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POJetty - blocked http requests for short period of time (up to 12 seconds)
 

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  1. POJetty - blocked http requests for short period of time (up to 12 seconds)
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    <p>I am using Jetty 7.3.1 as my webContainer on ubuntu server. I have there heavy loaded web, 300 users online, with a lot of ajax. My problem is, that every 1-2 minutes jetty stops to accept http requests, and those requests are waiting, mostly up to 12 seconds and than are processed. How can I find out what is going on??? Can I track logs somehow? How do I find that jetty is not restarting in that 12 seconds. Maybe there is something very wrong configured and jetty is trying to restart to fix it. How can I find out what is going on? Thanks for any idea.</p> <p>I have enough of memory and CPU load is fine.</p> <p>Here is my config snipet from jetty.xml: </p> <pre><code>&lt;Set name="ThreadPool"&gt; &lt;New class="org.eclipse.jetty.util.thread.QueuedThreadPool"&gt; &lt;Set name="minThreads"&gt;50&lt;/Set&gt; &lt;Set name="maxThreads"&gt;600&lt;/Set&gt; &lt;Set name="detailedDump"&gt;false&lt;/Set&gt; &lt;/New&gt; &lt;/Set&gt; &lt;Call name="addConnector"&gt; &lt;Arg&gt; &lt;New class="org.eclipse.jetty.server.nio.SelectChannelConnector"&gt; &lt;Set name="host"&gt;&lt;Property name="jetty.host" /&gt;&lt;/Set&gt; &lt;Set name="port"&gt;&lt;Property name="jetty.port" default="80"/&gt;&lt;/Set&gt; &lt;Set name="maxIdleTime"&gt;30000&lt;/Set&gt; &lt;Set name="Acceptors"&gt;2&lt;/Set&gt; &lt;Set name="statsOn"&gt;false&lt;/Set&gt; &lt;Set name="confidentialPort"&gt;8443&lt;/Set&gt; &lt;Set name="lowResourcesConnections"&gt;5000&lt;/Set&gt; &lt;Set name="lowResourcesMaxIdleTime"&gt;2000&lt;/Set&gt; &lt;Set name="useDirectBuffers"&gt;false&lt;/Set&gt; &lt;/New&gt; &lt;/Arg&gt; &lt;/Call&gt; </code></pre>
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    1. USLibor Havlicek
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    1. COI found solution. The lags were cause by JRebel. I kicked Jrebel out, and all lags are gone. Bad Bad JRebel:(
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      1. POJetty - blocked http requests for short period of time (up to 12 seconds)
      1. USLibor Havlicek
 

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