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From mikopacz <>
Subject Unexpected cpu load and Solr incrase response time
Date Tue, 22 Nov 2011 14:51:54 GMT
Hi, we currently have 2 servers running on JBoss container (master and slave)
with 20mln documents and about 3GB index size.
Java was executed with options:
*-Xms12G -Xmx12G -XX:NewSize=4G -XX:MaxNewSize=4G -XX:MaxPermSize=256m
-Dorg.jboss.resolver.warning=true -Dsun.rmi.dgc.client.gcInterval=3600000
-Dsun.rmi.dgc.server.gcInterval=3600000 -XX:+UseCompressedOops -XX:+UseTLAB
-XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+CMSParallelRemarkEnabled*

Commit duration on master is 5 minutes and we use Solr 3.3 (because in 3.4
we have a problem with dataimport 

We have problem that occurs when server gets about *34* qps. *Do you have
any advice how to fix this problem?* I have attached the charts below. The
load and threads count increases between 19:00 and 20:00. On 20:10 we
reduced by half the number of queries.

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