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https://issues.apache.org/jira/browse/HBASE-14922?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Elliott Clark updated HBASE-14922:
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Attachment: HBASE-14922-v2.patch
Fix some checkstyle and update the javadoc.
> Delayed flush doesn't work causing flush storms.
> ------------------------------------------------
>
> Key: HBASE-14922
> URL: https://issues.apache.org/jira/browse/HBASE-14922
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 2.0.0, 1.2.0, 1.1.2
> Reporter: Elliott Clark
> Assignee: Elliott Clark
> Fix For: 2.0.0, 1.2.0, 1.3.0
>
> Attachments: HBASE-14922-v1.patch, HBASE-14922-v2.patch,
> HBASE-14922.patch
>
>
> Starting all regionservers at the same time will mean that most
> PeriodicMemstoreFlusher's will be running at the same time. So all of these
> threads will queue flushes at about the same time.
> This was supposed to be mitigated by Delayed. However that isn't nearly
> enough. This results in the immediate filling up and then draining of the
> flush queues every hour.
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