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Posted to commits@omid.apache.org by yo...@apache.org on 2018/09/26 09:03:44 UTC
[45/56] incubator-omid-site git commit: [wagon-git] commit to branch
asf-site 9/25/18 12:09 PM
http://git-wip-us.apache.org/repos/asf/incubator-omid-site/blob/077788dd/dependency-info.html
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diff --git a/dependency-info.html b/dependency-info.html
index f5c732b..cc6f797 100644
--- a/dependency-info.html
+++ b/dependency-info.html
@@ -1,13 +1,13 @@
<!DOCTYPE html>
<!--
- | Generated by Apache Maven Doxia Site Renderer 1.7 at 2018-09-20
+ | Generated by Apache Maven Doxia Site Renderer 1.8.1 at 2018-09-25
| Rendered using Apache Maven Fluido Skin 1.5
-->
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180920" />
+ <meta name="Date-Revision-yyyymmdd" content="20180925" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache Omid – Dependency Information</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5.min.css" />
@@ -117,7 +117,7 @@
</li>
<li> <a href="index.html" title="About">About</a>
</li>
- <li> <a href="license.html" title="Licenses">Licenses</a>
+ <li> <a href="licenses.html" title="Licenses">Licenses</a>
</li>
<li> <a href="modules.html" title="Project Modules">Project Modules</a>
</li>
@@ -125,11 +125,11 @@
</li>
<li> <a href="plugins.html" title="Plugins">Plugins</a>
</li>
- <li> <a href="team-list.html" title="Team">Team</a>
+ <li> <a href="scm.html" title="Source Code Management">Source Code Management</a>
</li>
- <li> <a href="source-repository.html" title="Source Code Management">Source Code Management</a>
+ <li> <a href="summary.html" title="Summary">Summary</a>
</li>
- <li> <a href="project-summary.html" title="Summary">Summary</a>
+ <li> <a href="team.html" title="Team">Team</a>
</li>
</ul>
</li>
@@ -194,11 +194,11 @@
<div id="breadcrumbs">
<ul class="breadcrumb">
- <li id="projectVersion">Version: 0.9.0.0
+ <li id="projectVersion">Version: 0.8.2.11-SNAPSHOT
</li>
- <li id="publishDate" class="pull-right">Last Published: 2018-09-20</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-09-25</li>
</ul>
</div>
@@ -214,31 +214,31 @@
<div class="source"><pre class="prettyprint"><dependency>
<groupId>org.apache.omid</groupId>
<artifactId>omid</artifactId>
- <version>0.9.0.0</version>
+ <version>0.8.2.11-SNAPSHOT</version>
<type>pom</type>
</dependency></pre></div></div>
<div class="section">
<h3><a name="Apache_Buildr"></a>Apache Buildr</h3><a name="Apache_Buildr"></a>
-<div class="source"><pre class="prettyprint">'org.apache.omid:omid:pom:0.9.0.0'</pre></div></div>
+<div class="source"><pre class="prettyprint">'org.apache.omid:omid:pom:0.8.2.11-SNAPSHOT'</pre></div></div>
<div class="section">
<h3><a name="Apache_Ivy"></a>Apache Ivy</h3><a name="Apache_Ivy"></a>
-<div class="source"><pre class="prettyprint"><dependency org="org.apache.omid" name="omid" rev="0.9.0.0">
+<div class="source"><pre class="prettyprint"><dependency org="org.apache.omid" name="omid" rev="0.8.2.11-SNAPSHOT">
<artifact name="omid" type="pom" />
</dependency></pre></div></div>
<div class="section">
<h3><a name="Groovy_Grape"></a>Groovy Grape</h3><a name="Groovy_Grape"></a>
<div class="source"><pre class="prettyprint">@Grapes(
-@Grab(group='org.apache.omid', module='omid', version='0.9.0.0')
+@Grab(group='org.apache.omid', module='omid', version='0.8.2.11-SNAPSHOT')
)</pre></div></div>
<div class="section">
-<h3><a name="GradleGrails"></a>Gradle/Grails</h3><a name="GradleGrails"></a>
-<div class="source"><pre class="prettyprint">compile 'org.apache.omid:omid:0.9.0.0'</pre></div></div>
+<h3><a name="Gradle.2FGrails"></a>Gradle/Grails</h3><a name="Gradle.2FGrails"></a>
+<div class="source"><pre class="prettyprint">compile 'org.apache.omid:omid:0.8.2.11-SNAPSHOT'</pre></div></div>
<div class="section">
<h3><a name="Scala_SBT"></a>Scala SBT</h3><a name="Scala_SBT"></a>
-<div class="source"><pre class="prettyprint">libraryDependencies += "org.apache.omid" % "omid" % "0.9.0.0"</pre></div></div>
+<div class="source"><pre class="prettyprint">libraryDependencies += "org.apache.omid" % "omid" % "0.8.2.11-SNAPSHOT"</pre></div></div>
<div class="section">
<h3><a name="Leiningen"></a>Leiningen</h3><a name="Leiningen"></a>
-<div class="source"><pre class="prettyprint">[org.apache.omid/omid "0.9.0.0"]</pre></div></div></div>
+<div class="source"><pre class="prettyprint">[org.apache.omid/omid "0.8.2.11-SNAPSHOT"]</pre></div></div></div>
</div>
</div>
http://git-wip-us.apache.org/repos/asf/incubator-omid-site/blob/077788dd/dependency-management.html
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diff --git a/dependency-management.html b/dependency-management.html
index 48b1e55..5c08e27 100644
--- a/dependency-management.html
+++ b/dependency-management.html
@@ -1,13 +1,13 @@
<!DOCTYPE html>
<!--
- | Generated by Apache Maven Doxia Site Renderer 1.7 at 2018-09-20
+ | Generated by Apache Maven Doxia Site Renderer 1.8.1 at 2018-09-25
| Rendered using Apache Maven Fluido Skin 1.5
-->
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180920" />
+ <meta name="Date-Revision-yyyymmdd" content="20180925" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache Omid – Project Dependency Management</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5.min.css" />
@@ -117,7 +117,7 @@
</li>
<li> <a href="index.html" title="About">About</a>
</li>
- <li> <a href="license.html" title="Licenses">Licenses</a>
+ <li> <a href="licenses.html" title="Licenses">Licenses</a>
</li>
<li> <a href="modules.html" title="Project Modules">Project Modules</a>
</li>
@@ -125,11 +125,11 @@
</li>
<li> <a href="plugins.html" title="Plugins">Plugins</a>
</li>
- <li> <a href="team-list.html" title="Team">Team</a>
+ <li> <a href="scm.html" title="Source Code Management">Source Code Management</a>
</li>
- <li> <a href="source-repository.html" title="Source Code Management">Source Code Management</a>
+ <li> <a href="summary.html" title="Summary">Summary</a>
</li>
- <li> <a href="project-summary.html" title="Summary">Summary</a>
+ <li> <a href="team.html" title="Team">Team</a>
</li>
</ul>
</li>
@@ -194,11 +194,11 @@
<div id="breadcrumbs">
<ul class="breadcrumb">
- <li id="projectVersion">Version: 0.9.0.0
+ <li id="projectVersion">Version: 0.8.2.11-SNAPSHOT
</li>
- <li id="publishDate" class="pull-right">Last Published: 2018-09-20</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-09-25</li>
</ul>
</div>
@@ -222,25 +222,25 @@
<tr class="b">
<td>org.apache.hbase</td>
<td><a class="externalLink" href="http://hbase.apache.org/hbase-client">hbase-client</a></td>
-<td>1.3.1</td>
+<td>1.2.5</td>
<td>jar</td>
<td><a class="externalLink" href="https://www.apache.org/licenses/LICENSE-2.0.txt">Apache License, Version 2.0</a></td></tr>
<tr class="a">
<td>org.apache.hbase</td>
<td><a class="externalLink" href="http://hbase.apache.org/hbase-common">hbase-common</a></td>
-<td>1.3.1</td>
+<td>1.2.5</td>
<td>jar</td>
<td><a class="externalLink" href="https://www.apache.org/licenses/LICENSE-2.0.txt">Apache License, Version 2.0</a></td></tr>
<tr class="b">
<td>org.apache.hbase</td>
<td><a class="externalLink" href="http://hbase.apache.org/hbase-server">hbase-server</a></td>
-<td>1.3.1</td>
+<td>1.2.5</td>
<td>jar</td>
<td><a class="externalLink" href="https://www.apache.org/licenses/LICENSE-2.0.txt">Apache License, Version 2.0</a></td></tr>
<tr class="a">
<td>org.apache.hbase</td>
<td><a class="externalLink" href="http://hbase.apache.org/hbase-testing-util">hbase-testing-util</a></td>
-<td>1.3.1</td>
+<td>1.2.5</td>
<td>jar</td>
<td><a class="externalLink" href="https://www.apache.org/licenses/LICENSE-2.0.txt">Apache License, Version 2.0</a></td></tr></table></div></div>
</div>
http://git-wip-us.apache.org/repos/asf/incubator-omid-site/blob/077788dd/distribution-management.html
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diff --git a/distribution-management.html b/distribution-management.html
index b0a3cbd..03287e2 100644
--- a/distribution-management.html
+++ b/distribution-management.html
@@ -1,13 +1,13 @@
<!DOCTYPE html>
<!--
- | Generated by Apache Maven Doxia Site Renderer 1.7 at 2018-09-20
+ | Generated by Apache Maven Doxia Site Renderer 1.8.1 at 2018-09-25
| Rendered using Apache Maven Fluido Skin 1.5
-->
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180920" />
+ <meta name="Date-Revision-yyyymmdd" content="20180925" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache Omid – Project Distribution Management</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5.min.css" />
@@ -117,7 +117,7 @@
</li>
<li> <a href="index.html" title="About">About</a>
</li>
- <li> <a href="license.html" title="Licenses">Licenses</a>
+ <li> <a href="licenses.html" title="Licenses">Licenses</a>
</li>
<li> <a href="modules.html" title="Project Modules">Project Modules</a>
</li>
@@ -125,11 +125,11 @@
</li>
<li> <a href="plugins.html" title="Plugins">Plugins</a>
</li>
- <li> <a href="team-list.html" title="Team">Team</a>
+ <li> <a href="scm.html" title="Source Code Management">Source Code Management</a>
</li>
- <li> <a href="source-repository.html" title="Source Code Management">Source Code Management</a>
+ <li> <a href="summary.html" title="Summary">Summary</a>
</li>
- <li> <a href="project-summary.html" title="Summary">Summary</a>
+ <li> <a href="team.html" title="Team">Team</a>
</li>
</ul>
</li>
@@ -194,11 +194,11 @@
<div id="breadcrumbs">
<ul class="breadcrumb">
- <li id="projectVersion">Version: 0.9.0.0
+ <li id="projectVersion">Version: 0.8.2.11-SNAPSHOT
</li>
- <li id="publishDate" class="pull-right">Last Published: 2018-09-20</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-09-25</li>
</ul>
</div>
http://git-wip-us.apache.org/repos/asf/incubator-omid-site/blob/077788dd/index.html
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diff --git a/index.html b/index.html
index 60b2f78..6649494 100644
--- a/index.html
+++ b/index.html
@@ -1,13 +1,13 @@
<!DOCTYPE html>
<!--
- | Generated by Apache Maven Doxia Site Renderer 1.7 at 2018-09-20
+ | Generated by Apache Maven Doxia Site Renderer 1.8.1 at 2018-09-25
| Rendered using Apache Maven Fluido Skin 1.5
-->
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180920" />
+ <meta name="Date-Revision-yyyymmdd" content="20180925" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache Omid – What is Omid?</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5.min.css" />
@@ -117,7 +117,7 @@
</li>
<li> <a href="index.html" title="About">About</a>
</li>
- <li> <a href="license.html" title="Licenses">Licenses</a>
+ <li> <a href="licenses.html" title="Licenses">Licenses</a>
</li>
<li> <a href="modules.html" title="Project Modules">Project Modules</a>
</li>
@@ -125,11 +125,11 @@
</li>
<li> <a href="plugins.html" title="Plugins">Plugins</a>
</li>
- <li> <a href="team-list.html" title="Team">Team</a>
+ <li> <a href="scm.html" title="Source Code Management">Source Code Management</a>
</li>
- <li> <a href="source-repository.html" title="Source Code Management">Source Code Management</a>
+ <li> <a href="summary.html" title="Summary">Summary</a>
</li>
- <li> <a href="project-summary.html" title="Summary">Summary</a>
+ <li> <a href="team.html" title="Team">Team</a>
</li>
</ul>
</li>
@@ -194,11 +194,11 @@
<div id="breadcrumbs">
<ul class="breadcrumb">
- <li id="projectVersion">Version: 0.9.0.0
+ <li id="projectVersion">Version: 0.8.2.11-SNAPSHOT
</li>
- <li id="publishDate" class="pull-right">Last Published: 2018-09-20</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-09-25</li>
</ul>
</div>
@@ -207,19 +207,7 @@
<div id="bodyColumn" >
- <!--
- Licensed 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.
---><h1>What is Omid?</h1>
+ <h1>What is Omid?</h1>
<p><b>Apache Omid (Optimistically transaction Management In Datastores)</b> is a flexible, reliable, high performant and scalable transactional framework that allows Big Data applications to execute ACID transactions on top of MVCC key/value NoSQL datastores.</p>
<p>The current implementation provides multi-row transactions on top of Apache HBase, but Omid’s design is flexible enough to support other datastore implementations as long as they provide MVCC features in their API.</p>
<p>The following sections introduce the motivation behind Omid and its high-level architecture and basic concepts. If you want to jump to a more hands-on approach to Omid, please jump to the <a href="quickstart.html">Quickstart</a> section. On the other hand, if you want more information about Omid’s design and its internals, please refer to the sections in the Technical Documentation menuf.</p>
@@ -231,42 +219,31 @@
<div class="section">
<h2><a name="Benefits"></a>Benefits</h2>
<p>The benefits that Omid provides include:</p>
-
<ol style="list-style-type: decimal">
-
+
<li>Omid allows multi-row/multi-table transactions on top of HBase.</li>
-
<li>Omid is lock-free. In lock-based approaches, the locks on data that are held by the incomplete transactions of a failed client prevent others from progressing. In Omid, if a client is slow or faulty, it does not slow down the other clients.</li>
-
<li>Omid provides <a href="basic-concepts.html#Snapshot_Isolation">Snapshot Isolation</a> (SI) guarantees.</li>
-
<li>Omid does not require any modification into HBase code. All the transactional logic is implemented in the framework components.</li>
-
<li>Omid does not require any change into HBase table schema. Omid uses the HBase metadata -the cell timestamp in particular- to store the transaction timestamp of each value inserted, updated or deleted in a cell. This enables concurrent transactions to read data from the right snapshot.</li>
-
<li>Omid is being used internally at Yahoo in production systems, exhibiting good performance and reliability.</li>
</ol>
<h1>Architecture Overview</h1>
<p>The main architectural components are represented in the figure below and described briefly below in the following paragraphs.</p>
-<p><img src="images/architecture.png" alt="Omid’s architecture" /></p>
+<p><img src="images/architecture.png" alt="Omids architecture" /></p>
<p>For a detailed picture of the Omid architecture, please refer to the <a href="omid-components.html">Omid Components</a> section in the Technical Documentation.</p></div>
<div class="section">
<h2><a name="Component_Roles"></a>Component Roles</h2>
-<p>Omid benefits from a centralized scheme in which a single server, called Transactional Status Oracle (TSO), monitors the modified rows/cells by transactions and use that to detect write-write conflicts. </p>
+<p>Omid benefits from a centralized scheme in which a single server, called Transactional Status Oracle (TSO), monitors the modified rows/cells by transactions and use that to detect write-write conflicts.</p>
<p>User applications are allowed to begin, commit or abort transactions by means of Transactional Clients (TC), which enable remote communication to the TSO and allow to perform transactional operations on the data stored in the datastore.</p>
<p>When a transaction is created, a unique start timestamp is assigned by the Timestamp Oracle (TO). This start timestamp serves as a transaction identifier and is used by the TSO to guarantee SI by detecting conflicts in the writesset of a committing transaction with other concurrent transactions. Upon, finishing conflict detection successfully, the TSO assigns the transaction a commit timestamp and writes the mapping start/commit timestamp in the Commit Table (CT) before returning the response to the client. When receiving the response. the transactional client, adds a Shadow Cell (SC) per cell in the transaction writeset in order to allow to resolve the right snapshot for further read operations without disturbing the TSO.</p>
<p>The main functionality provided by each component depicted in the figure above can be summarized as follows:</p>
-
<ul>
-
+
<li><b>Timestamp Oracle (TO)</b> It assigns the <i>start</i> and <i>commit timestamps</i> that demarcate transactional contexts.</li>
-
<li><b>Transaction Status Oracle (TSO)</b>. Its the central element of the Omid architecture on the server-side. Its main task is to resolve conflicts between concurrent transactions.</li>
-
<li><b>Commit Table (CT)</b> It stores a temporary mapping from the start timestamp to the commit timestamp of every committed transaction.</li>
-
<li><b>Transactional Client (TC)</b> It allows client applications to demarcate transaction boundaries through the so-called <i>Transaction Manager</i> and to perform transactional read/write operations on data through <i>Transactional Tables</i>.</li>
-
<li><b>Shadow Cells (SC)</b> These special metadata cells are written alongside data cells in the data store to allow the transactional clients to resolve read snapshots without consulting the Commit Table. They contain the transactional boundaries of the last transaction in writing to the data cell.</li>
</ul>
<p>For a more in-depth description of how Omid works, please refer to the sections in the Technical Documentation menu.</p>
http://git-wip-us.apache.org/repos/asf/incubator-omid-site/blob/077788dd/licenses.html
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diff --git a/licenses.html b/licenses.html
new file mode 100644
index 0000000..c64d1a6
--- /dev/null
+++ b/licenses.html
@@ -0,0 +1,443 @@
+<!DOCTYPE html>
+<!--
+ | Generated by Apache Maven Doxia Site Renderer 1.8.1 at 2018-09-25
+ | Rendered using Apache Maven Fluido Skin 1.5
+-->
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+ <head>
+ <meta charset="UTF-8" />
+ <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+ <meta name="Date-Revision-yyyymmdd" content="20180925" />
+ <meta http-equiv="Content-Language" content="en" />
+ <title>Apache Omid – Project Licenses</title>
+ <link rel="stylesheet" href="./css/apache-maven-fluido-1.5.min.css" />
+ <link rel="stylesheet" href="./css/site.css" />
+ <link rel="stylesheet" href="./css/print.css" media="print" />
+
+
+ <script type="text/javascript" src="./js/apache-maven-fluido-1.5.min.js"></script>
+
+ </head>
+ <body class="topBarEnabled">
+
+
+
+
+
+ <div id="topbar" class="navbar navbar-fixed-top ">
+ <div class="navbar-inner">
+ <div class="container" style="width: 100%;"><div class="nav-collapse">
+
+
+ <ul class="nav">
+ <li class="dropdown">
+ <a href="#" class="dropdown-toggle" data-toggle="dropdown">Home <b class="caret"></b></a>
+ <ul class="dropdown-menu">
+
+ <li> <a href="index.html" title="Overview">Overview</a>
+</li>
+
+ <li> <a href="license.html" title="License">License</a>
+</li>
+ </ul>
+ </li>
+ <li class="dropdown">
+ <a href="#" class="dropdown-toggle" data-toggle="dropdown">Download <b class="caret"></b></a>
+ <ul class="dropdown-menu">
+
+ <li> <a href="https://github.com/apache/incubator-omid" title="Omid Sources">Omid Sources</a>
+</li>
+
+ <li> <a href="https://dist.apache.org/repos/dist/release/incubator/omid/" title="Apache Version Repository">Apache Version Repository</a>
+</li>
+ </ul>
+ </li>
+ <li class="dropdown">
+ <a href="#" class="dropdown-toggle" data-toggle="dropdown">User Guide & API <b class="caret"></b></a>
+ <ul class="dropdown-menu">
+
+ <li> <a href="quickstart.html" title="Quickstart">Quickstart</a>
+</li>
+
+ <li> <a href="basic-examples.html" title="API and Code Examples">API and Code Examples</a>
+</li>
+ </ul>
+ </li>
+ <li class="dropdown">
+ <a href="#" class="dropdown-toggle" data-toggle="dropdown">Technical Docs <b class="caret"></b></a>
+ <ul class="dropdown-menu">
+
+ <li> <a href="basic-concepts.html" title="Basic Concepts">Basic Concepts</a>
+</li>
+
+ <li> <a href="omid-components.html" title="Omid Components">Omid Components</a>
+</li>
+
+ <li> <a href="basic-algorithm.html" title="Basic Algorithm">Basic Algorithm</a>
+</li>
+
+ <li> <a href="client-failure-management.html" title="Management of Client Failures">Management of Client Failures</a>
+</li>
+
+ <li> <a href="http://yahoohadoop.tumblr.com/tagged/HBase" title="Blog Entries">Blog Entries</a>
+</li>
+ </ul>
+ </li>
+ <li class="dropdown">
+ <a href="#" class="dropdown-toggle" data-toggle="dropdown">Contribute <b class="caret"></b></a>
+ <ul class="dropdown-menu">
+
+ <li> <a href="https://git-wip-us.apache.org/repos/asf/incubator-omid.git" title="Source Code">Source Code</a>
+</li>
+
+ <li> <a href="https://issues.apache.org/jira/browse/Omid" title="JIRA">JIRA</a>
+</li>
+
+ <li> <a href="mailing-lists.html" title="Mailing Lists">Mailing Lists</a>
+</li>
+
+ <li> <a href="coding-guide-and-style.html" title="Coding Guide and Style">Coding Guide and Style</a>
+</li>
+ </ul>
+ </li>
+ <li class="dropdown">
+ <a href="#" class="dropdown-toggle" data-toggle="dropdown">Project Reports <b class="caret"></b></a>
+ <ul class="dropdown-menu">
+
+ <li class="dropdown-submenu">
+ <a href="project-info.html" title="Project Information">Project Information</a>
+ <ul class="dropdown-menu">
+ <li> <a href="dependency-convergence.html" title="Dependency Convergence">Dependency Convergence</a>
+</li>
+ <li> <a href="dependency-info.html" title="Dependency Information">Dependency Information</a>
+</li>
+ <li> <a href="dependency-management.html" title="Dependency Management">Dependency Management</a>
+</li>
+ <li> <a href="distribution-management.html" title="Distribution Management">Distribution Management</a>
+</li>
+ <li> <a href="index.html" title="About">About</a>
+</li>
+ <li> <a href="licenses.html" title="Licenses">Licenses</a>
+</li>
+ <li> <a href="modules.html" title="Project Modules">Project Modules</a>
+</li>
+ <li> <a href="plugin-management.html" title="Plugin Management">Plugin Management</a>
+</li>
+ <li> <a href="plugins.html" title="Plugins">Plugins</a>
+</li>
+ <li> <a href="scm.html" title="Source Code Management">Source Code Management</a>
+</li>
+ <li> <a href="summary.html" title="Summary">Summary</a>
+</li>
+ <li> <a href="team.html" title="Team">Team</a>
+</li>
+ </ul>
+ </li>
+
+ <li class="dropdown-submenu">
+ <a href="project-reports.html" title="Project Reports">Project Reports</a>
+ <ul class="dropdown-menu">
+ <li> <a href="xref/index.html" title="Source Xref">Source Xref</a>
+</li>
+ <li> <a href="xref-test/index.html" title="Test Source Xref">Test Source Xref</a>
+</li>
+ <li> <a href="checkstyle-aggregate.html" title="Checkstyle">Checkstyle</a>
+</li>
+ <li> <a href="cpd.html" title="CPD">CPD</a>
+</li>
+ <li> <a href="pmd.html" title="PMD">PMD</a>
+</li>
+ </ul>
+ </li>
+ </ul>
+ </li>
+ </ul>
+
+ <form id="search-form" action="https://www.google.com/search" method="get" class="navbar-search pull-right" >
+
+ <input value="omid.incubator.apache.org" name="sitesearch" type="hidden"/>
+ <input class="search-query" name="q" id="query" type="text" />
+</form>
+<script type="text/javascript" src="https://cse.google.com/brand?form=search-form"></script>
+
+
+
+
+ <ul class="nav pull-right"><li>
+
+ <a href="https://twitter.com/apacheomid" class="twitter-follow-button" data-show-count="true" data-align="right" data-size="large" data-show-screen-name="true" data-lang="en">Follow apacheomid</a>
+ <script type="text/javascript">!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0];if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src="//platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs");</script>
+
+ </li></ul>
+
+
+ </div>
+
+ </div>
+ </div>
+ </div>
+
+ <div class="container">
+ <div id="banner">
+ <div class="pull-left">
+ <a href="./" id="bannerLeft">
+ <img src="images/omid-logo.png" alt="Omid" width="200"/>
+ </a>
+ </div>
+ <div class="pull-right"> <a href="http://incubator.apache.org/" id="bannerRight">
+ <img src="http://incubator.apache.org/images/egg-logo2.png" alt="Apache Incubator" width="200"/>
+ </a>
+ </div>
+ <div class="clear"><hr/></div>
+ </div>
+
+ <div id="breadcrumbs">
+ <ul class="breadcrumb">
+
+ <li id="projectVersion">Version: 0.8.2.11-SNAPSHOT
+ </li>
+
+
+ <li id="publishDate" class="pull-right">Last Published: 2018-09-25</li>
+
+ </ul>
+ </div>
+
+
+
+ <div id="bodyColumn" >
+
+ <div class="section">
+<h2><a name="Overview"></a>Overview</h2><a name="Overview"></a>
+<p>Typically the licenses listed for the project are that of the project itself, and not of dependencies.</p></div>
+<div class="section">
+<h2><a name="Project_Licenses"></a>Project Licenses</h2><a name="Project_Licenses"></a>
+<div class="section">
+<h3><a name="Apache_License.2C_Version_2.0"></a>Apache License, Version 2.0</h3><a name="Apache_License.2C_Version_2.0"></a>
+<div class="source"><pre class="prettyprint">
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
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+ the terms of any separate license agreement you may have executed
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+ agreed to in writing, Licensor provides the Work (and each
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+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
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+ Work (including but not limited to damages for loss of goodwill,
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+ and charge a fee for, acceptance of support, warranty, indemnity,
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+ on Your own behalf and on Your sole responsibility, not on behalf
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+ defend, and hold each Contributor harmless for any liability
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+ of your accepting any such warranty or additional liability.
+
+ END OF TERMS AND CONDITIONS
+
+ APPENDIX: How to apply the Apache License to your work.
+
+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "[]"
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+ Copyright [yyyy] [name of copyright owner]
+
+ Licensed 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.
+</pre></div></div></div>
+ </div>
+ </div>
+
+ <hr/>
+
+ <footer>
+ <div class="container">
+ <div class="row">
+ <p >Copyright © 2011–2018
+ <a href="http://www.apache.org">Apache Software Foundation</a>.
+ All rights reserved.
+ </p>
+ </div>
+
+ <p id="poweredBy" class="pull-right">
+ <a href="http://maven.apache.org/" title="Maven" class="builtBy">
+ <img class="builtBy" alt="Maven" src="http://maven.apache.org/images/logos/maven-feather.png" />
+ </a>
+ </p>
+
+ </div>
+ </footer>
+ </body>
+</html>
http://git-wip-us.apache.org/repos/asf/incubator-omid-site/blob/077788dd/mailing-lists.html
----------------------------------------------------------------------
diff --git a/mailing-lists.html b/mailing-lists.html
index 1b1516a..5ef6c52 100644
--- a/mailing-lists.html
+++ b/mailing-lists.html
@@ -1,13 +1,13 @@
<!DOCTYPE html>
<!--
- | Generated by Apache Maven Doxia Site Renderer 1.7 at 2018-09-20
+ | Generated by Apache Maven Doxia Site Renderer 1.8.1 at 2018-09-25
| Rendered using Apache Maven Fluido Skin 1.5
-->
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180920" />
+ <meta name="Date-Revision-yyyymmdd" content="20180925" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache Omid – Mailing Lists @ Apache Incubator</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5.min.css" />
@@ -117,7 +117,7 @@
</li>
<li> <a href="index.html" title="About">About</a>
</li>
- <li> <a href="license.html" title="Licenses">Licenses</a>
+ <li> <a href="licenses.html" title="Licenses">Licenses</a>
</li>
<li> <a href="modules.html" title="Project Modules">Project Modules</a>
</li>
@@ -125,11 +125,11 @@
</li>
<li> <a href="plugins.html" title="Plugins">Plugins</a>
</li>
- <li> <a href="team-list.html" title="Team">Team</a>
+ <li> <a href="scm.html" title="Source Code Management">Source Code Management</a>
</li>
- <li> <a href="source-repository.html" title="Source Code Management">Source Code Management</a>
+ <li> <a href="summary.html" title="Summary">Summary</a>
</li>
- <li> <a href="project-summary.html" title="Summary">Summary</a>
+ <li> <a href="team.html" title="Team">Team</a>
</li>
</ul>
</li>
@@ -194,11 +194,11 @@
<div id="breadcrumbs">
<ul class="breadcrumb">
- <li id="projectVersion">Version: 0.9.0.0
+ <li id="projectVersion">Version: 0.8.2.11-SNAPSHOT
</li>
- <li id="publishDate" class="pull-right">Last Published: 2018-09-20</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-09-25</li>
</ul>
</div>
@@ -207,39 +207,19 @@
<div id="bodyColumn" >
- <!--
- Licensed 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.
---><h1>Mailing Lists @ Apache Incubator</h1>
-
+ <h1>Mailing Lists @ Apache Incubator</h1>
<table border="0" class="table table-striped">
- <thead>
-
+<thead>
+
<tr class="a">
-
-<th>Developers </th>
-
-<th>Commits </th>
- </tr>
- </thead>
- <tbody>
-
+<th> Developers </th>
+<th> Commits </th></tr>
+</thead><tbody>
+
<tr class="b">
-
-<td><a class="externalLink" href="mailto:dev@omid.incubator.apache.org">dev@omid.incubator.apache.org</a> </td>
-
-<td><a class="externalLink" href="mailto:commits@omid.incubator.apache.org">commits@omid.incubator.apache.org</a> </td>
- </tr>
- </tbody>
+<td> <a class="externalLink" href="mailto:dev@omid.incubator.apache.org">dev@omid.incubator.apache.org</a> </td>
+<td> <a class="externalLink" href="mailto:commits@omid.incubator.apache.org">commits@omid.incubator.apache.org</a> </td></tr>
+</tbody>
</table>
<div class="section">
<h2><a name="Subscribe"></a>Subscribe</h2>
http://git-wip-us.apache.org/repos/asf/incubator-omid-site/blob/077788dd/modules.html
----------------------------------------------------------------------
diff --git a/modules.html b/modules.html
index ebe707b..e8df44e 100644
--- a/modules.html
+++ b/modules.html
@@ -1,13 +1,13 @@
<!DOCTYPE html>
<!--
- | Generated by Apache Maven Doxia Site Renderer 1.7 at 2018-09-20
+ | Generated by Apache Maven Doxia Site Renderer 1.8.1 at 2018-09-25
| Rendered using Apache Maven Fluido Skin 1.5
-->
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180920" />
+ <meta name="Date-Revision-yyyymmdd" content="20180925" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache Omid – Project Modules</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5.min.css" />
@@ -117,7 +117,7 @@
</li>
<li> <a href="index.html" title="About">About</a>
</li>
- <li> <a href="license.html" title="Licenses">Licenses</a>
+ <li> <a href="licenses.html" title="Licenses">Licenses</a>
</li>
<li> <a href="modules.html" title="Project Modules">Project Modules</a>
</li>
@@ -125,11 +125,11 @@
</li>
<li> <a href="plugins.html" title="Plugins">Plugins</a>
</li>
- <li> <a href="team-list.html" title="Team">Team</a>
+ <li> <a href="scm.html" title="Source Code Management">Source Code Management</a>
</li>
- <li> <a href="source-repository.html" title="Source Code Management">Source Code Management</a>
+ <li> <a href="summary.html" title="Summary">Summary</a>
</li>
- <li> <a href="project-summary.html" title="Summary">Summary</a>
+ <li> <a href="team.html" title="Team">Team</a>
</li>
</ul>
</li>
@@ -194,11 +194,11 @@
<div id="breadcrumbs">
<ul class="breadcrumb">
- <li id="projectVersion">Version: 0.9.0.0
+ <li id="projectVersion">Version: 0.8.2.11-SNAPSHOT
</li>
- <li id="publishDate" class="pull-right">Last Published: 2018-09-20</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-09-25</li>
</ul>
</div>
@@ -215,55 +215,55 @@
<th>Name</th>
<th>Description</th></tr>
<tr class="b">
-<td><a href="omid-benchmarks/index.html">Benchmarks</a></td>
+<td><a href="./omid-benchmarks/index.html">Benchmarks</a></td>
<td>Apache Omid provides multi-row/multi-table transactional support for HBase-based applications</td></tr>
<tr class="a">
-<td><a href="omid-common/index.html">Common</a></td>
+<td><a href="./omid-common/index.html">Common</a></td>
<td>Apache Omid provides multi-row/multi-table transactional support for HBase-based applications</td></tr>
<tr class="b">
-<td><a href="omid-statemachine/index.html">State Machine</a></td>
+<td><a href="./omid-statemachine/index.html">State Machine</a></td>
<td>Apache Omid provides multi-row/multi-table transactional support for HBase-based applications</td></tr>
<tr class="a">
-<td><a href="omid-metrics/index.html">Metrics</a></td>
+<td><a href="./omid-metrics/index.html">Metrics</a></td>
<td>Apache Omid provides multi-row/multi-table transactional support for HBase-based applications</td></tr>
<tr class="b">
-<td><a href="omid-codahale-metrics/index.html">Codahale Metrics</a></td>
+<td><a href="./omid-codahale-metrics/index.html">Codahale Metrics</a></td>
<td>Apache Omid provides multi-row/multi-table transactional support for HBase-based applications</td></tr>
<tr class="a">
-<td><a href="omid-transaction-client/index.html">Transaction Client</a></td>
+<td><a href="./omid-transaction-client/index.html">Transaction Client</a></td>
<td>Apache Omid provides multi-row/multi-table transactional support for HBase-based applications</td></tr>
<tr class="b">
-<td><a href="omid-timestamp-storage/index.html">Timestamp Storage</a></td>
+<td><a href="./omid-timestamp-storage/index.html">Timestamp Storage</a></td>
<td>Apache Omid provides multi-row/multi-table transactional support for HBase-based applications</td></tr>
<tr class="a">
-<td><a href="omid-commit-table/index.html">Commit Table</a></td>
+<td><a href="./omid-commit-table/index.html">Commit Table</a></td>
<td>Apache Omid provides multi-row/multi-table transactional support for HBase-based applications</td></tr>
<tr class="b">
-<td><a href="omid-tso-server/index.html">TSO and TO Servers</a></td>
+<td><a href="./omid-tso-server/index.html">TSO and TO Servers</a></td>
<td>Omid Transaction Status Oracle server and Timestamp Oracle</td></tr>
<tr class="a">
-<td><a href="omid-shims-aggregator/index.html">Shims Aggregator for HBase</a></td>
+<td><a href="./omid-shims-aggregator/index.html">Shims Aggregator for HBase</a></td>
<td>Apache Omid provides multi-row/multi-table transactional support for HBase-based applications</td></tr>
<tr class="b">
-<td><a href="omid-hbase-common/index.html">HBase Common</a></td>
+<td><a href="./omid-hbase-common/index.html">HBase Common</a></td>
<td>Apache Omid provides multi-row/multi-table transactional support for HBase-based applications</td></tr>
<tr class="a">
-<td><a href="omid-hbase-commit-table/index.html">HBase Commit Table</a></td>
+<td><a href="./omid-hbase-commit-table/index.html">HBase Commit Table</a></td>
<td>Apache Omid provides multi-row/multi-table transactional support for HBase-based applications</td></tr>
<tr class="b">
-<td><a href="omid-hbase-client/index.html">HBase Client</a></td>
+<td><a href="./omid-hbase-client/index.html">HBase Client</a></td>
<td>HBase specific implementation of transaction-client module</td></tr>
<tr class="a">
-<td><a href="omid-hbase-coprocessor/index.html">HBase Coprocessors</a></td>
+<td><a href="./omid-hbase-coprocessor/index.html">HBase Coprocessors</a></td>
<td>Apache Omid provides multi-row/multi-table transactional support for HBase-based applications</td></tr>
<tr class="b">
-<td><a href="omid-hbase-tools/index.html">HBase tools</a></td>
+<td><a href="./omid-hbase-tools/index.html">HBase tools</a></td>
<td>Apache Omid provides multi-row/multi-table transactional support for HBase-based applications</td></tr>
<tr class="a">
-<td><a href="omid-examples/index.html">Omid Client Examples</a></td>
+<td><a href="./omid-examples/index.html">Omid Client Examples</a></td>
<td>Includes some examples showing Omid features</td></tr>
<tr class="b">
-<td><a href="omid-packaging/index.html">Omid Packaging</a></td>
+<td><a href="./omid-packaging/index.html">Omid Packaging</a></td>
<td>Apache Omid provides multi-row/multi-table transactional support for HBase-based applications</td></tr></table></div>
</div>
</div>
http://git-wip-us.apache.org/repos/asf/incubator-omid-site/blob/077788dd/omid-components.html
----------------------------------------------------------------------
diff --git a/omid-components.html b/omid-components.html
index 56a6c95..5248962 100644
--- a/omid-components.html
+++ b/omid-components.html
@@ -1,13 +1,13 @@
<!DOCTYPE html>
<!--
- | Generated by Apache Maven Doxia Site Renderer 1.7 at 2018-09-20
+ | Generated by Apache Maven Doxia Site Renderer 1.8.1 at 2018-09-25
| Rendered using Apache Maven Fluido Skin 1.5
-->
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180920" />
+ <meta name="Date-Revision-yyyymmdd" content="20180925" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache Omid – Omid Architecture and Component Description</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5.min.css" />
@@ -117,7 +117,7 @@
</li>
<li> <a href="index.html" title="About">About</a>
</li>
- <li> <a href="license.html" title="Licenses">Licenses</a>
+ <li> <a href="licenses.html" title="Licenses">Licenses</a>
</li>
<li> <a href="modules.html" title="Project Modules">Project Modules</a>
</li>
@@ -125,11 +125,11 @@
</li>
<li> <a href="plugins.html" title="Plugins">Plugins</a>
</li>
- <li> <a href="team-list.html" title="Team">Team</a>
+ <li> <a href="scm.html" title="Source Code Management">Source Code Management</a>
</li>
- <li> <a href="source-repository.html" title="Source Code Management">Source Code Management</a>
+ <li> <a href="summary.html" title="Summary">Summary</a>
</li>
- <li> <a href="project-summary.html" title="Summary">Summary</a>
+ <li> <a href="team.html" title="Team">Team</a>
</li>
</ul>
</li>
@@ -194,11 +194,11 @@
<div id="breadcrumbs">
<ul class="breadcrumb">
- <li id="projectVersion">Version: 0.9.0.0
+ <li id="projectVersion">Version: 0.8.2.11-SNAPSHOT
</li>
- <li id="publishDate" class="pull-right">Last Published: 2018-09-20</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-09-25</li>
</ul>
</div>
@@ -207,49 +207,33 @@
<div id="bodyColumn" >
- <!--
- Licensed 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.
---><h1>Omid Architecture and Component Description</h1>
+ <h1>Omid Architecture and Component Description</h1>
<p>The following figure depicts the current Omid architecture presented in the section presenting Omid:</p>
-<p><img src="images/architecture.png" alt="Omid’s architecture" /></p>
+<p><img src="images/architecture.png" alt="Omids architecture" /></p>
<p>The following sections describe more in deep the most important components and elements in the Omid architecture.</p>
<div class="section">
-<h2><a name="Transactional_Clients_TCs"></a>Transactional Clients (TCs)</h2>
+<h2><a name="Transactional_Clients_.28TCs.29"></a>Transactional Clients (TCs)</h2>
<p><b>Transactional Clients (TCs)</b> are the entry point to user applications using transactions with Omid. They allow applications to <i>demarcate transactional boundaries</i> and <i>read/write transactionally from/to the data source</i>, HBase in this case.</p>
<p>There are two main interfaces/classes that compose the Transactional Client:</p>
-
<ol style="list-style-type: decimal">
-
+
<li>The Transaction Manager interface (represented by the <tt>TransactionManager</tt> interface in the current implementation): Allows user applications to demarcate transactional contexts, providing methods to begin(), commit(), rollback() and markRollbackOnly() transactions.</li>
-
<li>The Data Operation interface (represented by the <tt>TTable</tt> class in the HBase implementation): Allows user applications to trigger transactional operations to the datasource. For example in the HBase, put, get and scan operations.</li>
</ol>
<p>Examples about how to add transactions using these interfaces are described in the <a href="basic-examples.html">Basic Examples</a> section.</p></div>
<div class="section">
-<h2><a name="Timestamp_Oracle_TO"></a>Timestamp Oracle (TO)</h2>
+<h2><a name="Timestamp_Oracle_.28TO.29"></a>Timestamp Oracle (TO)</h2>
<p>The single responsibility of the Timestamp Oracle is to manage transaction timestamps. Transaction timestamps serve as a logical clock and are used mainly to preserve the time-related guarantees required for Snapshot Isolation.</p>
-<p>The TO allocates and delivers transaction timestamps when required by the TSO. To achieve this task, it maintains a monotonically increasing counter. Transaction timestamps are allocated when a transaction begins and right after a transaction willing to commit has passed the writeset validation. The start timestamp is also used as transaction identifier. </p>
+<p>The TO allocates and delivers transaction timestamps when required by the TSO. To achieve this task, it maintains a monotonically increasing counter. Transaction timestamps are allocated when a transaction begins and right after a transaction willing to commit has passed the writeset validation. The start timestamp is also used as transaction identifier.</p>
<p>In order to guarantee that all timestamps are unique, the TO has to persist a value after every N timestamp allocations. This value will be used for recovering the TSO in case of crashes. The value persisted is the current timestamp value plus N, N being a congurable property. From that point on, the TO is then free to safely allocate timestamps up to that value.</p>
<p>In the current implementation, the maximum allocated timestamp value can be persisted/stored in:</p>
-
<ul>
-
+
<li>ZooKeeper</li>
-
<li>In its own HBase table</li>
</ul></div>
<div class="section">
-<h2><a name="The_Server_Oracle_TSO"></a>The Server Oracle (TSO)</h2>
+<h2><a name="The_Server_Oracle_.28TSO.29"></a>The Server Oracle (TSO)</h2>
<p>The TSO is the core component in Omid. There is a single instance of the TSO (Although a high availability protocol is currently a WIP). Its unique responsibility is to resolve conflicts between concurrent transactions. The TSO must maintain the last allocated timestamp, the so-called low watermark and a conflict map for detecting conflicts in the writesets of concurrent transactions. It also delegates the update and persistence of a list of committed transactions to the commit table component (see Figure). Aborted and uncommitted transactions are not tracked. Maintaining the TSO state to the minimum allows us to avoid contention in many cases and provides fast recovery upon crashes.</p>
<p>As mentioned before, conflict resolution for transactions is the primary function of the TSO. To achieve this task, it uses a large map structure of (cellId -> lastCommittedTransaction) pairs called the conflict map. When the client commits a transaction, it sends the cell ids of the cells being committed, i.e. its writeset, to the TSO, which checks possible conflicts when other transactions that were concurrent using the conflict map. If no conflicts are found, a commit timestamp is allocated and the lastCommittedTransaction for each cell id in the transaction is updated to this timestamp.</p>
<p>Confict detection is implemented by comparing the hash of the cell ids in the writeset, not the actual cell id value. As the conflict map does not have a one to one mapping with each cell in cell in the database, this means that there’s a possibility of false aborts in the system. The probability of false aborts is a variant of the <a class="externalLink" href="http://en.wikipedia.org/wiki/Birthday_problem">birthday problem</a> and basically translates into the fact that long-running transactions are more likely to have false aborts.</p>
@@ -258,12 +242,12 @@
<h3><a name="Processing_Commit_Requests"></a>Processing Commit Requests</h3>
<p>When processing the commit request for a transaction, the TSO first checks if the start timestamp is greater the low watermark and if so, if there was another concurrent transaction whose writeset overlapped and whose commit timestamp is greater the start timestamp of the requesting transaction. If no conflicts are found, a commit timestamp is generated for the request transaction which is added to the conflict map for the writeset, the commit is added to the commit table and finally the client is notified about the successful commit. Otherwise, the commit fails and the client is notied on the rollback of the transaction.</p></div></div>
<div class="section">
-<h2><a name="Commit_Table_CT"></a>Commit Table (CT)</h2>
+<h2><a name="Commit_Table_.28CT.29"></a>Commit Table (CT)</h2>
<p>It contains a transient mapping from start timestamp to commit timestamp for recently committed transactions. The commit table is stored on a different set of nodes to the TSO. When a transaction is committed on the TSO it must be stored in the commit table before a response is sent to the client. As the key value mapping in the commit table are completely independent of each other, the table can be trivially scaled by sharding the values over multiple nodes.</p>
<p>The commit table provides two services to the Transactional Client. Firstly, it is used to check if a transaction has been committed or not. The client should not need to consult the commit table in the common case as the status of a read cell should be available from its shadow cell (see below).</p>
<p>The other service provided by the commit table is that transaction clients can delete commits from it. This only occurs once the writing client has updated shadow cells for each of the cells written in the transaction. We call this commit or transaction completion. It is possible that a client will crash between a transaction being committed and being completed. In this case, the transaction will stay in the commit table forever. However as the commit table is not stored in memory and the window of opportunity for such a crash is quite low, we don’t expect this to be a problem.</p></div>
<div class="section">
-<h2><a name="Shadow_Cells_SCs"></a>Shadow Cells (SCs)</h2>
+<h2><a name="Shadow_Cells_.28SCs.29"></a>Shadow Cells (SCs)</h2>
<p>Shadow cells contain a mapping from start timestamp to commit timestamp of the last committed transaction that modified the cell. Upon receiving a commit timestamp after a successful transaction commit, the Transactional Client adds/updates these special cells to each modified cell in the writeset of the committed transaction. The purpose of this, is that Transactional Clients can then query the corresponding shadow cell when they read each cell to check if the data they find in the cell has been committed or not and whether it is within the snapshot of the reading transaction.</p></div>
</div>
</div>
http://git-wip-us.apache.org/repos/asf/incubator-omid-site/blob/077788dd/plugin-management.html
----------------------------------------------------------------------
diff --git a/plugin-management.html b/plugin-management.html
index f4b59e7..ad38172 100644
--- a/plugin-management.html
+++ b/plugin-management.html
@@ -1,13 +1,13 @@
<!DOCTYPE html>
<!--
- | Generated by Apache Maven Doxia Site Renderer 1.7 at 2018-09-20
+ | Generated by Apache Maven Doxia Site Renderer 1.8.1 at 2018-09-25
| Rendered using Apache Maven Fluido Skin 1.5
-->
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180920" />
+ <meta name="Date-Revision-yyyymmdd" content="20180925" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache Omid – Project Plugin Management</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5.min.css" />
@@ -117,7 +117,7 @@
</li>
<li> <a href="index.html" title="About">About</a>
</li>
- <li> <a href="license.html" title="Licenses">Licenses</a>
+ <li> <a href="licenses.html" title="Licenses">Licenses</a>
</li>
<li> <a href="modules.html" title="Project Modules">Project Modules</a>
</li>
@@ -125,11 +125,11 @@
</li>
<li> <a href="plugins.html" title="Plugins">Plugins</a>
</li>
- <li> <a href="team-list.html" title="Team">Team</a>
+ <li> <a href="scm.html" title="Source Code Management">Source Code Management</a>
</li>
- <li> <a href="source-repository.html" title="Source Code Management">Source Code Management</a>
+ <li> <a href="summary.html" title="Summary">Summary</a>
</li>
- <li> <a href="project-summary.html" title="Summary">Summary</a>
+ <li> <a href="team.html" title="Team">Team</a>
</li>
</ul>
</li>
@@ -194,11 +194,11 @@
<div id="breadcrumbs">
<ul class="breadcrumb">
- <li id="projectVersion">Version: 0.9.0.0
+ <li id="projectVersion">Version: 0.8.2.11-SNAPSHOT
</li>
- <li id="publishDate" class="pull-right">Last Published: 2018-09-20</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-09-25</li>
</ul>
</div>
http://git-wip-us.apache.org/repos/asf/incubator-omid-site/blob/077788dd/plugins.html
----------------------------------------------------------------------
diff --git a/plugins.html b/plugins.html
index 70bd9a8..c35c7dd 100644
--- a/plugins.html
+++ b/plugins.html
@@ -1,13 +1,13 @@
<!DOCTYPE html>
<!--
- | Generated by Apache Maven Doxia Site Renderer 1.7 at 2018-09-20
+ | Generated by Apache Maven Doxia Site Renderer 1.8.1 at 2018-09-25
| Rendered using Apache Maven Fluido Skin 1.5
-->
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180920" />
+ <meta name="Date-Revision-yyyymmdd" content="20180925" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache Omid – Project Plugins</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5.min.css" />
@@ -117,7 +117,7 @@
</li>
<li> <a href="index.html" title="About">About</a>
</li>
- <li> <a href="license.html" title="Licenses">Licenses</a>
+ <li> <a href="licenses.html" title="Licenses">Licenses</a>
</li>
<li> <a href="modules.html" title="Project Modules">Project Modules</a>
</li>
@@ -125,11 +125,11 @@
</li>
<li> <a href="plugins.html" title="Plugins">Plugins</a>
</li>
- <li> <a href="team-list.html" title="Team">Team</a>
+ <li> <a href="scm.html" title="Source Code Management">Source Code Management</a>
</li>
- <li> <a href="source-repository.html" title="Source Code Management">Source Code Management</a>
+ <li> <a href="summary.html" title="Summary">Summary</a>
</li>
- <li> <a href="project-summary.html" title="Summary">Summary</a>
+ <li> <a href="team.html" title="Team">Team</a>
</li>
</ul>
</li>
@@ -194,11 +194,11 @@
<div id="breadcrumbs">
<ul class="breadcrumb">
- <li id="projectVersion">Version: 0.9.0.0
+ <li id="projectVersion">Version: 0.8.2.11-SNAPSHOT
</li>
- <li id="publishDate" class="pull-right">Last Published: 2018-09-20</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-09-25</li>
</ul>
</div>
@@ -236,8 +236,8 @@
<td>2.4</td></tr>
<tr class="a">
<td>org.apache.maven.plugins</td>
-<td><a class="externalLink" href="http://maven.apache.org/plugins/maven-site-plugin/">maven-site-plugin</a></td>
-<td>3.5</td></tr>
+<td><a class="externalLink" href="https://maven.apache.org/plugins/maven-site-plugin/">maven-site-plugin</a></td>
+<td>3.7.1</td></tr>
<tr class="b">
<td>org.apache.maven.plugins</td>
<td><a class="externalLink" href="http://maven.apache.org/surefire/maven-surefire-plugin/">maven-surefire-plugin</a></td>
@@ -247,14 +247,10 @@
<td><a class="externalLink" href="http://maven.apache.org/surefire/maven-surefire-report-plugin/">maven-surefire-report-plugin</a></td>
<td>2.19</td></tr>
<tr class="b">
-<td>org.apache.rat</td>
-<td><a class="externalLink" href="http://creadur.apache.org/rat/apache-rat-plugin/">apache-rat-plugin</a></td>
-<td>0.12</td></tr>
-<tr class="a">
<td>org.codehaus.mojo</td>
<td><a class="externalLink" href="http://mojo.codehaus.org/cobertura-maven-plugin/">cobertura-maven-plugin</a></td>
<td>2.7</td></tr>
-<tr class="b">
+<tr class="a">
<td>org.eluder.coveralls</td>
<td><a class="externalLink" href="https://github.com/trautonen/coveralls-maven-plugin">coveralls-maven-plugin</a></td>
<td>4.1.0</td></tr></table></div>
@@ -278,6 +274,10 @@
<td><a class="externalLink" href="http://maven.apache.org/plugins/maven-pmd-plugin/">maven-pmd-plugin</a></td>
<td>3.4</td></tr>
<tr class="a">
+<td>org.apache.maven.plugins</td>
+<td><a class="externalLink" href="https://maven.apache.org/plugins/maven-project-info-reports-plugin/">maven-project-info-reports-plugin</a></td>
+<td>3.0.0</td></tr>
+<tr class="b">
<td>org.codehaus.mojo</td>
<td><a class="externalLink" href="http://gleclaire.github.io/findbugs-maven-plugin/">findbugs-maven-plugin</a></td>
<td>3.0.1</td></tr></table></div>