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Posted to commits@flink.apache.org by uc...@apache.org on 2015/05/15 16:10:27 UTC
[28/52] [abbrv] flink-web git commit: Remove files before rebase
Remove files before rebase
Project: http://git-wip-us.apache.org/repos/asf/flink-web/repo
Commit: http://git-wip-us.apache.org/repos/asf/flink-web/commit/1f533de8
Tree: http://git-wip-us.apache.org/repos/asf/flink-web/tree/1f533de8
Diff: http://git-wip-us.apache.org/repos/asf/flink-web/diff/1f533de8
Branch: refs/heads/asf-site
Commit: 1f533de8e9cb79b8425e8ac096e01246555346eb
Parents: 7b3cf3a
Author: Ufuk Celebi <uc...@apache.org>
Authored: Wed May 13 11:10:42 2015 +0200
Committer: Ufuk Celebi <uc...@apache.org>
Committed: Wed May 13 11:19:58 2015 +0200
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.htaccess | 11 -
content/coding-guidelines.html | 207 -
content/css/flink.css | 150 -
content/faq.html | 193 -
content/features.html | 335 -
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doap_flink.rdf | 51 -
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img/WhatIsFlink.png | Bin 248892 -> 0 bytes
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img/logo/svg/black_outline.svg | 473 --
img/logo/svg/color_black.svg | 1561 -----
img/logo/svg/color_white.svg | 1563 -----
img/logo/svg/flink_logos.svg | 6425 ------------------
img/logo/svg/flink_logotypes.svg | 3835 -----------
img/logo/svg/white_filled.svg | 231 -
img/main/apache-incubator-logo.png | Bin 4234 -> 0 bytes
img/main/assets/easy-icon.png | Bin 694 -> 0 bytes
img/main/assets/expressive-icon.png | Bin 1105 -> 0 bytes
img/main/assets/fast-icon.png | Bin 1734 -> 0 bytes
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q/quickstart-SNAPSHOT.sh | 48 -
q/quickstart-scala-SNAPSHOT.sh | 48 -
q/quickstart-scala.sh | 47 -
q/quickstart.sh | 48 -
111 files changed, 15657 deletions(-)
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http://git-wip-us.apache.org/repos/asf/flink-web/blob/1f533de8/.htaccess
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diff --git a/.htaccess b/.htaccess
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-RewriteRule ^/?docs/(.*) http://ci.apache.org/projects/flink/flink-docs-master/$1 [R=301,L,NE]
-
-Redirect 301 /coding_guidelines.html /coding-guidelines.html
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/flink-web/blob/1f533de8/content/coding-guidelines.html
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diff --git a/content/coding-guidelines.html b/content/coding-guidelines.html
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-<!DOCTYPE html>
-<html lang="en">
- <head>
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- <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: Coding Guidelines</title>
- <link rel="shortcut icon" href="/favicon.ico" type="image/x-icon">
- <link rel="icon" href="/favicon.ico" type="image/x-icon">
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- <!-- Wiki -->
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- <li><a href="https://cwiki.apache.org/confluence/display/FLINK/Apache+Flink+Home"><small><span class="glyphicon glyphicon-new-window"></span></small> Wiki</a></li>
- </ul>
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-
-<div class="row">
- <div class="col-sm-12">
- <h1>Coding Guidelines</h1>
-
-<p>These are the coding and style guidelines that we follow.</p>
-
-<h2 id="guidelines-for-pull-requests-and-patches">Guidelines for pull requests and patches</h2>
-
-<ul>
- <li><strong>JIRA issue and commit message</strong>. A pull request should relate to a JIRA issue; create an issue if none exists for the change you want to make. The latest commit message should reference that issue. An example commit message would be <em>[FLINK-633] Fix NullPointerException for empty UDF parameters</em>. That way, the pull request automatically gives a description of what it does, for example what bug does it fix in what way.</li>
- <li><strong>No WIP pull requests</strong>. We consider pull requests as requests to merge the referenced code <em>as is</em> into the current <em>stable</em> master branch. Therefore, a pull request should not be “work in progress”. Open a pull request if you are confident that it can be merged into the current master branch without problems. If you rather want comments on your code, post a link to your working branch.</li>
- <li><strong>Single change per PR</strong>. Please do not combine various unrelated changes in a single pull request. Rather, open multiple individual pull requests. This ensures that pull requests are <em>topic related</em>, can be merged more easily, and typically result in topic-specific merge conflicts only.</li>
- <li><strong>Tests need to pass</strong>. Any pull request where the tests do not pass or which does not compile will not undergo any further review. We recommend to connect your private GitHub accounts with <a href="http://travis-ci.org/">Travis CI</a> (like the Flink GitHub repository). Travis will run tests for all tested environments whenever you push something into <em>your</em> Github repository.</li>
- <li><strong>No reformattings</strong>. Please keep reformatting of source files to a minimum. Diffs become unreadable if you (or your IDE automatically) remove or replace whitespaces, reformat code, or comments. Also, other patches that affect the same files become un-mergeable. Please configure your IDE such that code is not automatically reformatted. Pull requests with excessive or unnecessary code reformatting might be rejected.</li>
- <li><strong>Tests for new features are required</strong>. All new features need to be backed by tests, <em>strictly</em>. It is very easy that a later merge accidentally throws out a feature or breaks it. This will not be caught if the feature is not guarded by tests. Anything not covered by a test is considered cosmetic.</li>
- <li><strong>Cleanup</strong>. Before opening a pull request follow this checklist:
- <ul>
- <li>Rebase onto the latest version of the master branch</li>
- <li>Clean up your commits, i.e., squash them in a reasonable way and give meaningful commit messages</li>
- <li>Run <em>all</em> tests either locally with <code>mvn clean verify</code> or use Travis CI to check the build</li>
- </ul>
- </li>
- <li><strong>Append review commits</strong>. When you get comments on the pull request asking for changes, append commits for these changes. <em>Do not rebase and squash them.</em> It allows people to review the cleanup work independently. Otherwise reviewers have to go through the entire set of diffs again.</li>
- <li><strong>Javadocs for public methods</strong>. Public methods and classes that are part of the user-facing API need to have JavaDocs. Please write meaningful docs. Good docs are concise and informative.</li>
- <li><strong>Meaningful error messages</strong>. Give meaningful exception messages. Try to imagine why an exception could be thrown (what a user did wrong) and give a message that will help a user to resolve the problem.</li>
- <li><strong>Follow the coding style</strong> (see below). The checkstyle plugin verifies these rules when you build the code. If your code does not follow the checkstyle rules, Maven will not compile it and consequently the build will fail.</li>
-</ul>
-
-<h2 id="coding-style-guidelines">Coding Style Guidelines</h2>
-
-<ul>
- <li><strong>Apache license headers</strong>. Make sure you have Apache License headers in your files. The RAT plugin is checking for that when you build the code.</li>
- <li><strong>Tabs vs. spaces</strong>. We are using tabs for indentation, not spaces. We are not religious there, it just happened to be that we started with tabs, and it is important to not mix them (merge/diff conflicts).</li>
- <li>
- <p><strong>Blocks</strong>. All statements after <code>if</code>, <code>for</code>, <code>while</code>, <code>do</code>, … must always be encapsulated in a block with curly braces (even if the block contains one statement):</p>
-
- <div class="highlight"><pre><code class="language-java"><span class="k">for</span> <span class="o">(...)</span> <span class="o">{</span>
- <span class="o">...</span>
-<span class="o">}</span></code></pre></div>
- <p>If you are wondering why, recall the famous <a href="https://www.imperialviolet.org/2014/02/22/applebug.html"><em>goto bug</em></a> in Apple’s SSL library.</p>
- </li>
- <li><strong>No wildcard imports</strong>. Do not use wildcard imports in the core files. They can cause problems when adding to the code and in some cases even during refactoring. Exceptions are the Tuple classes, Tuple-related utilities, and Flink user programs, when importing operators/functions. Tests are a special case of the user programs.</li>
- <li><strong>No unused imports</strong>. Remove all unused imports.</li>
- <li><strong>No raw generic types</strong>. Do not use raw generic types, unless strictly necessary (sometime necessary for signature matches, arrays).</li>
- <li><strong>Supress warnings</strong>. Add annotations to suppress warnings, if they cannot be avoided (such as “unchecked”, or “serial”).</li>
- <li>
- <p><strong>Comments</strong>. Add comments to your code. What is it doing? Add JavaDocs or inherit them by not adding any comments to the methods. Do not automatically generate comments and avoid unnecessary comments like:</p>
-
- <div class="highlight"><pre><code class="language-java"><span class="n">i</span><span class="o">++;</span> <span class="c1">// increment by one</span></code></pre></div>
- </li>
-</ul>
-
-
- </div>
-</div>
-
-
- <hr />
- <div class="footer text-center">
- <p>Copyright © 2014-2015 <a href="http://apache.org">The Apache Software Foundation</a>. All Rights Reserved.</p>
- <p>Apache Flink, Apache, and the Apache feather logo are trademarks of The Apache Software Foundation.</p>
- <p><a href="/privacy-policy.html">Privacy Policy</a> · <a href="/blog/feed.xml">RSS feed</a></p>
- </div>
-
- </div><!-- /.container -->
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- <!-- Include all compiled plugins (below), or include individual files as needed -->
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-}
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-#markdown-toc li:last-child > a {
- border-bottom: 1px solid #E5E5E5;
-}
-
-/*=============================================================================
- Blog
-=============================================================================*/
-.blog-title a {
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--- a/content/faq.html
+++ /dev/null
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-<!DOCTYPE html>
-<html lang="en">
- <head>
- <meta charset="utf-8">
- <meta http-equiv="X-UA-Compatible" content="IE=edge">
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- <title>Apache Flink: F.A.Q.</title>
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-
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- <h1>F.A.Q.</h1>
-
-<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="">documentation</a> or <a href="">ask the community</a>.</p>
-
-<div class="page-toc">
-<ul id="markdown-toc">
- <li><a href="#is-flink-a-hadoop-project" id="markdown-toc-is-flink-a-hadoop-project">Is Flink a Hadoop Project?</a></li>
- <li><a href="#do-i-have-to-install-apache-hadoop-to-use-flink" id="markdown-toc-do-i-have-to-install-apache-hadoop-to-use-flink">Do I have to install Apache Hadoop to use Flink?</a></li>
-</ul>
-
-</div>
-
-<h2 id="is-flink-a-hadoop-project">Is Flink a Hadoop Project?</h2>
-
-<p>Flink is a data processing system and an <strong>alternative to Hadoop’s
-MapReduce component</strong>. It comes with its <em>own runtime</em>, rather than building on top
-of MapReduce. As such, it can work completely independently of the Hadoop
-ecosystem. However, Flink can also access Hadoop’s distributed file
-system (HDFS) to read and write data, and Hadoop’s next-generation resource
-manager (YARN) to provision cluster resources. Since most Flink users are
-using Hadoop HDFS to store their data, Flink already ships the required libraries to
-access HDFS.</p>
-
-<h2 id="do-i-have-to-install-apache-hadoop-to-use-flink">Do I have to install Apache Hadoop to use Flink?</h2>
-
-<p><strong>No</strong>. Flink can run <strong>without</strong> a Hadoop installation. However, a <em>very common</em>
-setup is to use Flink to analyze data stored in the Hadoop Distributed
-File System (HDFS). To make these setups work out of the box, Flink bundles the
-Hadoop client libraries by default.</p>
-
-<p>Additionally, we provide a special YARN Enabled download of Flink for
-users with an existing Hadoop YARN cluster. <a href="http://hadoop.apache.org/docs/r2.2.0/hadoop-yarn/hadoop-yarn-site/YARN.html">Apache Hadoop
-YARN</a>
-is Hadoop’s cluster resource manager that allows to use
-different execution engines next to each other on a cluster.</p>
-
-
- </div>
-</div>
-
-
- <hr />
- <div class="footer text-center">
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- <p><a href="/privacy-policy.html">Privacy Policy</a> · <a href="/blog/feed.xml">RSS feed</a></p>
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http://git-wip-us.apache.org/repos/asf/flink-web/blob/1f533de8/content/features.html
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--- a/content/features.html
+++ /dev/null
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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: 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" />
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- <a href="/"><img alt="Apache Flink" src="/img/navbar-brand-logo.jpg"></a>
- </div>
- </div><!-- /.navbar-header -->
-
- <!-- The navigation links. -->
- <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
- <ul class="nav navbar-nav">
- <!-- Overview -->
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-
- <!-- Features -->
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- <!-- Latest stable release -->
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- <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-0.8">0.8.1 Documentation</a></li>
- <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-0.8/api/java" class="active">0.8.1 Javadocs</a></li>
- <li><a href="http://ci.apache.org/projects/flink/flink-docs-release-0.8/api/scala/index.html" class="active">0.8.1 ScalaDocs</a></li>
-
- <!-- Snapshot docs -->
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- <li role="presentation" class="dropdown-header"><strong>Snapshot</strong> (Development)</li>
- <li><a href="http://ci.apache.org/projects/flink/flink-docs-master">0.9 Documentation</a></li>
- <li><a href="http://ci.apache.org/projects/flink/flink-docs-master/api/java" class="active">0.9 Javadocs</a></li>
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-
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- <li role="presentation" class="dropdown-header"><strong>Contribute</strong></li>
- <li><a href="/how-to-contribute.html">How to Contribute</a></li>
- <li><a href="/coding-guidelines.html">Coding Guidelines</a></li>
- </ul>
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- </div><!-- /.navbar-collapse -->
- </div><!-- /.container -->
- </nav>
-
-
- <!-- Main content. -->
- <div class="container">
-
-
-<div class="row">
- <div class="col-sm-12">
- <h1>Features</h1>
-
-<p class="lead">Get an overview of <strong>how you can use Flink</strong> and its <strong>design</strong>.</p>
-
-<div class="page-toc">
-<ul id="markdown-toc">
- <li><a href="#unified-stream-amp-batch-processing" id="markdown-toc-unified-stream-amp-batch-processing">Unified Stream & Batch Processing</a></li>
- <li><a href="#programming-flink" id="markdown-toc-programming-flink">Programming Flink</a> <ul>
- <li><a href="#fluent-programming-apis" id="markdown-toc-fluent-programming-apis">Fluent Programming APIs</a> <ul>
- <li><a href="#dataset-api" id="markdown-toc-dataset-api">DataSet API</a></li>
- <li><a href="#datastream-api" id="markdown-toc-datastream-api">DataStream API</a></li>
- <li><a href="#table-api" id="markdown-toc-table-api">Table API</a></li>
- </ul>
- </li>
- <li><a href="#domain-specific-apis-amp-libraries" id="markdown-toc-domain-specific-apis-amp-libraries">Domain-specific APIs & Libraries</a> <ul>
- <li><a href="#graph-api-amp-library-gelly" id="markdown-toc-graph-api-amp-library-gelly">Graph API & Library: Gelly</a></li>
- <li><a href="#machine-learning-library" id="markdown-toc-machine-learning-library">Machine Learning Library</a></li>
- </ul>
- </li>
- <li><a href="#deployment-and-integration" id="markdown-toc-deployment-and-integration">Deployment and Integration</a></li>
- </ul>
- </li>
- <li><a href="#system-design" id="markdown-toc-system-design">System Design</a> <ul>
- <li><a href="#stateful-operators" id="markdown-toc-stateful-operators">Stateful Operators</a></li>
- <li><a href="#memory-management" id="markdown-toc-memory-management">Memory Management</a></li>
- <li><a href="#iterative-dataflows" id="markdown-toc-iterative-dataflows">Iterative Dataflows</a></li>
- <li><a href="#program-optimizer" id="markdown-toc-program-optimizer">Program Optimizer</a></li>
- </ul>
- </li>
-</ul>
-
-</div>
-
-<h2 id="unified-stream-amp-batch-processing">Unified Stream & Batch Processing</h2>
-
-<p class="lead">Flink’s core is a <em>distributed streaming dataflow engine</em>, which efficiently supports both <em>batch</em> and <em>stream processing applications</em>.</p>
-
-<div class="row">
- <div class="col-sm-4">
- <img src="/img/runtime.png" alt="Apache Flink Stack" title="Apache Flink Stack" width="100%" />
- </div>
- <div class="col-sm-8">
-
- <p>Programs written with the <a href="">fluent programming APIs</a> or using the <a href="">domain-specific APIs and libraries</a> are translated to dataflows for the Flink engine. Flink takes care of data distribution, communication, and fault tolerance.</p>
-
- <p>Batch programs are as a special case of streaming programs as data inside the system is streamed all the way, including <strong>pipelined shuffles</strong>.</p>
- </div>
-</div>
-
-<hr />
-
-<h1 id="programming-flink">Programming Flink</h1>
-
-<h2 id="fluent-programming-apis">Fluent Programming APIs</h2>
-
-<p class="lead">
-Write beautiful, type-safe, and maintainable code in Java or Scala. You can use native Java and Scala data types without packing them into key-value pairs, logical field addressing, and a wealth of operators.
-</p>
-
-<div class="row">
- <!-- DataSet API -->
- <div class="col-sm-4">
- <h3 id="dataset-api">DataSet API</h3>
-
- <p><strong>Batch Processing</strong>. Use the DataSet API to process static inputs. The following example takes an input text and counts all distinct words in it (the infamous <a href="">WordCount</a> example).</p>
-
- <div class="highlight"><pre><code class="language-java" data-lang="java"><span class="n">DataSet</span><span class="o"><</span><span class="n">Tuple2</span><span class="o"><</span><span class="n">String</span><span class="o">,</span> <span class="n">Integer</span><span class="o">>></span> <span class="n">counts</span> <span class="o">=</span>
- <span class="n">text</span><span class="o">.</span><span class="na">flatMap</span><span class="o">(</span><span class="k">new</span> <span class="nf">Tokenizer</span><span class="o">())</span>
- <span class="o">.</span><span class="na">groupBy</span><span class="o">(</span><span class="mi">0</span><span class="o">)</span>
- <span class="o">.</span><span class="na">sum</span><span class="o">(</span><span class="mi">1</span><span class="o">);</span></code></pre></div>
-
- <p>Check out the <a href="">full example code</a> and read the <a href="">programming guide</a> for all features of the DataSet API.</p>
- </div>
-
- <!-- DataStream API -->
- <div class="col-sm-4">
- <h3 id="datastream-api">DataStream API</h3>
-
- <p><strong>Stream Processing</strong>. Use the DataStream API to process continuous streams of data. The following example counts all distinct words in a sliding window over the input stream.</p>
-
- <div class="highlight"><pre><code class="language-java" data-lang="java"><span class="n">DataStream</span><span class="o"><</span><span class="n">Tuple2</span><span class="o"><</span><span class="n">String</span><span class="o">,</span> <span class="n">Integer</span><span class="o">>></span> <span class="n">counts</span> <span class="o">=</span>
- <span class="n">text</span><span class="o">.</span><span class="na">flatMap</span><span class="o">(</span><span class="k">new</span> <span class="nf">Tokenizer</span><span class="o">())</span>
- <span class="o">.</span><span class="na">window</span><span class="o">(</span><span class="n">Count</span><span class="o">.</span><span class="na">of</span><span class="o">(</span><span class="n">windowSize</span><span class="o">))</span>
- <span class="o">.</span><span class="na">every</span><span class="o">(</span><span class="n">Count</span><span class="o">.</span><span class="na">of</span><span class="o">(</span><span class="n">slideSize</span><span class="o">))</span>
- <span class="o">.</span><span class="na">groupBy</span><span class="o">(</span><span class="mi">0</span><span class="o">).</span><span class="na">sum</span><span class="o">(</span><span class="mi">1</span><span class="o">);</span></code></pre></div>
-
- <p>Check out the <a href="">full example code</a> and read the <a href="">streaming guide</a> for all features of the DataStream API.</p>
- </div>
-
- <!-- Table API -->
- <div class="col-sm-4">
- <h3 id="table-api">Table API</h3>
-
- <p><strong>Language integrated queries</strong>. Specify operations using SQL-like expressions. These operations work both with static inputs as well as continuous streams.</p>
-
- <div class="highlight"><pre><code class="language-java" data-lang="java"><span class="n">Table</span> <span class="n">table</span> <span class="o">=</span> <span class="n">tableEnv</span><span class="o">.</span><span class="na">toTable</span><span class="o">(</span><span class="n">text</span><span class="o">);</span>
-<span class="n">Table</span> <span class="n">filtered</span> <span class="o">=</span> <span class="n">table</span>
- <span class="o">.</span><span class="na">groupBy</span><span class="o">(</span><span class="s">"word"</span><span class="o">)</span>
- <span class="o">.</span><span class="na">select</span><span class="o">(</span><span class="s">"word.count as count, word"</span><span class="o">)</span>
- <span class="o">.</span><span class="na">filter</span><span class="o">(</span><span class="s">"count = 2"</span><span class="o">);</span></code></pre></div>
-
- <p>Check out the <a href="">full example code</a> and read the <a href="">Table API guide</a> for all features of the Table API.</p>
- </div>
-</div>
-
-<p><br /></p>
-<hr />
-
-<p><br /></p>
-
-<h2 id="domain-specific-apis-amp-libraries">Domain-specific APIs & Libraries</h2>
-
-<p class="lead">Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod</p>
-
-<div class="row">
- <div class="col-sm-6">
- <h3 id="graph-api-amp-library-gelly">Graph API & Library: Gelly</h3>
- </div>
-
- <div class="col-sm-6">
- <h3 id="machine-learning-library">Machine Learning Library</h3>
-
- </div>
-</div>
-
-<p><br /></p>
-
-<h2 id="deployment-and-integration">Deployment and Integration</h2>
-
-<p class="lead">Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod</p>
-
-<p><br /></p>
-
-<h1 id="system-design">System Design</h1>
-
-<h2 id="stateful-operators">Stateful Operators</h2>
-
-<p>Applications that go beyond simple filters or line-by-line transformations of the input need stateful operators. There are three kinds of state that are offered by Flink:</p>
-
-<ul>
- <li>
- <p><strong>User-defined state</strong>: As Flink is a streaming dataflow system, operators are continuously running, and can contain user-defined state in the form of Java/Scala objects. This is the most elementary (but most flexible) operator state, but is not backed up or restored by the system in cases of failures.</p>
- </li>
- <li>
- <p><strong>Managed state</strong>: User-defined operations will be able to use a special interface to put their state into an object that is backed up and restored in case of failures. Flink contains managed state internally, and the community is working on exposing this to the user-facing APIs shortly.</p>
- </li>
- <li>
- <p><strong>Windowed streams</strong>: Flink offers the ability to create a finite stream from an infinite stream using (sliding) windows over the stream. The contents of those windows is special form of state that is managed by the system.</p>
- </li>
-</ul>
-
-<p>Flink uses a variation of the <a href="">Chandy-Lamport algorithm</a> for consistent asynchronous distributed snapshots. The state backup works hand-in-hand with checkpoint barriers for stream replay. This allows Flink to give <strong>exactly-once processing guarantees</strong> by replaying parts of a stream, reproducing the results of a user program.</p>
-
-<h2 id="memory-management">Memory Management</h2>
-
-<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
-tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
-quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
-consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
-cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
-proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
-
-<h2 id="iterative-dataflows">Iterative Dataflows</h2>
-
-<div class="row">
- <div class="col-sm-4">
- <img src="/img/main/section/pagerank.png" alt="Apache Flink Stack" title="Apache Flink Stack" width="100%" />
- </div>
- <div class="col-sm-8">
-
- <p>Flink exploits in-memory data streaming and integrates iterative processing deeply into the system runtime.</p>
-
- <p>This makes the system extremely fast for data-intensive and iterative jobs.</p>
- </div>
-</div>
-
-<h2 id="program-optimizer">Program Optimizer</h2>
-
-
- </div>
-</div>
-
-
- <hr />
- <div class="footer text-center">
- <p>Copyright © 2014-2015 <a href="http://apache.org">The Apache Software Foundation</a>. All Rights Reserved.</p>
- <p>Apache Flink, Apache, and the Apache feather logo are trademarks of The Apache Software Foundation.</p>
- <p><a href="/privacy-policy.html">Privacy Policy</a> · <a href="/blog/feed.xml">RSS feed</a></p>
- </div>
-
- </div><!-- /.container -->
-
- <!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
- <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
- <!-- 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>
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- (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
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- ga('send', 'pageview');
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-</html>
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-<?xml version="1.0"?>
-<?xml-stylesheet type="text/xsl"?>
-<rdf:RDF xml:lang="en"
- xmlns="http://usefulinc.com/ns/doap#"
- xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
- xmlns:asfext="http://projects.apache.org/ns/asfext#"
- xmlns:foaf="http://xmlns.com/foaf/0.1/">
-<!--
- Licensed to the Apache Software Foundation (ASF) under one or more
- contributor license agreements. See the NOTICE file distributed with
- this work for additional information regarding copyright ownership.
- The ASF licenses this file to You under the Apache License, Version 2.0
- (the "License"); you may not use this file except in compliance with
- the License. You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
--->
- <Project rdf:about="http://flink.apache.org">
- <created>2015-01-06</created>
- <license rdf:resource="http://spdx.org/licenses/Apache-2.0" />
- <name>Apache Flink</name>
- <homepage rdf:resource="http://flink.apache.org" />
- <asfext:pmc rdf:resource="http://flink.apache.org" />
- <shortdesc>Real-time data analysis</shortdesc>
- <description>**Apache Flink** is an [open source platform]() for real-time data analysis.</description>
- <bug-database rdf:resource="https://issues.apache.org/jira/browse/FLINK" />
- <mailing-list rdf:resource="http://flink.apache.org/community.html" />
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- <programming-language>Java</programming-language>
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