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Posted to issues@hbase.apache.org by "Jimmy Xiang (JIRA)" <ji...@apache.org> on 2012/11/03 01:18:12 UTC
[jira] [Assigned] (HBASE-7092) RegionServer OOM with jdk 1.7
related to ConcurrentHashMap class loader
[ https://issues.apache.org/jira/browse/HBASE-7092?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jimmy Xiang reassigned HBASE-7092:
----------------------------------
Assignee: Jimmy Xiang
> RegionServer OOM with jdk 1.7 related to ConcurrentHashMap class loader
> -----------------------------------------------------------------------
>
> Key: HBASE-7092
> URL: https://issues.apache.org/jira/browse/HBASE-7092
> Project: HBase
> Issue Type: Sub-task
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Fix For: 0.96.0
>
>
> One instance of "java.util.concurrent.ConcurrentHashMap" loaded by "<system class loader>" occupies 3,972,154,848 (92.88%) bytes. The instance is referenced by org.apache.hadoop.hbase.regionserver.HRegionServer @ 0x7038d3798 , loaded by "sun.misc.Launcher$AppClassLoader @ 0x703994668". The memory is accumulated in one instance of "java.util.concurrent.ConcurrentHashMap$Segment[]" loaded by "<system class loader>".
> Keywords
> sun.misc.Launcher$AppClassLoader @ 0x703994668
> java.util.concurrent.ConcurrentHashMap
> java.util.concurrent.ConcurrentHashMap$Segment[]
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