p class="lead">The example shows how to compute a sliding histogram of word occurrences of a data stream of texts.</p>
-  </div>
-  <div class="col-sm-7">
-    <p class="lead">WindowWordCount in Flink's DataStream API</p>
-
-<div class="highlight"><pre><code class="language-scala" data-lang="scala"><span class="k">case</span> <span class="k">class</span> <span class="nc">Word</span><span class="o">(</span><span class="n">word</span><span class="k">:</span> <span class="kt">String</span><span class="o">,</span> <span class="n">freq</span><span class="k">:</span> <span class="kt">Long</span><span class="o">)</span>
-
-<span class="k">val</span> <span class="n">texts</span><span class="k">:</span> <span class="kt">DataStream</span><span class="o">[</span><span class="kt">String</span><span class="o">]</span> <span class="k">=</span> <span class="o">...</span>
-
-<span class="k">val</span> <span class="n">counts</span> <span class="k">=</span> <span class="n">text</span>
-  <span class="o">.</span><span class="n">flatMap</span> <span class="o">{</span> <span class="n">line</span> <span class="k">=&gt;</span> <span class="n">line</span><span class="o">.</span><span class="n">split</span><span class="o">(</span><span class="s">&quot;\\W+&quot;</span><span class="o">)</span> <span class="o">}</span>
-  <span class="o">.</span><span class="n">map</span> <span class="o">{</span> <span class="n">token</span> <span class="k">=&gt;</span> <span class="nc">Word</span><span class="o">(</span><span class="n">token</span><span class="o">,</span> <span class="mi">1</span><span class="o">)</span> <span class="o">}</span>
-  <span class="o">.</span><span class="n">keyBy</span><span class="o">(</span><span class="s">&quot;word&quot;</span><span class="o">)</span>
-  <span class="o">.</span><span class="n">timeWindow</span><span class="o">(</span><span class="nc">Time</span><span class="o">.</span><span class="n">seconds</span><span class="o">(</span><span class="mi">5</span><span class="o">),</span> <span class="nc">Time</span><span class="o">.</span><span class="n">seconds</span><span class="o">(</span><span class="mi">1</span><span class="o">))</span>
-  <span class="o">.</span><span class="n">sum</span><span class="o">(</span><span class="s">&quot;freq&quot;</span><span class="o">)</span></code></pre></div>
-
-  </div>
-</div>
-
-<hr />
-
-<!-- Batch Processing API -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="batch_api"><i>Batch Processing Applications</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-5">
-    <p class="lead">Flink's <i>DataSet</i> API lets you write beautiful type-safe and maintainable code in Java or Scala. It supports a wide range of data types beyond key/value pairs, and a wealth of operators.</p>
-    <p class="lead">The example shows the core loop of the PageRank algorithm for graphs.</p>
-  </div>
-  <div class="col-sm-7">
-
-<div class="highlight"><pre><code class="language-scala" data-lang="scala"><span class="k">case</span> <span class="k">class</span> <span class="nc">Page</span><span class="o">(</span><span class="n">pageId</span><span class="k">:</span> <span class="kt">Long</span><span class="o">,</span> <span class="n">rank</span><span class="k">:</span> <span class="kt">Double</span><span class="o">)</span>
-<span class="k">case</span> <span class="k">class</span> <span class="nc">Adjacency</span><span class="o">(</span><span class="n">id</span><span class="k">:</span> <span class="kt">Long</span><span class="o">,</span> <span class="n">neighbors</span><span class="k">:</span> <span class="kt">Array</span><span class="o">[</span><span class="kt">Long</span><span class="o">])</span>
-
-<span class="k">val</span> <span class="n">result</span> <span class="k">=</span> <span class="n">initialRanks</span><span class="o">.</span><span class="n">iterate</span><span class="o">(</span><span class="mi">30</span><span class="o">)</span> <span class="o">{</span> <span class="n">pages</span> <span class="k">=&gt;</span>
-  <span class="n">pages</span><span class="o">.</span><span class="n">join</span><span class="o">(</span><span class="n">adjacency</span><span class="o">).</span><span class="n">where</span><span class="o">(</span><span class="s">&quot;pageId&quot;</span><span class="o">).</span><span class="n">equalTo</span><span class="o">(</span><span class="s">&quot;id&quot;</span><span class="o">)</span> <span class="o">{</span>
-
-    <span class="o">(</span><span class="n">page</span><span class="o">,</span> <span class="n">adj</span><span class="o">,</span> <span class="n">out</span><span class="k">:</span> <span class="kt">Collector</span><span class="o">[</span><span class="kt">Page</span><span class="o">])</span> <span class="k">=&gt;</span> <span class="o">{</span>
-      <span class="n">out</span><span class="o">.</span><span class="n">collect</span><span class="o">(</span><span class="nc">Page</span><span class="o">(</span><span class="n">page</span><span class="o">.</span><span class="n">pageId</span><span class="o">,</span> <span class="mf">0.15</span> <span class="o">/</span> <span class="n">numPages</span><span class="o">))</span>
-
-      <span class="k">val</span> <span class="n">nLen</span> <span class="k">=</span> <span class="n">adj</span><span class="o">.</span><span class="n">neighbors</span><span class="o">.</span><span class="n">length</span>
-      <span class="k">for</span> <span class="o">(</span><span class="n">n</span> <span class="k">&lt;-</span> <span class="n">adj</span><span class="o">.</span><span class="n">neighbors</span><span class="o">)</span> <span class="o">{</span>
-        <span class="n">out</span><span class="o">.</span><span class="n">collect</span><span class="o">(</span><span class="nc">Page</span><span class="o">(</span><span class="n">n</span><span class="o">,</span> <span class="mf">0.85</span> <span class="o">*</span> <span class="n">page</span><span class="o">.</span><span class="n">rank</span> <span class="o">/</span> <span class="n">nLen</span><span class="o">))</span>
-      <span class="o">}</span>
-    <span class="o">}</span>
-  <span class="o">}</span>
-  <span class="o">.</span><span class="n">groupBy</span><span class="o">(</span><span class="s">&quot;pageId&quot;</span><span class="o">).</span><span class="n">sum</span><span class="o">(</span><span class="s">&quot;rank&quot;</span><span class="o">)</span>
-<span class="o">}</span></code></pre></div>
-
-  </div>
-</div>
-
-<hr />
-
-<!-- Library Ecosystem -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="libraries"><i>Library Ecosystem</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-6">
-    <p class="lead">Flink's stack offers libraries with high-level APIs for different use cases: Complex Event Processing, Machine Learning, and Graph Analytics.</p>
-    <p class="lead">The libraries are currently in <i>beta</i> status and are heavily developed.</p>
-  </div>
-  <div class="col-sm-6 img-column">
-    <img src="/img/flink-stack-frontpage.png" alt="Flink Stack with Libraries" style="width:100%" />
-  </div>
-</div>
-
-<hr />
-
-<!-- --------------------------------------------- -->
-<!--             Ecosystem
-<!-- --------------------------------------------- -->
-
-<div class="row" style="padding: 0 0 0 0">
-  <div class="col-sm-12" style="text-align: center;">
-    <h1><b>Ecosystem</b></h1>
-  </div>
-</div>
-
-<hr />
-
-<!-- Ecosystem -->
-<div class="row" style="padding: 0 0 2em 0">
-  <div class="col-sm-12">
-    <h1 id="ecosystem"><i>Broad Integration</i></h1>
-  </div>
-</div>
-<div class="row">
-  <div class="col-sm-6">
-    <p class="lead">Flink is integrated with many other projects in the open-source data processing ecosystem.</p>
-    <p class="lead">Flink runs on YARN, works with HDFS, streams data from Kafka, can execute Hadoop program code, and connects to various other data storage systems.</p>
-  </div>
-  <div class="col-sm-6  img-column">
-    <img src="/img/features/ecosystem_logos.png" alt="Other projects that Flink is integrated with" style="width:75%" />
-  </div>
-</div>
-
-
-  </div>
-</div>
-
-      </div>
-    </div>
-
-    <hr />
-
-    <div class="row">
-      <div class="footer text-center col-sm-12">
-        <p>Copyright © 2014-2017 <a href="http://apache.org">The Apache Software Foundation</a>. All Rights Reserved.</p>
-        <p>Apache Flink, Flink®, Apache®, the squirrel logo, and the Apache feather logo are either registered trademarks or trademarks of The Apache Software Foundation.</p>
-        <p><a href="/privacy-policy.html">Privacy Policy</a> &middot; <a href="/blog/feed.xml">RSS feed</a></p>
-      </div>
-    </div>
-    </div><!-- /.container -->
-
-    <!-- Include all compiled plugins (below), or include individual files as needed -->
-    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
-    <script src="/js/codetabs.js"></script>
-    <script src="/js/stickysidebar.js"></script>
-
-
-    <!-- Google Analytics -->
-    <script>
-      (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
-      (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
-      m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
-      })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
-
-      ga('create', 'UA-52545728-1', 'auto');
-      ga('send', 'pageview');
-    </script>
-  </body>
-</html>

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/features/2017/07/04/flink-rescalable-state.html
----------------------------------------------------------------------
diff --git a/content/features/2017/07/04/flink-rescalable-state.html b/content/features/2017/07/04/flink-rescalable-state.html
index ac2b323..366151f 100644
--- a/content/features/2017/07/04/flink-rescalable-state.html
+++ b/content/features/2017/07/04/flink-rescalable-state.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/features/2018/01/30/incremental-checkpointing.html
----------------------------------------------------------------------
diff --git a/content/features/2018/01/30/incremental-checkpointing.html b/content/features/2018/01/30/incremental-checkpointing.html
index c05a81e..885a3eb 100644
--- a/content/features/2018/01/30/incremental-checkpointing.html
+++ b/content/features/2018/01/30/incremental-checkpointing.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/features/2018/03/01/end-to-end-exactly-once-apache-flink.html
----------------------------------------------------------------------
diff --git a/content/features/2018/03/01/end-to-end-exactly-once-apache-flink.html b/content/features/2018/03/01/end-to-end-exactly-once-apache-flink.html
index f0b3075..c1f2e27 100644
--- a/content/features/2018/03/01/end-to-end-exactly-once-apache-flink.html
+++ b/content/features/2018/03/01/end-to-end-exactly-once-apache-flink.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 


[03/12] flink-web git commit: Rebuild website

Posted by fh...@apache.org.
http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2016/03/08/release-1.0.0.html
----------------------------------------------------------------------
diff --git a/content/news/2016/03/08/release-1.0.0.html b/content/news/2016/03/08/release-1.0.0.html
index eb59fe6..cdf7049 100644
--- a/content/news/2016/03/08/release-1.0.0.html
+++ b/content/news/2016/03/08/release-1.0.0.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2016/04/06/cep-monitoring.html
----------------------------------------------------------------------
diff --git a/content/news/2016/04/06/cep-monitoring.html b/content/news/2016/04/06/cep-monitoring.html
index 31366a6..8c20f7e 100644
--- a/content/news/2016/04/06/cep-monitoring.html
+++ b/content/news/2016/04/06/cep-monitoring.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2016/04/06/release-1.0.1.html
----------------------------------------------------------------------
diff --git a/content/news/2016/04/06/release-1.0.1.html b/content/news/2016/04/06/release-1.0.1.html
index 29a62e2..52d3528 100644
--- a/content/news/2016/04/06/release-1.0.1.html
+++ b/content/news/2016/04/06/release-1.0.1.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2016/04/14/flink-forward-announce.html
----------------------------------------------------------------------
diff --git a/content/news/2016/04/14/flink-forward-announce.html b/content/news/2016/04/14/flink-forward-announce.html
index 951c4e5..da38dd0 100644
--- a/content/news/2016/04/14/flink-forward-announce.html
+++ b/content/news/2016/04/14/flink-forward-announce.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2016/04/22/release-1.0.2.html
----------------------------------------------------------------------
diff --git a/content/news/2016/04/22/release-1.0.2.html b/content/news/2016/04/22/release-1.0.2.html
index 13aeb0e..2e579ba 100644
--- a/content/news/2016/04/22/release-1.0.2.html
+++ b/content/news/2016/04/22/release-1.0.2.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2016/05/11/release-1.0.3.html
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diff --git a/content/news/2016/05/11/release-1.0.3.html b/content/news/2016/05/11/release-1.0.3.html
index 2c04259..147f433 100644
--- a/content/news/2016/05/11/release-1.0.3.html
+++ b/content/news/2016/05/11/release-1.0.3.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2016/05/24/stream-sql.html
----------------------------------------------------------------------
diff --git a/content/news/2016/05/24/stream-sql.html b/content/news/2016/05/24/stream-sql.html
index 5b68cd6..c719825 100644
--- a/content/news/2016/05/24/stream-sql.html
+++ b/content/news/2016/05/24/stream-sql.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2016/08/08/release-1.1.0.html
----------------------------------------------------------------------
diff --git a/content/news/2016/08/08/release-1.1.0.html b/content/news/2016/08/08/release-1.1.0.html
index 1c3c1de..beb5cd9 100644
--- a/content/news/2016/08/08/release-1.1.0.html
+++ b/content/news/2016/08/08/release-1.1.0.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2016/08/11/release-1.1.1.html
----------------------------------------------------------------------
diff --git a/content/news/2016/08/11/release-1.1.1.html b/content/news/2016/08/11/release-1.1.1.html
index 9a48053..7f96cd5 100644
--- a/content/news/2016/08/11/release-1.1.1.html
+++ b/content/news/2016/08/11/release-1.1.1.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2016/08/24/ff16-keynotes-panels.html
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diff --git a/content/news/2016/08/24/ff16-keynotes-panels.html b/content/news/2016/08/24/ff16-keynotes-panels.html
index 4f07714..8f213f7 100644
--- a/content/news/2016/08/24/ff16-keynotes-panels.html
+++ b/content/news/2016/08/24/ff16-keynotes-panels.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2016/09/05/release-1.1.2.html
----------------------------------------------------------------------
diff --git a/content/news/2016/09/05/release-1.1.2.html b/content/news/2016/09/05/release-1.1.2.html
index 4da83d3..89b856f 100644
--- a/content/news/2016/09/05/release-1.1.2.html
+++ b/content/news/2016/09/05/release-1.1.2.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2016/10/12/release-1.1.3.html
----------------------------------------------------------------------
diff --git a/content/news/2016/10/12/release-1.1.3.html b/content/news/2016/10/12/release-1.1.3.html
index 9710e2d..a70e1a5 100644
--- a/content/news/2016/10/12/release-1.1.3.html
+++ b/content/news/2016/10/12/release-1.1.3.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2016/12/19/2016-year-in-review.html
----------------------------------------------------------------------
diff --git a/content/news/2016/12/19/2016-year-in-review.html b/content/news/2016/12/19/2016-year-in-review.html
index b8210b4..fdc4f2c 100644
--- a/content/news/2016/12/19/2016-year-in-review.html
+++ b/content/news/2016/12/19/2016-year-in-review.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2016/12/21/release-1.1.4.html
----------------------------------------------------------------------
diff --git a/content/news/2016/12/21/release-1.1.4.html b/content/news/2016/12/21/release-1.1.4.html
index c72fc52..7899618 100644
--- a/content/news/2016/12/21/release-1.1.4.html
+++ b/content/news/2016/12/21/release-1.1.4.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2017/02/06/release-1.2.0.html
----------------------------------------------------------------------
diff --git a/content/news/2017/02/06/release-1.2.0.html b/content/news/2017/02/06/release-1.2.0.html
index d5ee8b5..41254ca 100644
--- a/content/news/2017/02/06/release-1.2.0.html
+++ b/content/news/2017/02/06/release-1.2.0.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
 

http://git-wip-us.apache.org/repos/asf/flink-web/blob/df053d43/content/news/2017/03/23/release-1.1.5.html
----------------------------------------------------------------------
diff --git a/content/news/2017/03/23/release-1.1.5.html b/content/news/2017/03/23/release-1.1.5.html
index 38b5ec0..cbdf82b 100644
--- a/content/news/2017/03/23/release-1.1.5.html
+++ b/content/news/2017/03/23/release-1.1.5.html
@@ -57,54 +57,60 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
           <ul class="nav navbar-nav navbar-main">
 
-            <!-- Downloads -->
-            <li class=""><a class="btn btn-info" href="/downloads.html">Download Flink</a></li>
+            <!-- First menu section explains visitors what Flink is -->
 
-            <!-- Overview -->
-            <li><a href="/index.html">Home</a></li>
+            <!-- What is Stream Processing? -->
+            <!--
+            <li><a href="/streamprocessing1.html">What is Stream Processing?</a></li>
+            -->
 
-            <!-- Intro -->
-            <li><a href="/introduction.html">Introduction to Flink</a></li>
+            <!-- What is Flink? -->
+            <li><a href="/flink-architecture.html">What is Apache Flink?</a></li>
 
             <!-- Use cases -->
-            <li><a href="/usecases.html">Flink Use Cases</a></li>
+            <li><a href="/usecases.html">Use Cases</a></li>
 
             <!-- Powered by -->
-            <li><a href="/poweredby.html">Powered by Flink</a></li>
+            <li><a href="/poweredby.html">Powered By</a></li>
 
-            <!-- Ecosystem -->
-            <li><a href="/ecosystem.html">Ecosystem</a></li>
+            <!-- FAQ -->
+            <li><a href="/faq.html">FAQ</a></li>
 
-            <!-- Community -->
-            <li><a href="/community.html">Community &amp; Project Info</a></li>
+            &nbsp;
+            <!-- Second menu section aims to support Flink users -->
 
-            <!-- Contribute -->
-            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
+            <!-- Downloads -->
+            <li><a href="/downloads.html">Downloads</a></li>
 
-            <!-- Blog -->
-            <li class=" active hidden-md hidden-sm"><a href="/blog/"><b>Flink Blog</b></a></li>
+            <!-- Quickstart -->
+            <li>
+              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Tutorials <small><span class="glyphicon glyphicon-new-window"></span></small></a>
+            </li>
 
-            <hr />
+            <!-- Documentation -->
+            <li class="dropdown">
+              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation<span class="caret"></span></a>
+              <ul class="dropdown-menu">
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+                <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
+              </ul>
+            </li>
 
+            <!-- getting help -->
+            <li><a href="/gettinghelp.html">Getting Help</a></li>
 
+            <!-- Blog -->
+            <li class="active"><a href="/blog/"><b>Flink Blog</b></a></li>
 
-            <!-- Documentation -->
-            <!-- <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">Documentation <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li> -->
-            <li class="dropdown">
-              <a class="dropdown-toggle" data-toggle="dropdown" href="#">Documentation
-                <span class="caret"></span></a>
-                <ul class="dropdown-menu">
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5" target="_blank">1.5 (Latest stable release) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                  <li><a href="http://ci.apache.org/projects/flink/flink-docs-master" target="_blank">1.6 (Snapshot) <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>
-                </ul>
-              </li>
+            &nbsp;
 
-            <!-- Quickstart -->
-            <li>
-              <a href="http://ci.apache.org/projects/flink/flink-docs-release-1.5/quickstart/setup_quickstart.html" target="_blank">Quickstart <small><span class="glyphicon glyphicon-new-window"></span></small></a>
-            </li>
+            <!-- Third menu section aim to support community and contributors -->
+
+            <!-- Community -->
+            <li><a href="/community.html">Community &amp; Project Info</a></li>
+
+            <!-- Contribute -->
+            <li><a href="/how-to-contribute.html">How to Contribute</a></li>
 
             <!-- GitHub -->
             <li>
@@ -114,13 +120,9 @@
           </ul>
 
 
-
           <ul class="nav navbar-nav navbar-bottom">
           <hr />
 
-            <!-- FAQ -->
-            <li ><a href="/faq.html">Project FAQ</a></li>
-
             <!-- Twitter -->
             <li><a href="https://twitter.com/apacheflink" target="_blank">@ApacheFlink <small><span class="glyphicon glyphicon-new-window"></span></small></a></li>