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From "David Smiley (JIRA)" <>
Subject [jira] Created: (SOLR-1941) Jetty configuration is faulty with many cores & simultaneous requests
Date Fri, 04 Jun 2010 18:54:56 GMT
Jetty configuration is faulty with many cores & simultaneous requests

                 Key: SOLR-1941
             Project: Solr
          Issue Type: Bug
    Affects Versions: 3.1
            Reporter: David Smiley

There is a problem with the default configuration of Jetty in the Solr trunk release (not
present in Solr 1.4 and prior).  There is a difference in the jetty configuration which is
for the latest Solr to use the QueuedThreadPool (as seen in jetty.xml).  Previously, it had
used a BoundedThreadPool implementation that I've heard is considered deprecated presently.
 I have a multi-core setup where Jetty is serving up lots of Solr cores 9+ and when our client
does a distributed search (3 of them at a time actually), it triggers a condition in which
the query takes 50 plus seconds to respond.  During this time, the machine is effectively
idle, seemingly waiting for something.  To fix this, go back to the former BoundedThreadPool
implementation or don't use Jetty.  FWIW this has triggered us to swtich to Tomcat. 

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