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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>Setting Up Replay Clients</title> <meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1.1 Build 005" /> <meta name="date" content="2009-06-04T10:50:31Z" /> <meta name="robots" content="noarchive" /> <meta name="doctitle" content="Setting Up Replay Clients" /> <meta name="relnum" content="11g Release 2 (11.2)" /> <meta name="partnum" content="E12254-01" /> <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="dbr_replay012.htm" title="Previous" type="text/html" /> <link rel="next" href="dbr_replay014.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="dbr_replay012.htm"><img src="./dcommon/gifs/leftnav.gif" alt="Previous" /><br /> <span class="icon">Previous</span></a> </td> <td align="center"><a href="dbr_replay014.htm"><img src="./dcommon/gifs/rightnav.gif" alt="Next" /><br /> <span class="icon">Next</span></a></td> </tr> </table> <p><a id="CHDICJHE" name="CHDICJHE"></a><a id="RATUG143" name="RATUG143"></a></p> <div class="sect2"><!-- infolevel="all" infotype="General" --> <h1>Setting Up Replay Clients</h1> <a name="BEGIN" id="BEGIN"></a> <p>The replay client is a multithreaded program (an executable named wrc located in the <code>$ORACLE_HOME/bin</code> directory) where each thread submits a workload from a captured session. Before replay begins, the database will wait for replay clients to connect. At this point, you need to set up and start the replay clients, which will connect to the replay system and send requests based on what has been captured in the workload.</p> <p>Before starting replay clients, ensure that the:</p> <ul> <li> <p>Replay client software is installed on the hosts where it will run</p> </li> <li> <p>Replay clients have access to the replay directory</p> </li> <li> <p>Replay directory contains the preprocessed workload capture</p> </li> <li> <p>Replay user has the correct user ID, password, and privileges (the replay user needs the DBA role and cannot be the <code>SYS</code> user)</p> </li> </ul> <p>After these prerequisites are met, you can proceed to set up and start the replay clients using the wrc executable. The wrc executable uses the following syntax:</p> <pre xml:space="preserve" class="oac_no_warn"> wrc [user/password[@server]] MODE=[value] [keyword=[value]] </pre> <p>The parameters <code>user</code> and <code>password</code> specify the username and password used to connect to the host where the wrc executable is installed. The parameter <code>server</code> specifies the server where the wrc executable is installed. The parameter <code>mode</code> specifies the mode in which to run the wrc executable. Possible values include <code>replay</code> (the default), <code>calibrate</code>, and <code>list_hosts</code>. The parameter <code>keyword</code> specifies the options to use for the execution and is dependent on the mode selected. To display the possible keywords and their corresponding values, run the wrc executable without any arguments.</p> <p>The following sections describe the modes that you can select when running the wrc executable:</p> <ul> <li> <p><a href="dbr_replay014.htm#CHDFDGBD">Calibrating Replay Clients</a></p> </li> <li> <p><a href="dbr_replay015.htm#CHDDDJDH">Starting Replay Clients</a></p> </li> <li> <p><a href="dbr_replay016.htm#CHDBBAAE">Displaying Host Information</a></p> </li> </ul> <div class="helpinfonotealso"> <h2>Related Topics</h2> <p><a href="dbr_replay004.htm#CHDHHDGE">Steps for Replaying a Database Workload</a></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 © 2008, 2009, Oracle and/or its affiliates. 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