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<!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" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <meta http-equiv="Content-Script-Type" content="text/javascript" /> <title>Monitoring Performance and Troubleshooting</title> <meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1 Build 135" /> <meta name="date" content="2009-06-04T14:31:50Z" /> <meta name="robots" content="noarchive" /> <meta name="doctitle" content="Monitoring Performance and Troubleshooting" /> <meta name="relnum" content="11g Release 2 (11.2)" /> <meta name="partnum" content="E10743-01" /> <link rel="copyright" href="./dcommon/html/cpyr.htm" title="Copyright" type="text/html" /> <link rel="stylesheet" href="./dcommon/css/blafdoc.css" title="Oracle BLAFDoc" type="text/css" /> <link rel="contents" href="toc.htm" title="Contents" type="text/html" /> <link rel="prev" href="tdprc_config_odpnet_client.htm" title="Previous" type="text/html" /> <link rel="next" href="tdprc_rac_stats_and_events.htm" title="Next" type="text/html" /> <script src="./callback.js" type="text/javascript"></script> <noscript>Your browser does not support JavaScript. This help page requires JavaScript to render correctly.</noscript> </head> <body> <div class="zz-skip-header"><a href="#BEGIN">Skip Headers</a></div> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> <col width="86%" /> <col width="*" /> <tr valign="bottom"> <td align="left"></td> <td align="center"><a href="tdprc_config_odpnet_client.htm"><img src="./dcommon/gifs/leftnav.gif" alt="Previous" /><br /> <span class="icon">Previous</span></a> </td> <td align="center"><a href="tdprc_rac_stats_and_events.htm"><img src="./dcommon/gifs/rightnav.gif" alt="Next" /><br /> <span class="icon">Next</span></a></td> </tr> </table> <p><a id="BABHHGFC" name="BABHHGFC"></a><a id="TDPRC322" name="TDPRC322"></a></p> <h1>Monitoring Performance and Troubleshooting</h1> <p><a name="BEGIN" id="BEGIN"></a></p> <p>Performance tuning for an Oracle Real Application Clusters (Oracle RAC) database is very similar to performance tuning for a single-instance database. Many of the tuning tasks that you perform on single-instance Oracle databases can also improve performance of your Oracle RAC database. This section focuses on the performance tuning and monitoring tasks that are unique to Oracle RAC. For information about general performance tuning, refer to <a href="topicid:ADMQS010">Monitoring and Tuning the Database</a>.</p> <p>This section includes the following topics:</p> <ul> <li> <p><a href="tdprc_rac_stats_and_events.htm#CJHEHEFD">Monitoring Oracle RAC Database and Cluster Performance</a></p> </li> <li> <p><a href="tdprc_other_perf_charts.htm#CACDGHED">Viewing Other Performance Related Charts</a></p> </li> <li> <p><a href="tdprc_clustdb_topology.htm#CFFIHBBH">Viewing the Cluster Database Topology</a></p> </li> <li> <p><a href="tdprc_monitor_crs.htm#BABHEGHG">Monitoring Oracle Clusterware</a></p> </li> <li> <p><a href="tdprc_config_problems.htm#CJHGGCCA">Troubleshooting Configuration Problems in Oracle RAC Environments</a></p> </li> </ul> <div class="helpinfonotealso"> <h2>Related Topics</h2> <p><a href="topicid:ADMQS010">Monitoring and Tuning the Database</a> for more information about basic database tuning</p> <p><a href="topicid:TDPPT002">Introduction</a> for more information about general performance tuning</p> <p><a href="javascript:open('http://www.oracle.com/pls/db112/lookup?id=RACAD025','newWindow').focus()"><span class="italic">Oracle Real Application Clusters Administration and Deployment Guide</span></a> for more information about diagnosing problems for Oracle Real Application Clusters components</p> <p><a href="javascript:open('http://www.oracle.com/pls/db112/lookup?id=CWADD530','newWindow').focus()"><span class="italic">Oracle Clusterware Administration and Deployment Guide</span></a> for more information about diagnosing problems for Oracle Clusterware components</p> </div> <!-- Start Footer --> <div class="footer"> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> <col width="86%" /> <col width="*" /> <tr> <td align="left"><span class="copyrightlogo">Copyright © 2006, 2009, Oracle and/or its affiliates. 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