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    configuring thread-pool-jboss-beans.xml
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    created by <a href="http://community.jboss.org/people/rvaneperen">Raymond Eperen</a> in <i>Beginner's Corner</i> - <a href="http://community.jboss.org/message/575504#575504">View the full discussion</a>
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<div class="jive-rendered-content"><p>I need to be sure I understand what I read about setting the max threads on jBoss 6.&#160; We are trying to set up for some load testing so I need it to be where it would be in production.&#160; Here is what I found in the docs:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>max-threads - optional; specifies the maximum number of threads which may be running concurrently.&#160; Attributes are:</p><ul style="background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; border-collapse: collapse; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; font-size: 12px; list-style-type: disc; list-style-position: initial; list-style-image: initial; outline-width: 0px; outline-style: initial; outline-color: initial; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 2.25em; background-position: initial initial; background-repeat: initial initial; margin: 0px; border: 0px initial initial;"><li style="background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; border-collapse: collapse; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; font-size: 12px; list-style-type: disc; list-style-position: initial; list-style-image: initial; outline-width: 0px; outline-style: initial; outline-color: initial; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;">count - optional float attribute; specifies a fixed quantity.</li><li style="background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; border-collapse: collapse; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; font-size: 12px; list-style-type: disc; list-style-position: initial; list-style-image: initial; outline-width: 0px; outline-style: initial; outline-color: initial; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;">per-cpu - optional float attribute; specifies a quantity which is multiplied by the number of available CPUs.&#160; Both quantities are then added and the final result is the actual count used.</li></ul><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>so if I use:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow-x: hidden; overflow-y: hidden;">&#160;&#160;&#160;&#160;&#160; &lt;bounded-queue-thread-pool-executor name="ThreadPool" blocking="true"&gt;</div><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow-x: hidden; overflow-y: hidden;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &lt;thread-factory name="ShortTasksThreadFactory"/&gt;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </div><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow-x: hidden; overflow-y: hidden;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &lt;queue-length count="500" per-cpu="200"/&gt;</div><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow-x: hidden; overflow-y: hidden;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &lt;core-threads count="100" per-cpu="50"/&gt;</div><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow-x: hidden; overflow-y: hidden;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &lt;max-threads count="200" per-cpu="100"/&gt;</div><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow-x: hidden; overflow-y: hidden;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &lt;keepalive-time time="30" unit="seconds"/&gt;</div><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow-x: hidden; overflow-y: hidden;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &lt;task-filter&gt;</div><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow-x: hidden; overflow-y: hidden;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &lt;clear-context-classloader/&gt;</div><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow-x: hidden; overflow-y: hidden;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &lt;clear-tls/&gt;</div><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow-x: hidden; overflow-y: hidden;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &lt;/task-filter&gt;</div><div id="_mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow-x: hidden; overflow-y: hidden;">&#160;&#160;&#160;&#160;&#160; &lt;/bounded-queue-thread-pool-executor&gt;</div><p>&#160;&#160;&#160;&#160;&#160; &lt;bounded-queue-thread-pool-executor name="ThreadPool" blocking="true"&gt;</p><p>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &lt;thread-factory name="ShortTasksThreadFactory"/&gt;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </p><p>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &lt;queue-length count="500" per-cpu="200"/&gt;</p><p>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &lt;core-threads count="100" per-cpu="50"/&gt;</p><p>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &lt;max-threads count="200" per-cpu="100"/&gt;</p><p>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &lt;keepalive-time time="30" unit="seconds"/&gt;</p><p>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &lt;task-filter&gt;</p><p>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &lt;clear-context-classloader/&gt;</p><p>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &lt;clear-tls/&gt;</p><p>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &lt;/task-filter&gt;</p><p>&#160;&#160;&#160;&#160;&#160; &lt;/bounded-queue-thread-pool-executor&gt;</p></p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>am I getting a max thread count of 100 x 2 cpu + 200 = 400?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>also, is this keepalive setting good for a production environment?&#160; Any other changes you would suggest in order for the server instance to handle a fairly heavy load?</p></div>

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    <p style="margin: 0;">Reply to this message by <a href="http://community.jboss.org/message/575504#575504">going to Community</a></p>
        <p style="margin: 0;">Start a new discussion in Beginner's Corner at <a href="http://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2075">Community</a></p>
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