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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>Customizing the Database Performance Page</title> <meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1.1 Build 005" /> <meta name="date" content="2009-05-27T15:13:2Z" /> <meta name="robots" content="noarchive" /> <meta name="doctitle" content="Customizing the Database Performance Page" /> <meta name="relnum" content="11g Release 2 (11.2)" /> <meta name="partnum" content="E10822-01" /> <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="tdppt_realtime022.htm" title="Previous" type="text/html" /> <link rel="next" href="tdppt_alerts.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="tdppt_realtime022.htm"><img src="./dcommon/gifs/leftnav.gif" alt="Previous" /><br /> <span class="icon">Previous</span></a> </td> <td align="center"><a href="tdppt_alerts.htm"><img src="./dcommon/gifs/rightnav.gif" alt="Next" /><br /> <span class="icon">Next</span></a></td> </tr> </table> <p><a id="CBBIGBHH" name="CBBIGBHH"></a><a id="TDPPT313" name="TDPPT313"></a></p> <div class="sect1"><!-- infolevel="all" infotype="General" --> <h1>Customizing the Database Performance Page</h1> <a name="BEGIN" id="BEGIN"></a> <p><a id="sthref165" name="sthref165"></a><a id="sthref166" name="sthref166"></a>You can customize the Performance page so that it specifically addresses your requirements. As explained in <a href="tdppt_realtime011.htm#CHDBEHAG">"Monitoring Instance Activity"</a>, you can specify which charts you want to appear by default in the Performance page, and how you want them to appear. You can also decide whether to include baseline values in the Throughput and Services charts.</p> <p>Enterprise Manager stores persistent customization information for each user in the repository. Enterprise Manager retrieves the customization data when you access the Performance page and caches it for the remainder of the browser session until you change the settings.</p> <p class="orderedlisttitle">To customize the Performance page: </p> <ol> <li> <p>From the Database Home page, click <span class="bold">Performance</span>.</p> <p>The Performance page appears.</p> </li> <li> <p>On the Performance page, click <img src="shortcut.png" alt="callback" border="0" /><a href="javascript:void(0);" onclick="redirectEMpage('PERFORMANCE_PAGE_SETTINGS');"><span class="bold">Settings</span></a>.</p> <p>The Performance Page Settings page appears.</p> </li> <li> <p>In the Detailed Chart Settings section, choose the defaults for display of the instance activity charts. Complete the following steps:</p> <ol> <li> <p>In <span class="bold">Default View</span>, select the instance activity chart to appear by default in the Average Active Session section.</p> <p>See <a href="tdppt_realtime011.htm#CHDBEHAG">"Monitoring Instance Activity"</a> for a description of the Throughput, I/O, Parallel Execution, and Services charts.</p> </li> <li> <p>In <span class="bold">Throughput Chart Settings</span>, select <span class="bold">Per Second</span> or <span class="bold">Per Transaction</span> as the default instance throughput rate to be displayed in the Throughput chart.</p> <p>See <a href="tdppt_realtime012.htm#CBBIFFHE">"Monitoring Throughput"</a> to learn how to use the Throughput charts.</p> </li> <li> <p>In <span class="bold">I/O Chart Settings</span>, select the default I/O breakdown to be displayed in the I/O chart.</p> <p>See <a href="tdppt_realtime013.htm#CBBIFFJE">"Monitoring I/O"</a> to learn how to use the I/O charts.</p> </li> </ol> </li> <li> <p>In the Baseline Display section, choose how AWR baselines will be displayed in the performance charts. Do one of the following:</p> <ul> <li> <p>Select <span class="bold">Do not show the baseline values</span> to prevent baselines from appearing.</p> </li> <li> <p>Select <span class="bold">Show the 99th percentile line using the system moving window baseline</span> to specify a percentile to display for the Throughput and Services charts.</p> </li> <li> <p>Select <span class="bold">Show the 99th percentile line using a static baseline with computed statistics</span> and then select a baseline name from the Baseline Name list.</p> <p>You can select only baselines that have undergone schedule statistics computation, as described in <a href="tdppt_degrade006.htm#CACDAEHC">"Computing Threshold Statistics for Baselines"</a>.</p> </li> </ul> </li> <li> <p>Click <span class="bold">OK</span>.</p> <p>The Performance page appears.</p> <p>The charts are now displayed according to your customized settings.</p> <div class="helpinfonotealso"> <h2>Related Topics</h2> <p><a href="tdppt_realtime.htm#CHDIHEBJ">Monitoring Real-Time Database Performance</a></p> <p><a href="tdppt_degrade001.htm#CACEAHIJ">Managing Baselines</a></p> </div> </li> </ol> </div> <!-- class="sect1" --> <!-- 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 © 2007, 2009, Oracle and/or its affiliates. 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