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https://issues.apache.org/jira/browse/HBASE-15093?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ashu Pachauri updated HBASE-15093:
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Status: Patch Available (was: Open)
> Replication can report incorrect size of log queue for the global source when
> multiwal is enabled
> -------------------------------------------------------------------------------------------------
>
> Key: HBASE-15093
> URL: https://issues.apache.org/jira/browse/HBASE-15093
> Project: HBase
> Issue Type: Bug
> Components: Replication
> Affects Versions: 2.0.0, 1.2.0, 1.2.1
> Reporter: Ashu Pachauri
> Assignee: Ashu Pachauri
> Priority: Minor
> Attachments: HBASE-15093-V0.patch
>
>
> Replication can report incorrect size for the size of log queue for the
> global source when multiwal is enabled. This happens because the method
> MetricsSource#setSizeofLogQueue performs non-trivial operations in a
> multithreaded world, even though it is not synchronized.
> We can simply divide MetricsSource#setSizeofLogQueue into
> MetricsSource#incrSizeofLogQueue and MetricsSource#decrSizeofLogQueue. Not
> sure why we are currently directly setting the size instead of
> incrementing/decrementing it.
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