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Posted to commits@slider.apache.org by bi...@apache.org on 2014/05/30 18:47:16 UTC
svn commit: r1598665 [16/16] - in /incubator/slider/site/content: ./
architecture/ configuration/ css/ developing/ images/ images/logos/
images/profiles/ img/ js/ registry/ release_notes/ slider_specs/
specification/
Added: incubator/slider/site/content/team-list.html
URL: http://svn.apache.org/viewvc/incubator/slider/site/content/team-list.html?rev=1598665&view=auto
==============================================================================
--- incubator/slider/site/content/team-list.html (added)
+++ incubator/slider/site/content/team-list.html Fri May 30 16:47:13 2014
@@ -0,0 +1,316 @@
+<!DOCTYPE html>
+<!--
+ | Generated by Apache Maven Doxia at 2014-05-30
+ | Rendered using Apache Maven Fluido Skin 1.3.0
+-->
+<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="20140530" />
+ <meta http-equiv="Content-Language" content="en" />
+ <title>Apache Slider 0.30 (incubating) - Team list</title>
+ <link rel="stylesheet" href="./css/apache-maven-fluido-1.3.0.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-1.3.0.min.js"></script>
+
+
+ </head>
+ <body class="topBarEnabled">
+
+
+
+
+
+ <div id="topbar" class="navbar navbar-fixed-top ">
+ <div class="navbar-inner">
+ <div class="container"><div class="nav-collapse">
+
+
+ <ul class="nav">
+ <li class="dropdown">
+ <a href="#" class="dropdown-toggle" data-toggle="dropdown">Project Documentation <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="index.html" title="About">About</a>
+</li>
+ <li> <a href="plugin-management.html" title="Plugin Management">Plugin Management</a>
+</li>
+ <li> <a href="distribution-management.html" title="Distribution Management">Distribution Management</a>
+</li>
+ <li> <a href="dependency-info.html" title="Dependency Information">Dependency Information</a>
+</li>
+ <li> <a href="dependency-convergence.html" title="Dependency Convergence">Dependency Convergence</a>
+</li>
+ <li> <a href="source-repository.html" title="Source Repository">Source Repository</a>
+</li>
+ <li> <a href="mail-lists.html" title="Mailing Lists">Mailing Lists</a>
+</li>
+ <li> <a href="issue-tracking.html" title="Issue Tracking">Issue Tracking</a>
+</li>
+ <li> <a href="integration.html" title="Continuous Integration">Continuous Integration</a>
+</li>
+ <li> <a href="plugins.html" title="Project Plugins">Project Plugins</a>
+</li>
+ <li> <a href="license.html" title="Project License">Project License</a>
+</li>
+ <li> <a href="modules.html" title="Project Modules">Project Modules</a>
+</li>
+ <li> <a href="dependency-management.html" title="Dependency Management">Dependency Management</a>
+</li>
+ <li> <a href="team-list.html" title="Project Team">Project Team</a>
+</li>
+ <li> <a href="project-summary.html" title="Project Summary">Project Summary</a>
+</li>
+ <li> <a href="dependencies.html" title="Dependencies">Dependencies</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="surefire-report.html" title="Surefire Report">Surefire Report</a>
+</li>
+ </ul>
+ </li>
+ </ul>
+ </li>
+ <li class="dropdown">
+ <a href="#" class="dropdown-toggle" data-toggle="dropdown">Documents <b class="caret"></b></a>
+ <ul class="dropdown-menu">
+
+ <li> <a href="getting_started.html" title="Getting Started">Getting Started</a>
+</li>
+
+ <li> <a href="manpage.html" title="manpage">manpage</a>
+</li>
+
+ <li> <a href="troubleshooting.html" title="Troubleshooting">Troubleshooting</a>
+</li>
+
+ <li> <a href="architecture/index.html" title="Architecture">Architecture</a>
+</li>
+
+ <li> <a href="developing/index.html" title="Developing">Developing</a>
+</li>
+
+ <li> <a href="exitcodes.html" title="Exitcodes">Exitcodes</a>
+</li>
+ </ul>
+ </li>
+ </ul>
+
+
+
+
+ </div>
+
+ </div>
+ </div>
+ </div>
+
+ <div class="container">
+ <div id="banner">
+ <div class="pull-left">
+ <a href="./" id="bannerLeft">
+ <h2>Apache Slider (incubating)</h2>
+ </a>
+ </div>
+ <div class="pull-right"> <div id="bannerRight">
+ <img src="http://incubator.apache.org/images/apache-incubator-logo.png" />
+ </div>
+ </div>
+ <div class="clear"><hr/></div>
+ </div>
+
+ <div id="breadcrumbs">
+ <ul class="breadcrumb">
+
+
+ <li id="publishDate">Last Published: 2014-05-30</li>
+
+
+
+ <li id="projectVersion" class="pull-right">Version: 0.30</li>
+
+ </ul>
+ </div>
+
+
+
+ <div id="bodyColumn" >
+
+ <div class="section">
+<h2>The Team<a name="The_Team"></a></h2><a name="The_Team"></a>
+<p>A successful project requires many people to play many roles. Some members write code or documentation, while others are valuable as testers, submitting patches and suggestions.</p>
+<p>The team is comprised of Members and Contributors. Members have direct access to the source of a project and actively evolve the code-base. Contributors improve the project through submission of patches and suggestions to the Members. The number of Contributors to the project is unbounded. Get involved today. All contributions to the project are greatly appreciated.</p>
+<div class="section">
+<h3>Members<a name="Members"></a></h3><a name="Members"></a>
+<p>The following is a list of developers with commit privileges that have directly contributed to the project in one way or another.</p>
+<table border="0" class="table table-striped">
+<tr class="a">
+<th>Id</th>
+<th>Name</th>
+<th>Organization</th>
+<th>Organization URL</th>
+<th>Roles</th>
+<th>Time Zone</th>
+<th>Actual Time (GMT)</th></tr>
+<tr class="b">
+<td><a name="stevel"></a>stevel</td>
+<td>Steve Loughran</td>
+<td>Hortonworks</td>
+<td><a class="externalLink" href="http://www.hortonworks.com">http://www.hortonworks.com</a></td>
+<td>PPMC Chair</td>
+<td>0</td>
+<td><span id="developer-0">0</span></td></tr>
+<tr class="a">
+<td><a name="billie"></a>billie</td>
+<td>Billie Rinaldi</td>
+<td>Hortonworks</td>
+<td><a class="externalLink" href="http://www.hortonworks.com">http://www.hortonworks.com</a></td>
+<td>PPMC Member</td>
+<td>-5</td>
+<td><span id="developer-1">-5</span></td></tr>
+<tr class="b">
+<td><a name="ddas"></a>ddas</td>
+<td>Devaraj Das</td>
+<td>Hortonworks</td>
+<td><a class="externalLink" href="http://www.hortonworks.com">http://www.hortonworks.com</a></td>
+<td>PPMC Member</td>
+<td>-8</td>
+<td><span id="developer-2">-8</span></td></tr>
+<tr class="a">
+<td><a name="tedyu"></a>tedyu</td>
+<td>Ted Yu</td>
+<td>Hortonworks</td>
+<td><a class="externalLink" href="http://www.hortonworks.com">http://www.hortonworks.com</a></td>
+<td>PPMC Member</td>
+<td>-8</td>
+<td><span id="developer-3">-8</span></td></tr>
+<tr class="b">
+<td><a name="elserj"></a>elserj</td>
+<td>Josh Elser</td>
+<td>Hortonworks</td>
+<td><a class="externalLink" href="http://www.hortonworks.com">http://www.hortonworks.com</a></td>
+<td>PPMC Member</td>
+<td>-5</td>
+<td><span id="developer-4">-5</span></td></tr>
+<tr class="a">
+<td><a name="smohanty"></a>smohanty</td>
+<td>Sumit Mohanty</td>
+<td>Hortonworks</td>
+<td><a class="externalLink" href="http://www.hortonworks.com">http://www.hortonworks.com</a></td>
+<td>PPMC Member</td>
+<td>-8</td>
+<td><span id="developer-5">-8</span></td></tr>
+<tr class="b">
+<td><a name="jmaron"></a>jmaron</td>
+<td>Jon Maron</td>
+<td>Hortonworks</td>
+<td><a class="externalLink" href="http://www.hortonworks.com">http://www.hortonworks.com</a></td>
+<td>PPMC Member</td>
+<td>-5</td>
+<td><span id="developer-6">-5</span></td></tr>
+<tr class="a">
+<td><a name="vinodkv"></a>vinodkv</td>
+<td>Vinod Kumar Vavilapalli</td>
+<td>Hortonworks</td>
+<td><a class="externalLink" href="http://www.hortonworks.com">http://www.hortonworks.com</a></td>
+<td>Mentor</td>
+<td>-8</td>
+<td><span id="developer-7">-8</span></td></tr>
+<tr class="b">
+<td><a name="jbonofre"></a>jbonofre</td>
+<td>Jean-Baptiste Onofré</td>
+<td>Talend</td>
+<td><a class="externalLink" href="http://www.talend.com">http://www.talend.com</a></td>
+<td>Mentor</td>
+<td>-</td>
+<td><span id="developer-8">-</span></td></tr>
+<tr class="a">
+<td><a name="mahadev"></a>mahadev</td>
+<td>Mahadev Konar</td>
+<td>Hortonworks</td>
+<td><a class="externalLink" href="http://www.hortonworks.com">http://www.hortonworks.com</a></td>
+<td>Mentor</td>
+<td>-8</td>
+<td><span id="developer-9">-8</span></td></tr>
+<tr class="b">
+<td><a name="acmurthy"></a>acmurthy</td>
+<td>Arun Murthy</td>
+<td>Hortonworks</td>
+<td><a class="externalLink" href="http://www.hortonworks.com">http://www.hortonworks.com</a></td>
+<td>Mentor</td>
+<td>-8</td>
+<td><span id="developer-10">-8</span></td></tr>
+<tr class="a">
+<td><a name="ddas"></a>ddas</td>
+<td>Devaraj Das</td>
+<td>Hortonworks</td>
+<td><a class="externalLink" href="http://www.hortonworks.com">http://www.hortonworks.com</a></td>
+<td>Mentor</td>
+<td>-8</td>
+<td><span id="developer-11">-8</span></td></tr></table></div>
+<div class="section">
+<h3>Contributors<a name="Contributors"></a></h3><a name="Contributors"></a>
+<p>There are no contributors listed for this project. Please check back again later.</p><script type="text/javascript">
+function offsetDate(id, offset) {
+ var now = new Date();
+ var nowTime = now.getTime();
+ var localOffset = now.getTimezoneOffset();
+ var developerTime = nowTime + ( offset * 60 * 60 * 1000 )+ ( localOffset * 60 * 1000 );
+ var developerDate = new Date(developerTime);
+
+ document.getElementById(id).innerHTML = developerDate;
+}
+
+function init(){
+ offsetDate('developer-0', '0');
+ offsetDate('developer-1', '-5');
+ offsetDate('developer-2', '-8');
+ offsetDate('developer-3', '-8');
+ offsetDate('developer-4', '-5');
+ offsetDate('developer-5', '-8');
+ offsetDate('developer-6', '-5');
+ offsetDate('developer-7', '-8');
+ offsetDate('developer-9', '-8');
+ offsetDate('developer-10', '-8');
+ offsetDate('developer-11', '-8');
+}
+
+window.onLoad = init();
+</script></div></div>
+ </div>
+ </div>
+
+ <hr/>
+
+ <footer>
+ <div class="container">
+ <div class="row span12">Copyright © 2014
+ <a href="http://www.apache.org/">The Apache Software Foundation</a>.
+ All Rights Reserved.
+
+ </div>
+
+ <?xml version="1.0" encoding="UTF-8"?>
+<div class="row-fluid">Apache Slider, Slider, Apache, and the Apache Incubator logo are trademarks of The Apache Software Foundation.</div>
+
+ <p id="poweredBy" class="pull-right">
+ <a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy">
+ <img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" />
+ </a>
+ </p>
+
+ </div>
+ </footer>
+ </body>
+</html>
Propchange: incubator/slider/site/content/team-list.html
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svn:eol-style = native
Added: incubator/slider/site/content/troubleshooting.html
URL: http://svn.apache.org/viewvc/incubator/slider/site/content/troubleshooting.html?rev=1598665&view=auto
==============================================================================
--- incubator/slider/site/content/troubleshooting.html (added)
+++ incubator/slider/site/content/troubleshooting.html Fri May 30 16:47:13 2014
@@ -0,0 +1,285 @@
+<!DOCTYPE html>
+<!--
+ | Generated by Apache Maven Doxia at 2014-05-30
+ | Rendered using Apache Maven Fluido Skin 1.3.0
+-->
+<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="20140530" />
+ <meta http-equiv="Content-Language" content="en" />
+ <title>Apache Slider 0.30 (incubating) - </title>
+ <link rel="stylesheet" href="./css/apache-maven-fluido-1.3.0.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-1.3.0.min.js"></script>
+
+
+ </head>
+ <body class="topBarEnabled">
+
+
+
+
+
+ <div id="topbar" class="navbar navbar-fixed-top ">
+ <div class="navbar-inner">
+ <div class="container"><div class="nav-collapse">
+
+
+ <ul class="nav">
+ <li class="dropdown">
+ <a href="#" class="dropdown-toggle" data-toggle="dropdown">Project Documentation <b class="caret"></b></a>
+ <ul class="dropdown-menu">
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+ <a href="project-info.html" title="Project Information">Project Information</a>
+ <ul class="dropdown-menu">
+ <li> <a href="index.html" title="About">About</a>
+</li>
+ <li> <a href="plugin-management.html" title="Plugin Management">Plugin Management</a>
+</li>
+ <li> <a href="distribution-management.html" title="Distribution Management">Distribution Management</a>
+</li>
+ <li> <a href="dependency-info.html" title="Dependency Information">Dependency Information</a>
+</li>
+ <li> <a href="dependency-convergence.html" title="Dependency Convergence">Dependency Convergence</a>
+</li>
+ <li> <a href="source-repository.html" title="Source Repository">Source Repository</a>
+</li>
+ <li> <a href="mail-lists.html" title="Mailing Lists">Mailing Lists</a>
+</li>
+ <li> <a href="issue-tracking.html" title="Issue Tracking">Issue Tracking</a>
+</li>
+ <li> <a href="integration.html" title="Continuous Integration">Continuous Integration</a>
+</li>
+ <li> <a href="plugins.html" title="Project Plugins">Project Plugins</a>
+</li>
+ <li> <a href="license.html" title="Project License">Project License</a>
+</li>
+ <li> <a href="modules.html" title="Project Modules">Project Modules</a>
+</li>
+ <li> <a href="dependency-management.html" title="Dependency Management">Dependency Management</a>
+</li>
+ <li> <a href="team-list.html" title="Project Team">Project Team</a>
+</li>
+ <li> <a href="project-summary.html" title="Project Summary">Project Summary</a>
+</li>
+ <li> <a href="dependencies.html" title="Dependencies">Dependencies</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="surefire-report.html" title="Surefire Report">Surefire Report</a>
+</li>
+ </ul>
+ </li>
+ </ul>
+ </li>
+ <li class="dropdown">
+ <a href="#" class="dropdown-toggle" data-toggle="dropdown">Documents <b class="caret"></b></a>
+ <ul class="dropdown-menu">
+
+ <li> <a href="getting_started.html" title="Getting Started">Getting Started</a>
+</li>
+
+ <li> <a href="manpage.html" title="manpage">manpage</a>
+</li>
+
+ <li> <a href="troubleshooting.html" title="Troubleshooting">Troubleshooting</a>
+</li>
+
+ <li> <a href="architecture/index.html" title="Architecture">Architecture</a>
+</li>
+
+ <li> <a href="developing/index.html" title="Developing">Developing</a>
+</li>
+
+ <li> <a href="exitcodes.html" title="Exitcodes">Exitcodes</a>
+</li>
+ </ul>
+ </li>
+ </ul>
+
+
+
+
+ </div>
+
+ </div>
+ </div>
+ </div>
+
+ <div class="container">
+ <div id="banner">
+ <div class="pull-left">
+ <a href="./" id="bannerLeft">
+ <h2>Apache Slider (incubating)</h2>
+ </a>
+ </div>
+ <div class="pull-right"> <div id="bannerRight">
+ <img src="http://incubator.apache.org/images/apache-incubator-logo.png" />
+ </div>
+ </div>
+ <div class="clear"><hr/></div>
+ </div>
+
+ <div id="breadcrumbs">
+ <ul class="breadcrumb">
+
+
+ <li id="publishDate">Last Published: 2014-05-30</li>
+
+
+
+ <li id="projectVersion" class="pull-right">Version: 0.30</li>
+
+ </ul>
+ </div>
+
+
+
+ <div id="bodyColumn" >
+
+ <!-- -
+ 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. --><h1>Apache Slider Troubleshooting</h1>
+<p>Slider can be tricky to start using, because it combines the need to set up a YARN application, with the need to have an HBase configuration that works</p>
+<div class="section">
+<div class="section">
+<h3>Common problems<a name="Common_problems"></a></h3></div></div>
+<div class="section">
+<h2>Classpath for Slider AM wrong<a name="Classpath_for_Slider_AM_wrong"></a></h2>
+<p>The Slider Application Master, the “Slider AM” builds up its classpath from those JARs it has locally, and the JARS pre-installed on the classpath</p>
+<p>This often surfaces in an exception that can be summarized as “hadoop-common.jar is not on the classpath”:</p>
+
+<div class="source">
+<pre>Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/hadoop/util/ExitUtil$ExitException
+Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.util.ExitUtil$ExitException
+ at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
+ at java.security.AccessController.doPrivileged(Native Method)
+ at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
+ at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
+ at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
+ at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
+Could not find the main class: org.apache.hadoop.yarn.service.launcher.ServiceLauncher. Program will exit.
+</pre></div>
+<p>For ambari-managed deployments, we recommend the following</p>
+
+<div class="source">
+<pre> <property>
+ <name>yarn.application.classpath</name>
+ <value>
+ /etc/hadoop/conf,/usr/lib/hadoop/*,/usr/lib/hadoop/lib/*,/usr/lib/hadoop-hdfs/*,/usr/lib/hadoop-hdfs/lib/*,/usr/lib/hadoop-yarn/*,/usr/lib/hadoop-yarn/lib/*,/usr/lib/hadoop-mapreduce/*,/usr/lib/hadoop-mapreduce/lib/*
+ </value>
+ </property>
+</pre></div>
+<p>The <tt>yarn-site.xml</tt> file for the site will contain the relevant value.</p>
+<div class="section">
+<h3>Application Instantiation fails, “TriggerClusterTeardownException: Unstable Cluster”<a name="Application_Instantiation_fails_TriggerClusterTeardownException:_Unstable_Cluster"></a></h3>
+<p>Slider gives up if it cannot keep enough instances of a role running -or more precisely, if they keep failing. </p>
+<p>If this happens on cluster startup, it means that the application is not working</p>
+
+<div class="source">
+<pre> org.apache.slider.core.exceptions.TriggerClusterTeardownException: Unstable Cluster:
+ - failed with role worker failing 4 times (4 in startup); threshold is 2
+ - last failure: Failure container_1386872971874_0001_01_000006 on host 192.168.1.86,
+ see http://hor12n22.gq1.ygridcore.net:19888/jobhistory/logs/192.168.1.86:45454/container_1386872971874_0001_01_000006/ctx/yarn
+</pre></div>
+<p>This message warns that a role -here worker- is failing to start and it has failed more than the configured failure threshold is. What it doesn’t do is say why it failed, because that is not something the AM knows -that is a fact hidden in the logs on the container that failed.</p>
+<p>The final bit of the exception message can help you track down the problem, as it points you to the logs.</p>
+<p>In the example above the failure was in <tt>container_1386872971874_0001_01_000006</tt> on the host <tt>192.168.1.86</tt>. If you go to then node manager on that machine (the YARN RM web page will let you do this), and look for that container, you may be able to grab the logs from it. </p>
+<p>A quicker way is to browse to the URL on the next line. Note: the URL depends on yarn.log.server.url being properly configured.</p>
+<p>It is from those logs that the cause of the problem -because they are the actual output of the actual application which Slider is trying to deploy.</p></div>
+<div class="section">
+<h3>Not all the containers start -but whenever you kill one, another one comes up.<a name="Not_all_the_containers_start_-but_whenever_you_kill_one_another_one_comes_up."></a></h3>
+<p>This is often caused by YARN not having enough capacity in the cluster to start up the requested set of containers. The AM has submitted a list of container requests to YARN, but only when an existing container is released or killed is one of the outstanding requests granted.</p>
+<p>Fix #1: Ask for smaller containers</p>
+<p>edit the <tt>yarn.memory</tt> option for roles to be smaller: set it 64 for a smaller YARN allocation. <i>This does not affect the actual heap size of the application component deployed</i></p>
+<p>Fix #2: Tell YARN to be less strict about memory consumption</p>
+<p>Here are the properties in <tt>yarn-site.xml</tt> which we set to allow YARN to schedule more role instances than it nominally has room for.</p>
+
+<div class="source">
+<pre><property>
+ <name>yarn.scheduler.minimum-allocation-mb</name>
+ <value>1</value>
+</property>
+<property>
+ <description>Whether physical memory limits will be enforced for
+ containers.
+ </description>
+ <name>yarn.nodemanager.pmem-check-enabled</name>
+ <value>false</value>
+</property>
+<!-- we really don't want checking here-->
+<property>
+ <name>yarn.nodemanager.vmem-check-enabled</name>
+ <value>false</value>
+</property>
+</pre></div>
+<p>If you create too many instances, your hosts will start swapping and performance will collapse -we do not recommend using this in production.</p></div>
+<div class="section">
+<h3>Configuring YARN for better debugging<a name="Configuring_YARN_for_better_debugging"></a></h3>
+<p>One configuration to aid debugging is tell the nodemanagers to keep data for a short period after containers finish</p>
+
+<div class="source">
+<pre><!-- 10 minutes after a failure to see what is left in the directory-->
+<property>
+ <name>yarn.nodemanager.delete.debug-delay-sec</name>
+ <value>600</value>
+</property>
+</pre></div>
+<p>You can then retrieve logs by either the web UI, or by connecting to the server (usually by <tt>ssh</tt>) and retrieve the logs from the log directory</p>
+<p>We also recommend making sure that YARN kills processes</p>
+
+<div class="source">
+<pre><!--time before the process gets a -9 -->
+<property>
+ <name>yarn.nodemanager.sleep-delay-before-sigkill.ms</name>
+ <value>30000</value>
+</property>
+</pre></div></div></div>
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