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From "Stefan Will (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-1988) OutOfMemoryError in RegionServer
Date Wed, 18 Nov 2009 18:50:39 GMT
OutOfMemoryError in RegionServer

                 Key: HBASE-1988
                 URL: https://issues.apache.org/jira/browse/HBASE-1988
             Project: Hadoop HBase
          Issue Type: Bug
    Affects Versions: 0.20.2
         Environment: Java 1.6.0_16 64bit on CentOS with 3000M max heap
            Reporter: Stefan Will

RegionServers tend to die with an OutOfMemoryError under load. I expected this problem to
go away with the fix for HBASE-1927 in 0.20.2 RC1, but it's still happening. Also, when this
happens the cluster becomes unresponsive, even once the load on the machines has gone back
down. Interestingly there are lots and lots of scanner lease expired messages right before
the OOM.

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