57 lines
3.2 KiB
HTML
57 lines
3.2 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<META http-equiv="Content-Type" content="text/html; charset=utf-8">
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<LINK rel="stylesheet" type="text/css" href="../../../rzahg/ic.css">
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<title>Performance tips for wsadmin</title>
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</head>
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<BODY>
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<!-- Java sync-link -->
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<SCRIPT LANGUAGE="Javascript" SRC="../../../rzahg/synch.js" TYPE="text/javascript"></SCRIPT>
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<h4><a name="prftunewsa"></a>Performance tips for wsadmin</h4>
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<ul>
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<li><p>When you run a command from wsadmin, a new process is created with a new Java virtual machine (JVM). If you run multiple wsadmin -c commands from a batch file or a shell script, each command must run in its own JVM. The -f option creates only one process and JVM, and the Java classes are loaded only once, regardless of how many commands are in the file.</p>
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<p>The following examples invoke multiple application installation commands:</p>
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<ul>
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<li><p><strong>Jacl:</strong></p>
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<pre>wsadmin -c "$AdminApp install /home/myApps/App1.ear {-appname appl1}"
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wsadmin -c "$AdminApp install /home/myApps/App2.ear {-appname appl2}"
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wsadmin -c "$AdminApp install /home/myApps/App3.ear {-appname appl3}"</pre></li>
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<li><p><strong>Jython:</strong></p>
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<pre>wsadmin -lang jython -c "AdminApp.install('/home/myApps/App1.ear',
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'[-appname appl1]')"
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wsadmin -lang jython -c "AdminApp.install('/home/myApps/App2.ear',
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'[-appname appl2]')"
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wsadmin -lang jython -c "AdminApp.install('/home/myApps/App3.ear',
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'[-appname appl3]')"</pre></li>
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</ul>
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<p>To improve performance, you can run the wsadmin command with the -f option and specify a file that contains the installation commands.</p>
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<ul>
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<li><p><strong>Jacl:</strong>
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<br>The file is named appinst.jacl, and it contains these commands:</p>
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<pre>$AdminApp install /home/myApps/App1.ear {-appname appl1}
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$AdminApp install /home/myApps/App2.ear {-appname appl2}
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$AdminApp install /home/myApps/App3.ear {-appname appl3}</pre>
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<p>To invoke the file, run this command:</p>
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<pre>wsadmin -f appinst.jacl</pre></li>
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<li><p><strong>Jython:</strong>
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<br>The file is named appinst.py, and it contains these commands:</p>
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<pre>AdminApp.install('/home/myApps/App1.ear', '[-appname appl1]')
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AdminApp.install('/home/myApps/App2.ear', '[-appname appl2]')
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AdminApp.install('/home/myApps/App3.ear', '[-appname appl3]')</pre>
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<p>To invoke the file, run this command:</p>
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<pre>wsadmin -lang jython -f appinst.py</pre></li>
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</ul><p></p></li>
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<li><p>The AdminControl queryNames and completeObjectName commands can consume a large amount of resources in more complex topologies. For example, if you run a single instance that contains only a few MBeans, the <tt>$AdminControl queryNames *</tt> command performs well. However, if a scripting client connects to the deployment manager in a multiple machine environment, use a command only if it is necessary for the script to obtain a list of all of the MBeans in the system. If you need the MBeans on a specific node, it is recommended that you run the command as follows:</p>
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<pre>$AdminControl queryNames node=myNode,*</pre>
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<p>In this example, the command returns a list of only the MBeans on myNode.<p></li>
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</ul>
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</body>
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</html>
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