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Posted to issues@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2012/12/09 23:09:21 UTC
[jira] [Assigned] (HBASE-7309) Metrics refresh-task is not canceled
when regions are closed, leaking HRegion objects
[ https://issues.apache.org/jira/browse/HBASE-7309?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ted Yu reassigned HBASE-7309:
-----------------------------
Assignee: Adrian Muraru
> Metrics refresh-task is not canceled when regions are closed, leaking HRegion objects
> -------------------------------------------------------------------------------------
>
> Key: HBASE-7309
> URL: https://issues.apache.org/jira/browse/HBASE-7309
> Project: HBase
> Issue Type: Bug
> Components: metrics, regionserver
> Affects Versions: 0.96.0
> Reporter: Adrian Muraru
> Assignee: Adrian Muraru
> Priority: Critical
> Attachments: HBASE-7309_v1.patch, HBASE-7309_v2.patch
>
>
> While investigating HBASE-7205 by repeatedly enabling and disabling one table having 100 regions I noticed that closed HRegion objects are kept forever in memory.
> The memory analyzer tool indicates a reference to HRegion object in metrics refresh-task ({{MetricsRegionWrapperImpl.HRegionMetricsWrapperRunnable}}) that prevents the HRegion object to be collected.
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