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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 [17/27] - 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-chap5-2.html
URL: http://svn.apache.org/viewvc/incubator/ambari/site/1.2.1/installing-hadoop-using-ambari/content/ambari-chap5-2.html?rev=1444637&view=auto
==============================================================================
--- incubator/ambari/site/1.2.1/installing-hadoop-using-ambari/content/ambari-chap5-2.html (added)
+++ incubator/ambari/site/1.2.1/installing-hadoop-using-ambari/content/ambari-chap5-2.html Mon Feb 11 00:28:28 2013
@@ -0,0 +1,44 @@
+<?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>2. Quick Checks - 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-chap5.html" title="Chapter 4. Troubleshooting Ambari Deployments"/><link rel="prev" href="ambari-chap5-1.html" title="1. Getting the Logs"/><link rel="next" href="ambari-chap5-3.html" title="3. Specific Issues"/><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><script type="text/javascript">
+ //The id for tree cookie
+ var treeCookieId = "treeview-3955";
+ 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>2. Quick Checks</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-chap5-1.html">Prev</a>
+ |
+ <a accesskey="u" class="navLinkUp" onclick="_gaq.push(['_trackEvent', 'Header', 'upLink', 'click', 1]);" tabindex="5" href="ambari-chap5.html">Up</a>
+ |
+ <a accesskey="n" class="navLinkNext" onclick="_gaq.push(['_trackEvent', 'Header', 'nextLink', 'click', 1]);" tabindex="5" href="ambari-chap5-3.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><h2 xmlns="http://www.w3.org/1999/xhtml" class="title" style="clear: both"><a id="ambari-chap5-2"> </a>2. Quick Checks</h2></div></div></div><div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem"><p>Make sure all the appropriate services are running. If you have access to Ambari Web, use the
+<span class="bold"><strong>Services View</strong></span>Â to check the status of each component. If you do not
+have access to Manage Services, you must start and stop the services manually.</p></li><li class="listitem"><p>If the first HDFS <code class="literal">put</code> command fails to replicate the block, the clocks in the nodes may not be
+synchronized. Make sure that Network Time Protocol (NTP) is enabled for your cluster.</p></li><li class="listitem"><p>If HBase does not start, check if its slaves are running on 64-bit JVMs. Ambari requires that
+all hosts must run on 64-bit machines.</p></li><li class="listitem"><p>Make sure umask is set to 0022.</p></li><li class="listitem"><p>Make sure the HCatalog host can access the MySQL server. From a shell try:</p><pre class="screen">mysqld -h $FQDN_for_MySQL_server -u $FQDN_for_HCatalog_Server -p</pre><p>You will need to provide the password you set up for Hive/HCatalog during the installation process.</p></li><li class="listitem"><p>Make sure MySQL is running. By default, MySQL server does not start automatically on reboot.</p><p>To set auto-start on boot, from a shell, type:</p><pre class="screen">chkconfig -âlevel 35 mysql on</pre><p>To then start the service manually from a shell, type:</p><pre class="screen">service mysqld start</pre></li></ul></div></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 Requir
ements</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 c
lass="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"><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" id="webhelp-currentid"><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 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: âUnable to create new native threadâ 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 âyum install ambari-serverâ 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="amb
ari-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="fi
le"><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"/> <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="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-chap5-3-1.html
URL: http://svn.apache.org/viewvc/incubator/ambari/site/1.2.1/installing-hadoop-using-ambari/content/ambari-chap5-3-1.html?rev=1444637&view=auto
==============================================================================
--- incubator/ambari/site/1.2.1/installing-hadoop-using-ambari/content/ambari-chap5-3-1.html (added)
+++ incubator/ambari/site/1.2.1/installing-hadoop-using-ambari/content/ambari-chap5-3-1.html Mon Feb 11 00:28:28 2013
@@ -0,0 +1,51 @@
+<?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>3.3. Problem: âUnable to create new native threadâ exceptions in HDFS DataNode logs or those of any system daemon - 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-chap5-3.html" title="3. Specific Issues"/><link rel="prev" href="ambari-chap5-3-b.html" title="3.2. Problem: Install Wizard reports that the cluster install has failed"/><link rel="next" href="ambari-chap5-3-2.html" title="3.4. Problem: The âyum install ambari-serverâ Command Fails"/><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><script type="text/javascript">
+ //The id for tree cookie
+ var treeCookieId = "treeview-3955";
+ 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>3.3. Problem: âUnable to create new native threadâ exceptions in HDFS DataNode logs or those of any system daemon</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-chap5-3-b.html">Prev</a>
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+ <a accesskey="u" class="navLinkUp" onclick="_gaq.push(['_trackEvent', 'Header', 'upLink', 'click', 1]);" tabindex="5" href="ambari-chap5-3.html">Up</a>
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+ <a accesskey="n" class="navLinkNext" onclick="_gaq.push(['_trackEvent', 'Header', 'nextLink', 'click', 1]);" tabindex="5" href="ambari-chap5-3-2.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-chap5-3-1"> </a>3.3. Problem: âUnable to create new native threadâ exceptions in HDFS DataNode logs or those of any system daemon</h3></div></div></div><p>If your nproc limit is incorrectly configured, the smoke tests fail and you see an error similar
+to this in the DataNode logs:</p><pre class="programlisting">
+INFO org.apache.hadoop.hdfs.DFSClient: Exception
+increateBlockOutputStream java.io.EOFException
+INFO org.apache.hadoop.hdfs.DFSClient: Abandoning block
+blk_-6935524980745310745_139190
+</pre><div class="section"><div xmlns="" class="titlepage"><div><div><h4 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="ambari-chap5-3-1-1"> </a>3.3.1. Solution:</h4></div></div></div><p>In certain recent Linux distributions (like RHEL v6.x/CentOS v6.x), the default value
+of <code class="literal">nproc</code> is lower than the value required if you are deploying the
+HBase service. To change this value:</p><div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><p>Using a text editor, open <code class="literal">/etc/security/limits.d/90-nproc.conf</code>
+and change the <code class="literal">nproc</code>Â limit to approximately 32000. For more information, see
+<a class="link" href="http://hbase.apache.org/book.html#ulimi" target="_top">ulimit and nproc recommendations
+for HBase servers</a>.</p></li><li class="listitem"><p>Restart the HBase server.</p></li></ol></div></div></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="f
ile"><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 ta
bindex="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"><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.htm
l">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 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" id="webhelp-currentid"><span class="file"><a href="ambari-chap5-3-1.html">3.3. Problem: âUnable to create new native threadâ 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 âyum install ambari-serverâ 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 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 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"/> <input onclick="Verifie(ditaSearch_Form)" type="button" class="searchButton" value="Go" id="doSearch"/></center></fieldset></form></div><div id="searchResults"><center/></div
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+++ incubator/ambari/site/1.2.1/installing-hadoop-using-ambari/content/ambari-chap5-3-10.html Mon Feb 11 00:28:28 2013
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+<title>3.11. Problem: Attempting to Start HBase REST server causes either REST server or Ambari Web to fail - Apache Ambari
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="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>3.11. Problem: Attempting to Start HBase REST server causes either REST server or Ambari Web to fail</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-chap5-3-9.html">Prev</a>
+ |
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+ <a accesskey="n" class="navLinkNext" onclick="_gaq.push(['_trackEvent', 'Header', 'nextLink', 'click', 1]);" tabindex="5" href="ambari-chap6.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-chap5-3-10"> </a>3.11. Problem: Attempting to Start HBase REST server causes either REST server or Ambari Web to fail</h3></div></div></div><p>As an option you can start the HBase REST server manually after the install process is
+complete. It can be started on any host that has the HBase Master or the Region Server installed.</p><div class="section"><div xmlns="" class="titlepage"><div><div><h4 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="ambari-chap5-3-10-1"> </a>3.11.1. Solution</h4></div></div></div><p>If you attempt to start the HBase REST server on the same host as the Ambari server, however,
+you need to start it with the -p option, as its default port is 8080 and that conflicts with the
+Ambari Web default port. Use the following command to start the REST
+server.</p><pre class="screen">/usr/lib/hbase/bin/hbase-daemon.sh start rest -p <custom_port_number></pre><p>
+</p></div></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 tabinde
x="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="fil
e"><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 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></s
pan></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="ambar
i-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 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. S
olution</a></span></li></ul></li><li tabindex="2"><span class="file"><a href="ambari-chap5-3-1.html">3.3. Problem: âUnable to create new native threadâ 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 âyum install ambari-serverâ 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 Daemo
n 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></s
pan></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" id="webhelp-currentid"><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"/> <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="toggleHighlight()">Search Highlighter (On/Off)<
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="ambari-chap5-3-2-1"> </a>3.4.1. Solution:</h4></div></div></div><p>You may have incompatible versions of some software components in your environment. Check the
+list in <a class="link" href="ambari-chap1-5-1.html" title="5.1. Check Existing Installs">Check Existing Installs</a> and make any necessary
+changes. Also make sure you are running a <a class="link" href="ambari-chap1-2.html#ambari-chap1-2-2" title="2.2. Operating Systems Requirements">Supported Operating
+System</a></p></div></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></sp
an><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 Apach
e 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/HC
at </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 h
ref="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 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: âUnable to create new native threadâ 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" id="webhelp-currentid"><span class="file"><a href="ambari-chap5-3-2.html">3.4. Problem: The âyum install ambari-serverâ 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 incorrectly in Ambari Web</a></span><ul><li tabindex="2"><span class="file"><a href="ambari-chap5-3-8.html#ambari-cha
p5-3-8-1">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></sp
an></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"/> <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="toggleHighlight()">Search Highlighter
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