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Posted to commits@ambari.apache.org by yu...@apache.org on 2013/02/11 01:28:33 UTC

svn commit: r1444637 [14/27] - in /incubator/ambari/site/1.2.1: ./ installing-hadoop-using-ambari/ installing-hadoop-using-ambari/common/ installing-hadoop-using-ambari/common/css/ installing-hadoop-using-ambari/common/images/ installing-hadoop-using-a...

Added: incubator/ambari/site/1.2.1/installing-hadoop-using-ambari/content/ambari-chap3-7-3.html
URL: http://svn.apache.org/viewvc/incubator/ambari/site/1.2.1/installing-hadoop-using-ambari/content/ambari-chap3-7-3.html?rev=1444637&view=auto
==============================================================================
--- incubator/ambari/site/1.2.1/installing-hadoop-using-ambari/content/ambari-chap3-7-3.html (added)
+++ incubator/ambari/site/1.2.1/installing-hadoop-using-ambari/content/ambari-chap3-7-3.html Mon Feb 11 00:28:28 2013
@@ -0,0 +1,59 @@
+<?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>8.3. Hive/HCat - Apache Ambari
+    </title><meta name="generator" content="DocBook XSL-NS Stylesheets V1.76.1"/><meta name="mavenGroupId" content="ambari.docs"/><meta name="mavenArtifactId" content="Ambari"/><meta name="mavenVersionId" content="1.2.0"/><link rel="home" href="index.html" title="Apache Ambari"/><link rel="up" href="ambari-chap3-7.html" title="8. Customize Services"/><link rel="prev" href="ambari-chap3-7-2.html" title="8.2. MapReduce"/><link rel="next" href="ambari-chap3-7-4.html" title="8.4. WebHCat"/><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><script type="text/javascript">
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+            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;
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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]>
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+	<![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>8.3. Hive/HCat </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-chap3-7-2.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-chap3-7-4.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 Project Website</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-chap3-7-3"> </a>8.3. Hive/HCat </h3></div></div></div><p>This tab covers Hive and HCatalog settings. Here you can set properties for the Hive Metastore
+and database and related options. Click the name of the group to expand and collapse the display. </p><div class="table"><a id="d6e1287"> </a><p class="title"><strong>Table 3.10. Hive/HCat Settings: Hive Metastore </strong></p><div class="table-contents"><table summary="Hive/HCat Settings: Hive Metastore " 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>Hive Metastore host</p></td><td align="left"><p>The host that has been assigned to run the Hive Metastore</p></td></tr><tr><td align="left"><p>Hive Database</p></td><td align="left"><p>Check <span class="bold"><strong>New MySQL Database</strong></span> to have Ambari create one for you or
+<span class="bold"><strong>Existing MySQL Database</strong></span> to use an existing instance.</p>
+</td></tr><tr><td align="left"><p>Database Type</p></td><td align="left"><p><span class="bold"><strong>MySQL</strong></span> is pre-populated</p>
+</td></tr><tr><td align="left"><p>Database host</p></td><td align="left"><p>The FQDN of the host that has been assigned to run the database</p>
+</td></tr><tr><td align="left"><p>Database name</p>
+</td><td align="left"><p>The name for the database.  Can be any legal name.</p></td></tr><tr><td align="left">Database user</td><td align="left">The username used to connect to the database</td></tr><tr><td align="left"><p>Database password</p></td><td align="left"><p>The password for accessing the Hive/HCatalog Metastore. This is a <span class="bold"><strong>required</strong></span> property.  You must type it in twice.</p></td></tr></tbody></table></div></div><br class="table-break"/><div class="table"><a id="d6e1332"> </a><p class="title"><strong>Table 3.11. Hive/HCat Settings: Advanced Settings</strong></p><div class="table-contents"><table summary="Hive/HCat Settings: Advanced Settings" 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>Hive PID dir</p></td><td align="left"><p>Directory for Hive process PID files </p></td></tr><tr><td align="left"><p>WebHCat
  log dir</p></td><td align="left"><p>Directory for WebHCat log files</p>
+</td></tr><tr><td align="left"><p>WebHCat PID dir</p></td><td align="left"><p>Directory for WebHCat process PID files</p>
+</td></tr><tr><td align="left"><p>hive.metastore.local</p></td><td align="left"><p>Whether to connect to remove a metastore server or open a new metastore server in the Hive
+Client JVM</p>
+</td></tr><tr><td align="left"><p>javax.jdo.option.
+ConnectionDriverName</p>
+</td><td align="left"><p>Driver class name for a JDBC metastore</p></td></tr><tr><td align="left">hive.metastore.warehouse.dir</td><td align="left">The location of the default database for the warehouse</td></tr><tr><td align="left"><p>hive.metastore.cache.pinobjtypes</p></td><td align="left"><p>Comma separated list of metastore object types that should be pinned in the cache</p></td></tr><tr><td align="left">hive.semantic.analyzer.factory.impl</td><td align="left">Which Semantic Analyzer Factory implementation class is used by CLI</td></tr><tr><td align="left">hadoop.clientside.fs.operations</td><td align="left">If FS operations are owned by the client</td></tr><tr><td align="left">hive.metastore.client.socket.timeout</td><td align="left">Metastore client socket timeout in seconds</td></tr><tr><td align="left">hive.metastore.execute.setugi</td><td align="left">In unsecure mode, setting this property to <code class="literal">true</code> causes the metastore to
+execute DFS operations using the client's reported user and group permissions. <span class="bold"><strong>Note </strong></span>: this property must be set on both the client and server sides. This is a best
+effort property. If client is set to true and server is set to false, the client setting is
+ignored.</td></tr><tr><td align="left">hive.security.authorization.enabled</td><td align="left">Whether hive client authorization is enabled</td></tr><tr><td align="left">hive.security.authorization.manager</td><td align="left">The class name of the hive client authorization manager.  A user defined authorization class
+should implement the <code class="filename">org.apache.hadoop.hive.
+ql.security.authorization.
+HiveAuthorizationProvider</code> interface</td></tr><tr><td align="left">hive.server2.enable.doAs</td><td align="left"> </td></tr><tr><td align="left">hive.hdfs.impl.disable.cache</td><td align="left"> </td></tr><tr><td align="left">Custom Hive Configs</td><td align="left">Use this text box to enter values for hive-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 class="legal"><a href="index.html">Index</a></div></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 tab
 index="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"><sp
 an 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 and on the Browser Host</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 Instal
 ler</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-chap2-4.html">3. Optional: Set Up LDAP Authentication</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap2-3.html">4. 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" id="webhelp-currentid"><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"><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.html#ambari-chap5-3-a-1">3.1.1. Solution</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-b.html">3.2. Problem: Install Wizard reports th
 at the cluster install has failed</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-b.html#ambari-chap5-3-b-1">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. Problem: Trouble starting Ambari on system reboot</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-7.html#ambari-chap5-3-7-1">3.8.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-8.html">3.9. Problem: Metrics and Host information display incorre
 ctly in Ambari Web</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-8.html#ambari-chap5-3-8-1">3.9.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-9.html">3.10. Problem: On SUSE 11 Ambari Agent crashes within the first 24 hours</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-9.html#ambari-chap5-3-9-1">3.10.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-10.html">3.11. Problem: Attempting to Start HBase REST server causes either REST server or Ambari Web to fail</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-10.html#ambari-chap5-3-10-1">3.11.1. 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><li tabindex="2"><span class="file"><a href="ambari-chap7a.html">6. Appendix: Using Custom Hostnames</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap7.html">7. Appendix: Upgrading Ambari Server from 1.2.0 to 1.2.1</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap8.html">8. Appendix: Upgrading Operating Systems on an Ambari-based Hadoop Installation</a></span></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="searc
 hResults"><center/></div><p class="searchHighlight"><a href="#" onclick="toggleHighlight()">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>

Added: incubator/ambari/site/1.2.1/installing-hadoop-using-ambari/content/ambari-chap3-7-4.html
URL: http://svn.apache.org/viewvc/incubator/ambari/site/1.2.1/installing-hadoop-using-ambari/content/ambari-chap3-7-4.html?rev=1444637&view=auto
==============================================================================
--- incubator/ambari/site/1.2.1/installing-hadoop-using-ambari/content/ambari-chap3-7-4.html (added)
+++ incubator/ambari/site/1.2.1/installing-hadoop-using-ambari/content/ambari-chap3-7-4.html Mon Feb 11 00:28:28 2013
@@ -0,0 +1,43 @@
+<?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>8.4. WebHCat - Apache Ambari
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+properties for the WebHCat interface. Click the name of the group to expand and collapse the
+display. </p><div class="table"><a id="d6e1406"> </a><p class="title"><strong>Table 3.12. WebHCat Settings: Advanced Settings</strong></p><div class="table-contents"><table summary="WebHCat Settings: Advanced Settings" 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">templeton.port</td><td align="left">HTTP port for the main server</td></tr><tr><td align="left">templeton.hadoop.conf.dir</td><td align="left">Path to the Hadoop configuration</td></tr><tr><td align="left">templeton.jar</td><td align="left">Path to the Templeton .jar file</td></tr><tr><td align="left">templeton.libjars</td><td align="left">Jar files to add to the classpath</td></tr><tr><td align="left">templeton.hadoop</td><td align="left">Path to the Hadoop executable</td></tr><tr><td align="left">templeton.pig.archive</td><td align="left">Path to the Pig archive</td></tr><tr><td align="left">templet
 on.pig.path</td><td align="left">Path to the Pig executable</td></tr><tr><td align="left">templeton.hcat</td><td align="left">Path to the HCatalog executable</td></tr><tr><td align="left">templeton.hive.archive</td><td align="left">Path to the Hive archive</td></tr><tr><td align="left">templeton.hive.path</td><td align="left">Path to the Hive executable</td></tr><tr><td align="left">templeton.storage.class</td><td align="left">The class to use for storage</td></tr><tr><td align="left">templeton.override.enabled</td><td align="left"><code class="literal">True</code> to enable the override path in templeton.override.jars</td></tr><tr><td align="left">templeton.streaming.jar</td><td align="left">HDFS path to the Hadoop streaming jar file</td></tr><tr><td align="left">templeton.exec.timeout</td><td align="left">Time out for the WebHCat API</td></tr><tr><td align="left">Custom WebHCat Configs</td><td align="left">Use this text box to enter values for the webhcat-site.xml properti
 es 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 class="legal"><a href="index.html">Index</a></div></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 and on the Browser Host</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-chap2-4.html">3. Optional: Set Up LDAP Authentication</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap2-3.html">4. Start the Ambari Server</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap3.html">3. Installing, Configuring, and Dep
 loying 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.
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 ex="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.html#ambari-chap5-3-a-1">3.1.1. Solution</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-b.html">3.2. Problem: Install Wizard repo
 rts that the cluster install has failed</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-b.html#ambari-chap5-3-b-1">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. Problem: Trouble starting Ambari on system reboot</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-7.html#ambari-chap5-3-7-1">3.8.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-8.html">3.9. Problem: Metrics and Host information display i
 ncorrectly in Ambari Web</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-8.html#ambari-chap5-3-8-1">3.9.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-9.html">3.10. Problem: On SUSE 11 Ambari Agent crashes within the first 24 hours</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-9.html#ambari-chap5-3-9-1">3.10.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-10.html">3.11. Problem: Attempting to Start HBase REST server causes either REST server or Ambari Web to fail</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-10.html#ambari-chap5-3-10-1">3.11.1. 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/Ce
 ntOS 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><li tabindex="2"><span class="file"><a href="ambari-chap7a.html">6. Appendix: Using Custom Hostnames</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap7.html">7. Appendix: Upgrading Ambari Server from 1.2.0 to 1.2.1</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap8.html">8. Appendix: Upgrading Operating Systems on an Ambari-based Hadoop Installation</a></span></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=
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+                                    <a accesskey="n" class="navLinkNext" onclick="_gaq.push(['_trackEvent', 'Header', 'nextLink', 'click', 1]);" tabindex="5" href="ambari-chap3-7-6.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 Project Website</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-chap3-7-5"> </a>8.5. HBase</h3></div></div></div><p>This tab covers HBase settings. Here you can set properties for the HBase Master and
+RegionServer, as well as some general and advanced properties. Click the name of the group to expand
+and collapse the display.</p><div class="table"><a id="d6e1463"> </a><p class="title"><strong>Table 3.13. HBase Settings: HBase Master</strong></p><div class="table-contents"><table summary="HBase Settings: HBase Master" 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">HBase Master host</td><td align="left">This value is prepopulated based on your choices on previous screens.  The host that has been
+assigned to run HBase.</td></tr><tr><td align="left">
+<p><a id="backlink1"> </a>HBase Master Maximum Java heap size</p>
+</td><td align="left"> Maximum Java heap size for HBase master (Java option -Xmx) </td></tr></tbody></table></div></div><br class="table-break"/><div class="table"><a id="d6e1478"> </a><p class="title"><strong>Table 3.14. HBase Settings: RegionServer</strong></p><div class="table-contents"><table summary="HBase Settings: RegionServer" 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">RegionServer hosts</td><td align="left">This value is prepopulated based on your choices on previous screens.  The hosts that have
+been assigned to run RegionServer.</td></tr><tr><td align="left"><a id="backlink4"> </a>HBase Region Servers maximum Java heap size</td><td align="left">
+<p>Maximum Java heap size for HBase Region Servers (Java option -Xmx) </p>
+<p><span class="bold"><strong>Important</strong></span>: For more information on sizing, see <a class="link" href="ambari-chap3-7-9a.html" title="8.10. Recommended Memory Configurations for the MapReduce Service">Recommended Memory Configurations for the MapReduce Service</a> for recommended sizing.</p>
+</td></tr><tr><td align="left">
+<p>HBase Region Server Handler</p>
+</td><td align="left">
+<p>
+Count of RPC Listener instances spun up on RegionServers</p>
+</td></tr><tr><td align="left">HBase Region Major Compaction</td><td align="left">
+<p>The time between major compactions of all HStoreFiles in a region. Set to 0 to disable
+automated major compactions.</p>
+</td></tr><tr><td align="left">HBase Region Block Multiplier</td><td align="left">Block updates if memstore reaches "<code class="literal">Multiplier * HBase Region Memstore Flush
+Size</code>" bytes. Useful preventing runaway memstore size during spikes in update
+traffic</td></tr><tr><td align="left">HBase Region Memstore Flush Size</td><td align="left">
+<p>Memstore will be flushed to disk if size of the memstore exceeds this number of bytes.</p>
+</td></tr></tbody></table></div></div><br class="table-break"/><div class="table"><a id="d6e1513"> </a><p class="title"><strong>Table 3.15. HBase Settings: General</strong></p><div class="table-contents"><table summary="HBase 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>HBase HStore compaction threshold</p>
+</td><td align="left">
+<p>When HStoreFiles in any one HStore are greater than this number, a compaction is run to rewrite all HStoreFiles files as one.</p>
+</td></tr><tr><td align="left">
+<p>HFile block cache size</p>
+</td><td align="left">
+<p>Percentage of maximum heap (-Xmx setting) to allocate to block cache used by HFile/StoreFile. You can set this to 0 to disable but this is not a recommended practice.</p>
+</td></tr><tr><td align="left">
+<p>Maximum HStoreFile Size</p>
+</td><td align="left">
+<p>If any one of a column families' HStoreFiles grows to exceed this value, the hosting HRegion
+is split in two.</p>
+</td></tr><tr><td align="left">
+<p>HBase Client Scanner Caching</p>
+</td><td align="left">
+<p>Number of rows that will be fetched when calling <code class="literal">next</code> on a scanner if it is not served from (local, client) memory. Do not set this value such that the time between invocations is greater than the scanner timeout</p>
+</td></tr><tr><td align="left">
+<p>Zookeeper timeout for HBase Session</p>
+</td><td align="left">
+<p>HBase passes this to the zk quorum as suggested maximum time for a session.</p>
+</td></tr><tr><td align="left">
+<p>HBase Client Maximum key-value Size</p>
+</td><td align="left">
+<p>Specifies the combined maximum allowed size of a KeyValue instance. It should be set to a
+fraction of the maximum region size.</p>
+</td></tr></tbody></table></div></div><br class="table-break"/><div class="table"><a id="d6e1552"> </a><p class="title"><strong>Table 3.16. HBase Settings: Advanced</strong></p><div class="table-contents"><table summary="HBase 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"> HBase Log Dir </td><td align="left">Directory for HBase logs</td></tr><tr><td align="left">HBase PID Dir</td><td align="left">Directory for the PID files for HBase processes</td></tr><tr><td align="left"> HDFS Short-circuit read </td><td align="left">Check to enable</td></tr><tr><td align="left"> HDFS shortcircuit skip checksum </td><td align="left">Skip checksum for short-circuit read. Check to enable</td></tr><tr><td align="left"> HDFS append support </td><td align="left">Check to enable</td></tr><tr><td align="left"> hstore blocking storefiles </td><td align="left">If m
 ore than this number of StoreFiles in any one Store (one StoreFile is written per flush
+of MemStore), then updates are blocked in this HRegion until compaction is completed or until
+<code class="literal">hbase.hstore.blockingWaitTime</code> is exceeded.</td></tr><tr><td align="left"> hbase.master.lease.thread.wakefrequency </td><td align="left">The interval between checks for the expired region server leases. The default is 15 seconds but may be reduced so that 
+the master notices a dead RegionServer more quickly.</td></tr><tr><td align="left">hbase.superuser</td><td align="left">Comma-separated list of users who are allowed full privileges across the cluster, regardless
+of stored ACLs.  Used only when HBase security is enabled.</td></tr><tr><td align="left"> hbase.regionserver.optionalcacheflushinterval </td><td align="left">Amount of time to wait since the last time a region was flushed before invoking an optional
+cache flush. Default is 60,000.</td></tr><tr><td align="left"> Custom HBase Configs </td><td align="left">Use this text box to enter values for hbase-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 class="legal"><a href="index.html">Index</a></div></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 tab
 index="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"><sp
 an 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 and on the Browser Host</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 Instal
 ler</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-chap2-4.html">3. Optional: Set Up LDAP Authentication</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap2-3.html">4. 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" id="webhelp-currentid"><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"><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.html#ambari-chap5-3-a-1">3.1.1. Solution</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-b.html">3.2. Problem: Install Wizard reports th
 at the cluster install has failed</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-b.html#ambari-chap5-3-b-1">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. Problem: Trouble starting Ambari on system reboot</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-7.html#ambari-chap5-3-7-1">3.8.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-8.html">3.9. Problem: Metrics and Host information display incorre
 ctly in Ambari Web</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-8.html#ambari-chap5-3-8-1">3.9.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-9.html">3.10. Problem: On SUSE 11 Ambari Agent crashes within the first 24 hours</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-9.html#ambari-chap5-3-9-1">3.10.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-10.html">3.11. Problem: Attempting to Start HBase REST server causes either REST server or Ambari Web to fail</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-10.html#ambari-chap5-3-10-1">3.11.1. 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><li tabindex="2"><span class="file"><a href="ambari-chap7a.html">6. Appendix: Using Custom Hostnames</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap7.html">7. Appendix: Upgrading Ambari Server from 1.2.0 to 1.2.1</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap8.html">8. Appendix: Upgrading Operating Systems on an Ambari-based Hadoop Installation</a></span></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="searc
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+as some advanced properties. Click the name of the group to expand and collapse the display</p><div class="table"><a id="d6e1594"> </a><p class="title"><strong>Table 3.17. ZooKeeper Settings: ZooKeeper Server</strong></p><div class="table-contents"><table summary="ZooKeeper Settings: ZooKeeper 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>ZooKeeper Server hosts</p></td><td align="left"> <p>This value is prepopulated based on your choices on previous screens.  The host that is
+assigned to run ZooKeeper Server.</p></td></tr><tr><td align="left"><p>ZooKeeper directory </p></td><td align="left"> <p>Data directory for ZooKeeper. </p></td></tr><tr><td align="left"> <p>Length of single Tick </p></td><td align="left"> <p>The length of a single tick in milliseconds, which is the basic time unit used by ZooKeeper</p> </td></tr><tr><td align="left"><p>Ticks to allow for sync at Init </p></td><td align="left"> <p>Amount of time in ticks to allow followers to connect and sync to a leader </p></td></tr><tr><td align="left"> <p>Ticks to allow for sync at Runtime </p></td><td align="left"> <p>Amount of time in ticks to allow followers to connect </p></td></tr><tr><td align="left"><p>Port for Running ZK Server</p></td><td align="left"><p>Port for running ZK server</p></td></tr></tbody></table></div></div><br class="table-break"/><div class="table"><a id="d6e1632"> </a><p class="title"><strong>Table 3.18. ZooKeeper Settings: Advanced</strong></p><div clas
 s="table-contents"><table summary="ZooKeeper 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"> ZooKeeper Log Dir </td><td align="left">Directory for ZooKeeper log files</td></tr><tr><td align="left"> ZooKeeper PID Dir </td><td align="left">Directory for the PID files for ZooKeeper processes</td></tr></tbody></table></div></div><br class="table-break"/></div><script type="text/javascript" src="../common/main.js"><!----></script><hr/><div class="legal"><a href="index.html">Index</a></div></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"><spa
 n 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 and on the Browser Host</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-chap2-4.html">3. Optional: Set Up LDAP Authentication</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap2-3.html">4. 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 cl
 ass="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" id="webhelp-currentid"><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"><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="f
 ile"><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.html#ambari-chap5-3-a-1">3.1.1. Solution</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-b.html">3.2. Problem: Install Wizard reports that the cluster install has failed</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-b.html#ambari-chap5-3-b-1">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” Comman
 d 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. Problem: Trouble starting Ambari on system reboot</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-7.html#ambari-chap5-3-7-1">3.8.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-8.html">3.9. Problem: Metrics and Host information display incorrectly in Ambari Web</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-8.html#ambari-chap5-3-8-1">3.9.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-9.html">3.10. Problem: On SUSE 11 Ambari Agent crashes within the first 24 hours</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-9.html#ambari-chap5-3-9-1">3.10.1. Solution:</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-10.html">3.11. Problem: Attempting to Start HBase REST server causes either REST server or Ambari Web to fail</a></span><ul><li tabind
 ex="2"><span class="file"><a href="ambari-chap5-3-10.html#ambari-chap5-3-10-1">3.11.1. 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><li tabindex="2"><span class="file"><a href="ambari-chap7a.html">6. Appendix: Using Custom Hostnames</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap7.html">7. Appendix: Upgrading Ambari Server from 1.2.0 to 1.2.1</a></span></li><li tabindex="2"><span class="file"><a href="ambari-chap8.html">8. Appendix: Upgrading Operating Systems on an Ambari-based Hadoop Installation</a></span></li></ul></div></div><div id="searchDiv"><div id="search"><form onsubmit="Verifie(ditaSearch_Form);return 
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