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From yus...@apache.org
Subject svn commit: r1432371 [14/24] - in /incubator/ambari/site: ./ installing-hadoop-using-ambari/ installing-hadoop-using-ambari/common/ installing-hadoop-using-ambari/common/css/ installing-hadoop-using-ambari/common/images/ installing-hadoop-using-ambari/...
Date Sat, 12 Jan 2013 03:36:42 GMT
Added: incubator/ambari/site/installing-hadoop-using-ambari/content/ambari-chap3-7-7.html
URL: http://svn.apache.org/viewvc/incubator/ambari/site/installing-hadoop-using-ambari/content/ambari-chap3-7-7.html?rev=1432371&view=auto
==============================================================================
--- incubator/ambari/site/installing-hadoop-using-ambari/content/ambari-chap3-7-7.html (added)
+++ incubator/ambari/site/installing-hadoop-using-ambari/content/ambari-chap3-7-7.html Sat Jan 12 03:36:38 2013
@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE html
+  PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xmlns:exsl="http://exslt.org/common" xmlns:ng="http://docbook.org/docbook-ng" xmlns:fb="http://ogp.me/ns/fb#"><head>
+<meta http-equiv="X-UA-Compatible" content="IE=7"/>
+<title>8.7. Oozie 
+    </title><meta name="generator" content="DocBook XSL-NS Stylesheets V1.76.1"/><meta name="mavenGroupId" content="docs"/><meta name="mavenArtifactId" content="HDP_HMC"/><meta name="mavenVersionId" content="1.2.0"/><link rel="home" href="index.html" title=""/><link rel="up" href="ambari-chap3-7.html" title="8. Customize Services"/><link rel="prev" href="ambari-chap3-7-6.html" title="8.6. ZooKeeper"/><link rel="next" href="ambari-chap3-7-9.html" title="8.8. Nagios"/><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><script type="text/javascript">
+            //The id for tree cookie
+            var treeCookieId = "treeview-3458";
+            var language = "en";
+            var w = new Object();
+            //Localization
+            txt_filesfound = 'Results';
+            txt_enter_at_least_1_char = "You must enter at least one character.";
+            txt_browser_not_supported = "Your browser is not supported. Use of Mozilla Firefox is recommended.";
+            txt_please_wait = "Please wait. Search in progress...";
+            txt_results_for = "Results for: ";
+        </script><style type="text/css">
+            input {
+            margin-bottom: 5px;
+            margin-top: 2px;
+            }
+
+            .folder {
+            display: block;
+            height: 22px;
+            padding-left: 20px;
+            background: transparent url(../common/jquery/treeview/images/folder.gif) 0 0px no-repeat;
+            }
+            
+        </style><link rel="shortcut icon" href="../favicon.ico" type="image/x-icon"/><link rel="stylesheet" type="text/css" href="../common/css/positioning.css"/><link rel="stylesheet" type="text/css" href="../common/css/custom.css"/><!--[if IE]>
+	<link rel="stylesheet" type="text/css" href="../common/css/ie.css"/>
+	<![endif]--><link rel="stylesheet" type="text/css" href="../common/jquery/theme-redmond/jquery-ui-1.8.2.custom.css"/><link rel="stylesheet" type="text/css" href="../common/jquery/treeview/jquery.treeview.css"/><script type="text/javascript" src="../common/jquery/jquery-1.4.3.min.js"><!----></script><script type="text/javascript" src="../common/jquery/jquery-ui-1.8.2.custom.min.js"><!----></script><script type="text/javascript" src="../common/jquery/jquery.cookie.js"><!----></script><script type="text/javascript" src="../common/jquery/treeview/jquery.treeview.min.js"><!----></script><script type="text/javascript" src="../common/jquery/jquery.qtip-1.0.0-rc3/jquery.qtip-1.0.0-rc3.min.js"><!--jQuery plugin for glossary popups. --></script><script type="text/javascript" src="search/htmlFileList.js"><!----></script><script type="text/javascript" src="search/htmlFileInfoList.js"><!----></script><script type="text/javascript" src="search/nwSearchFnt.js"><!----></script><script type
 ="text/javascript" src="search/stemmers/en_stemmer.js"><!--//make this scalable to other languages as well.--></script><script type="text/javascript" src="search/index-1.js"><!----></script><script type="text/javascript" src="search/index-2.js"><!----></script><script type="text/javascript" src="search/index-3.js"><!----></script></head><body><div id="header"><a onclick="_gaq.push(['_trackEvent', 'Header', 'logo', 'click', 1]);" target="_blank" href="http://incubator.apache.org/ambari/"><img src="../common/images/ambari-logo.png" alt="Ambari" width="60" height="60"/></a><h1>8.7. Oozie</h1><div id="navheader" align="right"><!----><table class="navLinks"><tr><td><a id="showHideButton" onclick="showHideToc(); _gaq.push(['_trackEvent', 'Header', 'show/hide', 'click', 1]);" class="pointLeft" title="Hide TOC tree">Sidebar
+                            </a></td><td><a accesskey="p" class="navLinkPrevious" onclick="_gaq.push(['_trackEvent', 'Header', 'prevLink', 'click', 1]);" tabindex="5" href="ambari-chap3-7-6.html">Prev</a>
+				      |
+                                        <a accesskey="u" class="navLinkUp" onclick="_gaq.push(['_trackEvent', 'Header', 'upLink', 'click', 1]);" tabindex="5" href="ambari-chap3-7.html">Up</a>
+				  |
+                                    <a accesskey="n" class="navLinkNext" onclick="_gaq.push(['_trackEvent', 'Header', 'nextLink', 'click', 1]);" tabindex="5" href="ambari-chap3-7-9.html">Next</a></td></tr></table></div></div><div id="toolbar" class="ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all"><div id="toolbar-left"><p class="breadcrumbs"><a href="http://incubator.apache.org/ambari/">Ambari</a><a href="index.html">Ambari User Guide</a></p></div></div><div id="content"><div class="statustext"> </div><div class="section"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="ambari-chap3-7-7"> </a>8.7. Oozie</h3></div></div></div><p>This screen covers Oozie settings. Here you can set properties for the Oozie server, as well
+as some advanced properties. Click the name of the group to expand and collapse the display.</p><div class="table"><a id="d6e1561"> </a><p class="title"><strong>Table 3.19. Oozie Settings: Oozie Server</strong></p><div class="table-contents"><table summary="Oozie Settings: Oozie Server" border="1"><colgroup><col/><col/></colgroup><thead><tr><th align="center">Name</th><th align="center">Notes</th></tr></thead><tbody><tr><td align="left">
+<p>Oozie Server host</p>
+</td><td align="left">
+<p>This value is prepopulated based on your choices on previous screens</p>
+</td></tr><tr><td align="left">
+<p>Oozie Data Dir</p>
+</td><td align="left">
+<p>Data directory in which the Oozie DB exists. </p>
+</td></tr></tbody></table></div></div><br class="table-break"/><div class="table"><a id="d6e1579"> </a><p class="title"><strong>Table 3.20. Oozie Settings: Advanced</strong></p><div class="table-contents"><table summary="Oozie Settings: Advanced" border="1"><colgroup><col/><col/></colgroup><thead><tr><th align="center">Name</th><th align="center">Notes</th></tr></thead><tbody><tr><td align="left"> Oozie Log Dir </td><td align="left">Directory for Oozie logs</td></tr><tr><td align="left"> Oozie PID Dir </td><td align="left">Directory for the PID files for Oozie processes</td></tr><tr><td align="left"> oozie.system.id </td><td align="left">The Oozie system ID</td></tr><tr><td align="left"> oozie.systemmode </td><td align="left">System mode for Oozie at startup</td></tr><tr><td align="left"> oozie.service.AuthorizationService.security.enabled </td><td align="left">If security (username/admin role) is enabled or not. If disabled, any user can manage Oozie
+system and any job.</td></tr><tr><td align="left"> oozie.service.PurgeService.older.than </td><td align="left">Jobs older than this value in days will be purged by the PurgeService.</td></tr><tr><td align="left"> oozie.service.PurgeService.purge.interval </td><td align="left">Interval at which the PurgeService will run, given in seconds</td></tr><tr><td align="left"> oozie.service.CallableQueueService.queue.size </td><td align="left">Max callable queue size</td></tr><tr><td align="left"> oozie.service.CallableQueueService.threads </td><td align="left">Number of threads for executing callables.</td></tr><tr><td align="left"> oozie.service.CallableQueueService.callable.concurrency </td><td align="left">Maximum concurency for a given callable type.  Each command is a callable type: submit,
+start, run, etc. Each action type is a callable type: MapReduce, SSH, sub-workflow, etc. All
+commands that use action executors (action-start, action-end. etc.) use the action type as the
+callable type.</td></tr><tr><td align="left"> oozie.service.coord.normal.default.timeout </td><td align="left">Default timeout for a coordinator action input check (in minutes) for a normal job. Set to -1
+for infinite timeout.</td></tr><tr><td align="left">oozie.db.schema.name</td><td align="left">Oozie database name</td></tr><tr><td align="left"> oozie.service.HadoopAccessorService.jobTracker.whitelist </td><td align="left"> Whitelisted job tracker for Oozie service</td></tr><tr><td align="left"> oozie.authentication.type </td><td align="left">Defines authentication for Oozie HTTP endpoint. One of <code class="literal">simple</code> | <code class="literal">kerberbos</code>
+|#AUTHENTICATION_HANDLER_CLASSNAME#</td></tr><tr><td align="left">oozie.service.HadoopAccessorService.nameNode.whitelist</td><td align="left"> </td></tr><tr><td align="left">oozie.service.WorkflowAppService.system.libpath</td><td align="left">System library path to use for workflow applications.  This path is added to workflow
+applications if the <code class="literal">oozie.use.system.libpath</code> property in their job properties is set to
+<code class="literal">true</code>.</td></tr><tr><td align="left">use.system.libpath.for.mapreduce.and.pig.jobs</td><td align="left">If <code class="literal">true</code>, submissions of MapReduce and Pig jobs automatically include the system library path.
+Doing so means that users do not need to specify where the Pig .jar files are because the ones that
+are in the system library path are used.</td></tr><tr><td align="left"> oozie.authentication.kerberos.name.rules </td><td align="left">The name rules to resolve Kerberos principal names.  See Hadoop's Kerberos Name for more
+details.</td></tr><tr><td align="left">oozie.service.HadoopAccessorService.
+hadoop.configurations</td><td align="left">Comma-separated list of form AUTHORITY=HADOOP_CONF_DIF, where AUTHORITY is the host/port of
+the Hadoop service (JobTracker, HDFS). The wildcard <code class="literal">*</code> configuration is used when
+there is no exact match for an authority.  The HADOOP_CONF_DIR contains the relevant
+Hadoop*-site.xml files.  A relative path is assumed to begin in the Oozie configuration directory.
+The path can also be absolute and point to Hadoop client conf/directories in the local
+filesystem.</td></tr><tr><td align="left"> oozie.service.ActionService.executor.ext.classes </td><td align="left"> </td></tr><tr><td align="left"> oozie.service.SchemaService.wf.ext.schemas</td><td align="left"> </td></tr><tr><td align="left">oozie.service.JPAService.create.db.schema</td><td align="left">Creates the Oozie DB. If set to <code class="literal">true</code> it creates the DB schema if it does
+not exist. If the DB schema exists, it is a NOP. If set to <code class="literal">false</code>, it does not
+create the DB schema. <span class="bold"><strong>Note</strong></span>: if the DB schema does not exist, start
+up fails.</td></tr><tr><td align="left">oozie.service.JPAService.jdbc.driver</td><td align="left">The JDBC driver class</td></tr><tr><td align="left">oozie.service.JPAService.jdbc.url</td><td align="left">The JDBC URL</td></tr><tr><td align="left">oozie.service.JPAService.jdbc.username</td><td align="left">The DB username</td></tr><tr><td align="left">oozie.service.JPAService.jdbc.password</td><td align="left">The DB user password.  <span class="bold"><strong>IMPORTANT</strong></span>: If the password is empty,
+leave a 1 space string.  The service trims the value, and if it is empty, the configuration assumes
+it is NULL.</td></tr><tr><td align="left">oozie.service.JPAService.pool.max.active.conn</td><td align="left">Maximum number of connections</td></tr><tr><td align="left"> Custom Oozie Configs </td><td align="left">Use this text box to enter values for oozie-site.xml properties not exposed by the UI. Enter
+in "key=value" format, with a newline as a delimiter between pairs.</td></tr></tbody></table></div></div><br class="table-break"/></div><script type="text/javascript" src="../common/main.js"><!----></script><hr/></div><div><div id="leftnavigation" style="padding-top:3px; background-color:white;"><div id="tabs"><ul><li><a href="#treeDiv" tabindex="1"><span class="contentsTab">Contents</span></a></li><li><a href="#searchDiv" tabindex="1"><span class="searchTab">Search</span></a></li></ul><div id="treeDiv"><img src="../common/images/loading.gif" alt="loading table of contents..." id="tocLoading" style="display:block;"/><div id="ulTreeDiv" style="display:none" class="thisisthat"><ul id="tree" class="filetree"><li tabindex="2"><span class="file"><a href="ambari-chap1.html">1. Getting Ready to Install</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap1-1.html">1. Understand the Basics</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-2.ht
 ml">2. Meet Minimum System Requirements</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap1-2.html#ambari-chap1-2-1">2.1. Hardware Recommendations</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-2.html#ambari-chap1-2-2">2.2. Operating Systems Requirements</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-2.html#ambari-chap1-2-3">2.3. Browser Requirements</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-2.html#ambari-chap1-2-4">2.4. Software Requirements</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-2.html#ambari-chap1-2-5">2.5. Database Requirements</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap1-3.html">3. Decide on Deployment Type</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-4.html">4. Collect Information</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5.html">5. Prepar
 e the Environment</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap1-5-1.html">5.1. Check Existing Installs</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5-2.html">5.2. Set Up Password-less SSH</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5-3.html">5.3. Enable NTP on the Cluster</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5-4.html">5.4. Check DNS</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5-5.html">5.5. Disable SELinux</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5-6.html">5.6. Disable iptables</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap1-6.html">6. Optional: Configure the Local Repositories</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap2.html">2. Running the Installer</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap2-1.h
 tml">1. Set Up the Bits</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap2.1.1.html">1.1. RHEL/CentOS 5.x</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap2.1.2.html">1.2. RHEL/CentOS 6.x</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap2.1.3.html">1.3. SLES 11</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap2-2.html">2. Set Up the  Server</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap2-2-1.html">2.1. Setup Options</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap2-3.html">3. Start the Ambari Server</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap3.html">3. Installing, Configuring, and Deploying the Cluster</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap3-1.html">1. Log into Apache Ambari</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-2.html">
 2. Welcome</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-3.html">3. Install Options</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-4.html">4. Confirm Hosts</a></span></li><li tabindex="2"><span class="file"><a href="ch03s05.html">5. Choose Services</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-5.html">6. Assign Masters</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-6.html">7. Assign Slaves and Clients</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7.html">8. Customize Services</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap3-7-1.html">8.1. HDFS</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-2.html">8.2. MapReduce</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-3.html">8.3. Hive/HCat </a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-4.html">8.4
 . WebHCat</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-5.html">8.5. HBase</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-6.html">8.6. ZooKeeper</a></span></li><li tabindex="2" id="webhelp-currentid"><span class="file"><a href="ambari-chap3-7-7.html">8.7. Oozie</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-9.html">8.8. Nagios</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-8.html">8.9. Misc</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-9a.html">8.10. Recommended Memory Configurations for the MapReduce Service</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap3-8.html">9. Review</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-9.html">10. Install, Start and Test</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-10.html">11. Summary</a></span></li></ul></li><li
  tabindex="2"><span class="file"><a href="ambari-chap5.html">4. Troubleshooting Ambari Deployments</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-1.html">1. Getting the Logs</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap5-2.html">2. Quick Checks</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3.html">3. Specific Issues</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-a.html">3.1. Problem: Browser crashed before
+Install Wizard completed"</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-a-1.html">3.1.1. Solution</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-b.html">3.2. Install Wizard reports that the cluster install has failed</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-b-1.html">3.2.1. Solution</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-1.html">3.3. Problem: “Unable to create new native thread” exceptions in HDFS DataNode logs or those of any system daemon</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-1.html#ambari-chap5-3-1-1">3.3.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-2.html">3.4. Problem: The “yum install ambari-server” Command Fails</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-2.html#ambari-chap5-3-2-1">3.4.1. 
 Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-3.html">3.5. Problem: HDFS Smoke Test Fails</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-3.html#ambari-chap5-3-3-1">3.5.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="chap5-3-4.html">3.6. Problem: The HCatalog Daemon Metastore Smoke Test Fails</a></span><ul><li tabindex="2"><span class="file"><a href="chap5-3-4.html#chap5-3-4-1">3.6.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-5.html">3.7. Problem: MySQL and Nagios fail to install on RightScale CentOS 5 images on EC2 </a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-5.html#ambari-chap5.3.5.1">3.7.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-7.html">3.8. Trouble starting Ambari on system reboot</a></span><ul><li tabindex="2"><span class="fi
 le"><a href="ambari-chap5-3-7.html#ambari-chap5-3-7-1">3.8.1. Solution:</a></span></li></ul></li></ul></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap6.html">5. Appendix: Installing Ambari Agents Manually</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap6-1.html">1. RHEL/CentOS v. 5.x and 6.x</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap6-2.html">2. SLES</a></span></li></ul></li></ul></div></div><div id="searchDiv"><div id="search"><form onsubmit="Verifie(ditaSearch_Form);return false" name="ditaSearch_Form" class="searchForm"><fieldset class="searchFieldSet"><legend>Search</legend><center><input id="textToSearch" name="textToSearch" type="text" class="searchText"/> &nbsp; <input onclick="Verifie(ditaSearch_Form)" type="button" class="searchButton" value="Go" id="doSearch"/></center></fieldset></form></div><div id="searchResults"><center/></div><p class="searchHighlight"><a href="#" onclick="toggleHighligh
 t()">Search Highlighter (On/Off)</a></p></div></div></div></div><script type="text/javascript" src="../common/jquery/jquery.qtip-1.0.0-rc3/jquery.qtip-1.0.0-rc3.min.js"><!--jQuery plugin for glossary popups. -->
+                   $('a[title]').qtip({ style: { name: 'cream', tip: true } })
+                </script></body></html>
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Added: incubator/ambari/site/installing-hadoop-using-ambari/content/ambari-chap3-7-8.html
URL: http://svn.apache.org/viewvc/incubator/ambari/site/installing-hadoop-using-ambari/content/ambari-chap3-7-8.html?rev=1432371&view=auto
==============================================================================
--- incubator/ambari/site/installing-hadoop-using-ambari/content/ambari-chap3-7-8.html (added)
+++ incubator/ambari/site/installing-hadoop-using-ambari/content/ambari-chap3-7-8.html Sat Jan 12 03:36:38 2013
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE html
+  PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xmlns:exsl="http://exslt.org/common" xmlns:ng="http://docbook.org/docbook-ng" xmlns:fb="http://ogp.me/ns/fb#"><head>
+<meta http-equiv="X-UA-Compatible" content="IE=7"/>
+<title>8.9. Misc 
+    </title><meta name="generator" content="DocBook XSL-NS Stylesheets V1.76.1"/><meta name="mavenGroupId" content="docs"/><meta name="mavenArtifactId" content="HDP_HMC"/><meta name="mavenVersionId" content="1.2.0"/><link rel="home" href="index.html" title=""/><link rel="up" href="ambari-chap3-7.html" title="8. Customize Services"/><link rel="prev" href="ambari-chap3-7-9.html" title="8.8. Nagios"/><link rel="next" href="ambari-chap3-7-9a.html" title="8.10. Recommended Memory Configurations for the MapReduce Service"/><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><script type="text/javascript">
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+
+            .folder {
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+            background: transparent url(../common/jquery/treeview/images/folder.gif) 0 0px no-repeat;
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+        </style><link rel="shortcut icon" href="../favicon.ico" type="image/x-icon"/><link rel="stylesheet" type="text/css" href="../common/css/positioning.css"/><link rel="stylesheet" type="text/css" href="../common/css/custom.css"/><!--[if IE]>
+	<link rel="stylesheet" type="text/css" href="../common/css/ie.css"/>
+	<![endif]--><link rel="stylesheet" type="text/css" href="../common/jquery/theme-redmond/jquery-ui-1.8.2.custom.css"/><link rel="stylesheet" type="text/css" href="../common/jquery/treeview/jquery.treeview.css"/><script type="text/javascript" src="../common/jquery/jquery-1.4.3.min.js"><!----></script><script type="text/javascript" src="../common/jquery/jquery-ui-1.8.2.custom.min.js"><!----></script><script type="text/javascript" src="../common/jquery/jquery.cookie.js"><!----></script><script type="text/javascript" src="../common/jquery/treeview/jquery.treeview.min.js"><!----></script><script type="text/javascript" src="../common/jquery/jquery.qtip-1.0.0-rc3/jquery.qtip-1.0.0-rc3.min.js"><!--jQuery plugin for glossary popups. --></script><script type="text/javascript" src="search/htmlFileList.js"><!----></script><script type="text/javascript" src="search/htmlFileInfoList.js"><!----></script><script type="text/javascript" src="search/nwSearchFnt.js"><!----></script><script type
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+                            </a></td><td><a accesskey="p" class="navLinkPrevious" onclick="_gaq.push(['_trackEvent', 'Header', 'prevLink', 'click', 1]);" tabindex="5" href="ambari-chap3-7-9.html">Prev</a>
+				      |
+                                        <a accesskey="u" class="navLinkUp" onclick="_gaq.push(['_trackEvent', 'Header', 'upLink', 'click', 1]);" tabindex="5" href="ambari-chap3-7.html">Up</a>
+				  |
+                                    <a accesskey="n" class="navLinkNext" onclick="_gaq.push(['_trackEvent', 'Header', 'nextLink', 'click', 1]);" tabindex="5" href="ambari-chap3-7-9a.html">Next</a></td></tr></table></div></div><div id="toolbar" class="ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all"><div id="toolbar-left"><p class="breadcrumbs"><a href="http://incubator.apache.org/ambari/">Ambari</a><a href="index.html">Ambari User Guide</a></p></div></div><div id="content"><div class="statustext"> </div><div class="section"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="ambari-chap3-7-8"> </a>8.9. Misc</h3></div></div></div><p>This screen covers miscellaneous settings. Here you can set various general properties. Click
+the name of the group to expand and collapse the display. </p><div class="table"><a id="d6e1713"> </a><p class="title"><strong>Table 3.22. Misc Settings:Users/Groups</strong></p><div class="table-contents"><table summary="Misc Settings:Users/Groups" border="1"><colgroup><col/><col/></colgroup><thead><tr><th align="center">Name</th><th align="center">Notes</th></tr></thead><tbody><tr><td align="left">
+<p>Proxy group for Hive, WebHCat, and Oozie</p>
+</td><td align="left">
+<p>The name of the proxy group: for example <code class="literal">users</code></p>
+</td></tr><tr><td align="left">HDFS User</td><td align="left">The user to run HDFS: for example <code class="literal">hdfs</code></td></tr><tr><td align="left">
+<p>MapReduce User</p>
+</td><td align="left">
+<p>The user to run MapReduce: for example <code class="literal">mapred</code></p>
+</td></tr><tr><td align="left">HBase User</td><td align="left">The user to run HBase : for example <code class="literal">hbase</code></td></tr><tr><td align="left">Hive User</td><td align="left">The user to run Hive: for example <code class="literal">hive</code></td></tr><tr><td align="left">HCat User</td><td align="left">The user to run HCatalog: for example, <code class="literal">hcat</code></td></tr><tr><td align="left">WebHCat User</td><td align="left">The user to run WebHCat: for example, <code class="literal">hcat</code></td></tr><tr><td align="left">Oozie User</td><td align="left">The user to run Oozie : for example <code class="literal">oozie</code></td></tr><tr><td align="left">Pig User</td><td align="left">The user to run Pig: for example <code class="literal">pig</code></td></tr><tr><td align="left">Sqoop User</td><td align="left">The user to run Sqoop: for example <code class="literal">sqoop</code></td></tr><tr><td align="left">ZooKeeper User</td><td align="left"
 >The user to run ZooKeeper: for example <code class="literal">zookeeper</code></td></tr><tr><td align="left">Group</td><td align="left">The group for the users specified above: for example <code class="literal">hadoop</code></td></tr></tbody></table></div></div><br class="table-break"/><p>When you have made all your changes, click<span class="bold"><strong> Next</strong></span>.</p></div><script type="text/javascript" src="../common/main.js"><!----></script><hr/></div><div><div id="leftnavigation" style="padding-top:3px; background-color:white;"><div id="tabs"><ul><li><a href="#treeDiv" tabindex="1"><span class="contentsTab">Contents</span></a></li><li><a href="#searchDiv" tabindex="1"><span class="searchTab">Search</span></a></li></ul><div id="treeDiv"><img src="../common/images/loading.gif" alt="loading table of contents..." id="tocLoading" style="display:block;"/><div id="ulTreeDiv" style="display:none" class="thisisthat"><ul id="tree" class="filetree"><li tabindex="2"
 ><span class="file"><a href="ambari-chap1.html">1. Getting Ready to Install</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap1-1.html">1. Understand the Basics</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-2.html">2. Meet Minimum System Requirements</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap1-2.html#ambari-chap1-2-1">2.1. Hardware Recommendations</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-2.html#ambari-chap1-2-2">2.2. Operating Systems Requirements</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-2.html#ambari-chap1-2-3">2.3. Browser Requirements</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-2.html#ambari-chap1-2-4">2.4. Software Requirements</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-2.html#ambari-chap1-2-5">2.5. Database Requirements</a></span></li></ul></li><li tabindex="2"><span class="f
 ile"><a href="ambari-chap1-3.html">3. Decide on Deployment Type</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-4.html">4. Collect Information</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5.html">5. Prepare the Environment</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap1-5-1.html">5.1. Check Existing Installs</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5-2.html">5.2. Set Up Password-less SSH</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5-3.html">5.3. Enable NTP on the Cluster</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5-4.html">5.4. Check DNS</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5-5.html">5.5. Disable SELinux</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5-6.html">5.6. Disable iptables</a></span></li></ul></li><li tabindex="2"><span class="file"><a href
 ="ambari-chap1-6.html">6. Optional: Configure the Local Repositories</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap2.html">2. Running the Installer</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap2-1.html">1. Set Up the Bits</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap2.1.1.html">1.1. RHEL/CentOS 5.x</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap2.1.2.html">1.2. RHEL/CentOS 6.x</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap2.1.3.html">1.3. SLES 11</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap2-2.html">2. Set Up the  Server</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap2-2-1.html">2.1. Setup Options</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap2-3.html">3. Start the Ambari Server</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="am
 bari-chap3.html">3. Installing, Configuring, and Deploying the Cluster</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap3-1.html">1. Log into Apache Ambari</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-2.html">2. Welcome</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-3.html">3. Install Options</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-4.html">4. Confirm Hosts</a></span></li><li tabindex="2"><span class="file"><a href="ch03s05.html">5. Choose Services</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-5.html">6. Assign Masters</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-6.html">7. Assign Slaves and Clients</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7.html">8. Customize Services</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap3-7-1.html">8.1. HDFS</a></span></li><li tabind
 ex="2"><span class="file"><a href="ambari-chap3-7-2.html">8.2. MapReduce</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-3.html">8.3. Hive/HCat </a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-4.html">8.4. WebHCat</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-5.html">8.5. HBase</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-6.html">8.6. ZooKeeper</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-7.html">8.7. Oozie</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-9.html">8.8. Nagios</a></span></li><li tabindex="2" id="webhelp-currentid"><span class="file"><a href="ambari-chap3-7-8.html">8.9. Misc</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-9a.html">8.10. Recommended Memory Configurations for the MapReduce Service</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="amba
 ri-chap3-8.html">9. Review</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-9.html">10. Install, Start and Test</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-10.html">11. Summary</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5.html">4. Troubleshooting Ambari Deployments</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-1.html">1. Getting the Logs</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap5-2.html">2. Quick Checks</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3.html">3. Specific Issues</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-a.html">3.1. Problem: Browser crashed before
+Install Wizard completed"</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-a-1.html">3.1.1. Solution</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-b.html">3.2. Install Wizard reports that the cluster install has failed</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-b-1.html">3.2.1. Solution</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-1.html">3.3. Problem: “Unable to create new native thread” exceptions in HDFS DataNode logs or those of any system daemon</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-1.html#ambari-chap5-3-1-1">3.3.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-2.html">3.4. Problem: The “yum install ambari-server” Command Fails</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-2.html#ambari-chap5-3-2-1">3.4.1. 
 Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-3.html">3.5. Problem: HDFS Smoke Test Fails</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-3.html#ambari-chap5-3-3-1">3.5.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="chap5-3-4.html">3.6. Problem: The HCatalog Daemon Metastore Smoke Test Fails</a></span><ul><li tabindex="2"><span class="file"><a href="chap5-3-4.html#chap5-3-4-1">3.6.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-5.html">3.7. Problem: MySQL and Nagios fail to install on RightScale CentOS 5 images on EC2 </a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-5.html#ambari-chap5.3.5.1">3.7.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-7.html">3.8. Trouble starting Ambari on system reboot</a></span><ul><li tabindex="2"><span class="fi
 le"><a href="ambari-chap5-3-7.html#ambari-chap5-3-7-1">3.8.1. Solution:</a></span></li></ul></li></ul></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap6.html">5. Appendix: Installing Ambari Agents Manually</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap6-1.html">1. RHEL/CentOS v. 5.x and 6.x</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap6-2.html">2. SLES</a></span></li></ul></li></ul></div></div><div id="searchDiv"><div id="search"><form onsubmit="Verifie(ditaSearch_Form);return false" name="ditaSearch_Form" class="searchForm"><fieldset class="searchFieldSet"><legend>Search</legend><center><input id="textToSearch" name="textToSearch" type="text" class="searchText"/> &nbsp; <input onclick="Verifie(ditaSearch_Form)" type="button" class="searchButton" value="Go" id="doSearch"/></center></fieldset></form></div><div id="searchResults"><center/></div><p class="searchHighlight"><a href="#" onclick="toggleHighligh
 t()">Search Highlighter (On/Off)</a></p></div></div></div></div><script type="text/javascript" src="../common/jquery/jquery.qtip-1.0.0-rc3/jquery.qtip-1.0.0-rc3.min.js"><!--jQuery plugin for glossary popups. -->
+                   $('a[title]').qtip({ style: { name: 'cream', tip: true } })
+                </script></body></html>
\ No newline at end of file

Added: incubator/ambari/site/installing-hadoop-using-ambari/content/ambari-chap3-7-9.html
URL: http://svn.apache.org/viewvc/incubator/ambari/site/installing-hadoop-using-ambari/content/ambari-chap3-7-9.html?rev=1432371&view=auto
==============================================================================
--- incubator/ambari/site/installing-hadoop-using-ambari/content/ambari-chap3-7-9.html (added)
+++ incubator/ambari/site/installing-hadoop-using-ambari/content/ambari-chap3-7-9.html Sat Jan 12 03:36:38 2013
@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE html
+  PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xmlns:exsl="http://exslt.org/common" xmlns:ng="http://docbook.org/docbook-ng" xmlns:fb="http://ogp.me/ns/fb#"><head>
+<meta http-equiv="X-UA-Compatible" content="IE=7"/>
+<title>8.8. Nagios 
+    </title><meta name="generator" content="DocBook XSL-NS Stylesheets V1.76.1"/><meta name="mavenGroupId" content="docs"/><meta name="mavenArtifactId" content="HDP_HMC"/><meta name="mavenVersionId" content="1.2.0"/><link rel="home" href="index.html" title=""/><link rel="up" href="ambari-chap3-7.html" title="8. Customize Services"/><link rel="prev" href="ambari-chap3-7-7.html" title="8.7. Oozie"/><link rel="next" href="ambari-chap3-7-8.html" title="8.9. Misc"/><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><script type="text/javascript">
+            //The id for tree cookie
+            var treeCookieId = "treeview-3458";
+            var language = "en";
+            var w = new Object();
+            //Localization
+            txt_filesfound = 'Results';
+            txt_enter_at_least_1_char = "You must enter at least one character.";
+            txt_browser_not_supported = "Your browser is not supported. Use of Mozilla Firefox is recommended.";
+            txt_please_wait = "Please wait. Search in progress...";
+            txt_results_for = "Results for: ";
+        </script><style type="text/css">
+            input {
+            margin-bottom: 5px;
+            margin-top: 2px;
+            }
+
+            .folder {
+            display: block;
+            height: 22px;
+            padding-left: 20px;
+            background: transparent url(../common/jquery/treeview/images/folder.gif) 0 0px no-repeat;
+            }
+            
+        </style><link rel="shortcut icon" href="../favicon.ico" type="image/x-icon"/><link rel="stylesheet" type="text/css" href="../common/css/positioning.css"/><link rel="stylesheet" type="text/css" href="../common/css/custom.css"/><!--[if IE]>
+	<link rel="stylesheet" type="text/css" href="../common/css/ie.css"/>
+	<![endif]--><link rel="stylesheet" type="text/css" href="../common/jquery/theme-redmond/jquery-ui-1.8.2.custom.css"/><link rel="stylesheet" type="text/css" href="../common/jquery/treeview/jquery.treeview.css"/><script type="text/javascript" src="../common/jquery/jquery-1.4.3.min.js"><!----></script><script type="text/javascript" src="../common/jquery/jquery-ui-1.8.2.custom.min.js"><!----></script><script type="text/javascript" src="../common/jquery/jquery.cookie.js"><!----></script><script type="text/javascript" src="../common/jquery/treeview/jquery.treeview.min.js"><!----></script><script type="text/javascript" src="../common/jquery/jquery.qtip-1.0.0-rc3/jquery.qtip-1.0.0-rc3.min.js"><!--jQuery plugin for glossary popups. --></script><script type="text/javascript" src="search/htmlFileList.js"><!----></script><script type="text/javascript" src="search/htmlFileInfoList.js"><!----></script><script type="text/javascript" src="search/nwSearchFnt.js"><!----></script><script type
 ="text/javascript" src="search/stemmers/en_stemmer.js"><!--//make this scalable to other languages as well.--></script><script type="text/javascript" src="search/index-1.js"><!----></script><script type="text/javascript" src="search/index-2.js"><!----></script><script type="text/javascript" src="search/index-3.js"><!----></script></head><body><div id="header"><a onclick="_gaq.push(['_trackEvent', 'Header', 'logo', 'click', 1]);" target="_blank" href="http://incubator.apache.org/ambari/"><img src="../common/images/ambari-logo.png" alt="Ambari" width="60" height="60"/></a><h1>8.8. Nagios</h1><div id="navheader" align="right"><!----><table class="navLinks"><tr><td><a id="showHideButton" onclick="showHideToc(); _gaq.push(['_trackEvent', 'Header', 'show/hide', 'click', 1]);" class="pointLeft" title="Hide TOC tree">Sidebar
+                            </a></td><td><a accesskey="p" class="navLinkPrevious" onclick="_gaq.push(['_trackEvent', 'Header', 'prevLink', 'click', 1]);" tabindex="5" href="ambari-chap3-7-7.html">Prev</a>
+				      |
+                                        <a accesskey="u" class="navLinkUp" onclick="_gaq.push(['_trackEvent', 'Header', 'upLink', 'click', 1]);" tabindex="5" href="ambari-chap3-7.html">Up</a>
+				  |
+                                    <a accesskey="n" class="navLinkNext" onclick="_gaq.push(['_trackEvent', 'Header', 'nextLink', 'click', 1]);" tabindex="5" href="ambari-chap3-7-8.html">Next</a></td></tr></table></div></div><div id="toolbar" class="ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all"><div id="toolbar-left"><p class="breadcrumbs"><a href="http://incubator.apache.org/ambari/">Ambari</a><a href="index.html">Ambari User Guide</a></p></div></div><div id="content"><div class="statustext"> </div><div class="section"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="ambari-chap3-7-9"> </a>8.8. Nagios</h3></div></div></div><p>This screen covers Nagios settings. Here you can set general properties for Nagios. You
+<span class="italic">must</span> set the password and email properties.</p><div class="table"><a id="d6e1685"> </a><p class="title"><strong>Table 3.21. Nagios Settings:General</strong></p><div class="table-contents"><table summary="Nagios Settings:General" border="1"><colgroup><col/><col/></colgroup><thead><tr><th align="center">Name</th><th align="center">Notes</th></tr></thead><tbody><tr><td align="left">
+<p>Nagios Admin User</p>
+</td><td align="left">
+<p>Nagios Web UI Admin username [default:nagiosadmin]</p>
+</td></tr><tr><td align="left">
+<p>Nagios Admin Password</p>
+</td><td align="left">
+<p>Nagios Web UI Admin password. This is a <span class="bold"><strong>required</strong></span> property.
+You must type it in twice.</p>
+</td></tr><tr><td align="left">
+<p>Hadoop Admin email</p>
+</td><td align="left">
+<p>The email address to which Nagios should send alerts. This is a <span class="bold"><strong>required</strong></span> property.</p>
+</td></tr></tbody></table></div></div><br class="table-break"/></div><script type="text/javascript" src="../common/main.js"><!----></script><hr/></div><div><div id="leftnavigation" style="padding-top:3px; background-color:white;"><div id="tabs"><ul><li><a href="#treeDiv" tabindex="1"><span class="contentsTab">Contents</span></a></li><li><a href="#searchDiv" tabindex="1"><span class="searchTab">Search</span></a></li></ul><div id="treeDiv"><img src="../common/images/loading.gif" alt="loading table of contents..." id="tocLoading" style="display:block;"/><div id="ulTreeDiv" style="display:none" class="thisisthat"><ul id="tree" class="filetree"><li tabindex="2"><span class="file"><a href="ambari-chap1.html">1. Getting Ready to Install</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap1-1.html">1. Understand the Basics</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-2.html">2. Meet Minimum System Requirements</a></span><ul><li tabindex=
 "2"><span class="file"><a href="ambari-chap1-2.html#ambari-chap1-2-1">2.1. Hardware Recommendations</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-2.html#ambari-chap1-2-2">2.2. Operating Systems Requirements</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-2.html#ambari-chap1-2-3">2.3. Browser Requirements</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-2.html#ambari-chap1-2-4">2.4. Software Requirements</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-2.html#ambari-chap1-2-5">2.5. Database Requirements</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap1-3.html">3. Decide on Deployment Type</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-4.html">4. Collect Information</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5.html">5. Prepare the Environment</a></span><ul><li tabindex="2"><span class="file"
 ><a href="ambari-chap1-5-1.html">5.1. Check Existing Installs</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5-2.html">5.2. Set Up Password-less SSH</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5-3.html">5.3. Enable NTP on the Cluster</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5-4.html">5.4. Check DNS</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5-5.html">5.5. Disable SELinux</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5-6.html">5.6. Disable iptables</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap1-6.html">6. Optional: Configure the Local Repositories</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap2.html">2. Running the Installer</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap2-1.html">1. Set Up the Bits</a></span><ul><li tabindex="2"><span class=
 "file"><a href="ambari-chap2.1.1.html">1.1. RHEL/CentOS 5.x</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap2.1.2.html">1.2. RHEL/CentOS 6.x</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap2.1.3.html">1.3. SLES 11</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap2-2.html">2. Set Up the  Server</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap2-2-1.html">2.1. Setup Options</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap2-3.html">3. Start the Ambari Server</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap3.html">3. Installing, Configuring, and Deploying the Cluster</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap3-1.html">1. Log into Apache Ambari</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-2.html">2. Welcome</a></span></li><li tabindex="2"><span class="file"><a hr
 ef="ambari-chap3-3.html">3. Install Options</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-4.html">4. Confirm Hosts</a></span></li><li tabindex="2"><span class="file"><a href="ch03s05.html">5. Choose Services</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-5.html">6. Assign Masters</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-6.html">7. Assign Slaves and Clients</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7.html">8. Customize Services</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap3-7-1.html">8.1. HDFS</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-2.html">8.2. MapReduce</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-3.html">8.3. Hive/HCat </a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-4.html">8.4. WebHCat</a></span></li><li tabindex="2"><span class="file"><a hre
 f="ambari-chap3-7-5.html">8.5. HBase</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-6.html">8.6. ZooKeeper</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-7.html">8.7. Oozie</a></span></li><li tabindex="2" id="webhelp-currentid"><span class="file"><a href="ambari-chap3-7-9.html">8.8. Nagios</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-8.html">8.9. Misc</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-9a.html">8.10. Recommended Memory Configurations for the MapReduce Service</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap3-8.html">9. Review</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-9.html">10. Install, Start and Test</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-10.html">11. Summary</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5.html">4. Tro
 ubleshooting Ambari Deployments</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-1.html">1. Getting the Logs</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap5-2.html">2. Quick Checks</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3.html">3. Specific Issues</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-a.html">3.1. Problem: Browser crashed before
+Install Wizard completed"</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-a-1.html">3.1.1. Solution</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-b.html">3.2. Install Wizard reports that the cluster install has failed</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-b-1.html">3.2.1. Solution</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-1.html">3.3. Problem: “Unable to create new native thread” exceptions in HDFS DataNode logs or those of any system daemon</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-1.html#ambari-chap5-3-1-1">3.3.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-2.html">3.4. Problem: The “yum install ambari-server” Command Fails</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-2.html#ambari-chap5-3-2-1">3.4.1. 
 Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-3.html">3.5. Problem: HDFS Smoke Test Fails</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-3.html#ambari-chap5-3-3-1">3.5.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="chap5-3-4.html">3.6. Problem: The HCatalog Daemon Metastore Smoke Test Fails</a></span><ul><li tabindex="2"><span class="file"><a href="chap5-3-4.html#chap5-3-4-1">3.6.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-5.html">3.7. Problem: MySQL and Nagios fail to install on RightScale CentOS 5 images on EC2 </a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-5.html#ambari-chap5.3.5.1">3.7.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-7.html">3.8. Trouble starting Ambari on system reboot</a></span><ul><li tabindex="2"><span class="fi
 le"><a href="ambari-chap5-3-7.html#ambari-chap5-3-7-1">3.8.1. Solution:</a></span></li></ul></li></ul></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap6.html">5. Appendix: Installing Ambari Agents Manually</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap6-1.html">1. RHEL/CentOS v. 5.x and 6.x</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap6-2.html">2. SLES</a></span></li></ul></li></ul></div></div><div id="searchDiv"><div id="search"><form onsubmit="Verifie(ditaSearch_Form);return false" name="ditaSearch_Form" class="searchForm"><fieldset class="searchFieldSet"><legend>Search</legend><center><input id="textToSearch" name="textToSearch" type="text" class="searchText"/> &nbsp; <input onclick="Verifie(ditaSearch_Form)" type="button" class="searchButton" value="Go" id="doSearch"/></center></fieldset></form></div><div id="searchResults"><center/></div><p class="searchHighlight"><a href="#" onclick="toggleHighligh
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+                   $('a[title]').qtip({ style: { name: 'cream', tip: true } })
+                </script></body></html>
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+++ incubator/ambari/site/installing-hadoop-using-ambari/content/ambari-chap3-7-9a.html Sat Jan 12 03:36:38 2013
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+<title>8.10. Recommended Memory Configurations for the MapReduce Service 
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+system processes take around 10% of the available memory.</p></li><li class="listitem"><p>For co-deploying an HBase RegionServer and MapReduce service on the same node, reduce the
+RegionServer's heap size (use the <a class="link" href="ambari-chap3-7-5.html#backlink4">HBase Region Servers maximum Java heap
+size</a> property to modify the RegionServer heap size).</p></li><li class="listitem"><p>For co-deploying an HBase RegionServer and the MapReduce service on the same node, or for
+memory intensive MapReduce applications, modify the map and reduce slots as suggested in the
+following example:</p></li></ul></div><p><span class="bold"><strong>EXAMPLE:</strong></span> For co-deploying an HBase RegionServer and the
+MapReduce service on a machine with 16GB of available memory, the following would be a recommended
+configuration:</p><p>2 GB: system processes</p><p>8 GB: MapReduce slots. 6 Map + 2 Reduce slots per 1 GB task</p><p>4 GB: HBase RegionServer</p><p>1 GB: TaskTracker</p><p>1 GB: DataNode </p><p>To change the number of Map and Reduce slots based on the memory requirements of your application, use the following properties:</p><p>• <a class="link" href="ambari-chap3-7-2.html#backlink2"> Number of Map slots per node</a></p><p>• <a class="link" href="ambari-chap3-7-2.html#backlink3">Number of Reduce slots per node</a></p></div><script type="text/javascript" src="../common/main.js"><!----></script><hr/></div><div><div id="leftnavigation" style="padding-top:3px; background-color:white;"><div id="tabs"><ul><li><a href="#treeDiv" tabindex="1"><span class="contentsTab">Contents</span></a></li><li><a href="#searchDiv" tabindex="1"><span class="searchTab">Search</span></a></li></ul><div id="treeDiv"><img src="../common/images/loading.gif" alt="loading table of contents..." id="
 tocLoading" style="display:block;"/><div id="ulTreeDiv" style="display:none" class="thisisthat"><ul id="tree" class="filetree"><li tabindex="2"><span class="file"><a href="ambari-chap1.html">1. Getting Ready to Install</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap1-1.html">1. Understand the Basics</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-2.html">2. Meet Minimum System Requirements</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap1-2.html#ambari-chap1-2-1">2.1. Hardware Recommendations</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-2.html#ambari-chap1-2-2">2.2. Operating Systems Requirements</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-2.html#ambari-chap1-2-3">2.3. Browser Requirements</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-2.html#ambari-chap1-2-4">2.4. Software Requirements</a></span></li><li tabindex="2"><span 
 class="file"><a href="ambari-chap1-2.html#ambari-chap1-2-5">2.5. Database Requirements</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap1-3.html">3. Decide on Deployment Type</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-4.html">4. Collect Information</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5.html">5. Prepare the Environment</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap1-5-1.html">5.1. Check Existing Installs</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5-2.html">5.2. Set Up Password-less SSH</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5-3.html">5.3. Enable NTP on the Cluster</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5-4.html">5.4. Check DNS</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap1-5-5.html">5.5. Disable SELinux</a></span></li><li tabindex="2
 "><span class="file"><a href="ambari-chap1-5-6.html">5.6. Disable iptables</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap1-6.html">6. Optional: Configure the Local Repositories</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap2.html">2. Running the Installer</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap2-1.html">1. Set Up the Bits</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap2.1.1.html">1.1. RHEL/CentOS 5.x</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap2.1.2.html">1.2. RHEL/CentOS 6.x</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap2.1.3.html">1.3. SLES 11</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap2-2.html">2. Set Up the  Server</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap2-2-1.html">2.1. Setup Options</a></span></li></ul></li><li tabindex="2"><span
  class="file"><a href="ambari-chap2-3.html">3. Start the Ambari Server</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap3.html">3. Installing, Configuring, and Deploying the Cluster</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap3-1.html">1. Log into Apache Ambari</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-2.html">2. Welcome</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-3.html">3. Install Options</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-4.html">4. Confirm Hosts</a></span></li><li tabindex="2"><span class="file"><a href="ch03s05.html">5. Choose Services</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-5.html">6. Assign Masters</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-6.html">7. Assign Slaves and Clients</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7.ht
 ml">8. Customize Services</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap3-7-1.html">8.1. HDFS</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-2.html">8.2. MapReduce</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-3.html">8.3. Hive/HCat </a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-4.html">8.4. WebHCat</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-5.html">8.5. HBase</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-6.html">8.6. ZooKeeper</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-7.html">8.7. Oozie</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-9.html">8.8. Nagios</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-7-8.html">8.9. Misc</a></span></li><li tabindex="2" id="webhelp-currentid"><span class="file"><a href="ambari-chap3-7-9a.htm
 l">8.10. Recommended Memory Configurations for the MapReduce Service</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap3-8.html">9. Review</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-9.html">10. Install, Start and Test</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap3-10.html">11. Summary</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5.html">4. Troubleshooting Ambari Deployments</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-1.html">1. Getting the Logs</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap5-2.html">2. Quick Checks</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3.html">3. Specific Issues</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-a.html">3.1. Problem: Browser crashed before
+Install Wizard completed"</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-a-1.html">3.1.1. Solution</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-b.html">3.2. Install Wizard reports that the cluster install has failed</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-b-1.html">3.2.1. Solution</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-1.html">3.3. Problem: “Unable to create new native thread” exceptions in HDFS DataNode logs or those of any system daemon</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-1.html#ambari-chap5-3-1-1">3.3.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-2.html">3.4. Problem: The “yum install ambari-server” Command Fails</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-2.html#ambari-chap5-3-2-1">3.4.1. 
 Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-3.html">3.5. Problem: HDFS Smoke Test Fails</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-3.html#ambari-chap5-3-3-1">3.5.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="chap5-3-4.html">3.6. Problem: The HCatalog Daemon Metastore Smoke Test Fails</a></span><ul><li tabindex="2"><span class="file"><a href="chap5-3-4.html#chap5-3-4-1">3.6.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-5.html">3.7. Problem: MySQL and Nagios fail to install on RightScale CentOS 5 images on EC2 </a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-5.html#ambari-chap5.3.5.1">3.7.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-7.html">3.8. Trouble starting Ambari on system reboot</a></span><ul><li tabindex="2"><span class="fi
 le"><a href="ambari-chap5-3-7.html#ambari-chap5-3-7-1">3.8.1. Solution:</a></span></li></ul></li></ul></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap6.html">5. Appendix: Installing Ambari Agents Manually</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap6-1.html">1. RHEL/CentOS v. 5.x and 6.x</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap6-2.html">2. SLES</a></span></li></ul></li></ul></div></div><div id="searchDiv"><div id="search"><form onsubmit="Verifie(ditaSearch_Form);return false" name="ditaSearch_Form" class="searchForm"><fieldset class="searchFieldSet"><legend>Search</legend><center><input id="textToSearch" name="textToSearch" type="text" class="searchText"/> &nbsp; <input onclick="Verifie(ditaSearch_Form)" type="button" class="searchButton" value="Go" id="doSearch"/></center></fieldset></form></div><div id="searchResults"><center/></div><p class="searchHighlight"><a href="#" onclick="toggleHighligh
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