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https://issues.apache.org/jira/browse/HBASE-16156?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Kyle Purtell closed HBASE-16156.
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> In write heavy scenario creating in memory flushes leads to contention
> ----------------------------------------------------------------------
>
> Key: HBASE-16156
> URL: https://issues.apache.org/jira/browse/HBASE-16156
> Project: HBase
> Issue Type: Sub-task
> Affects Versions: 2.0.0
> Reporter: ramkrishna.s.vasudevan
> Priority: Major
> Fix For: 2.0.0
>
>
> In write heavy cases, the inmemory flushes blocks the write because it takes
> a update lock. Dumps show that it is causing heavy contention and leads to
> memstore filling up and so intern blocks the flush from happening sooner.
> This JIRA is to discuss optimal settings and then make suitable changes.
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