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https://issues.apache.org/jira/browse/HBASE-4780?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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nkeywal updated HBASE-4780:
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Attachment: 4780_trunk.patch
let give it another go
> Lower mini cluster shutdown time in HRegionServer#waitOnAllRegionsToClose and
> ServerManager#letRegionServersShutdown
> --------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-4780
> URL: https://issues.apache.org/jira/browse/HBASE-4780
> Project: HBase
> Issue Type: Improvement
> Components: master, regionserver, test
> Affects Versions: 0.94.0
> Environment: all
> Reporter: nkeywal
> Assignee: nkeywal
> Priority: Minor
> Attachments: 4780_trunk.patch, 4780_trunk.patch
>
>
> HRegionServer#waitOnAllRegionsToClose sleep 1s
> Lower waiting time
> benefits: around 0.8s at shutdown
> ServerManager.letRegionServersShutdown() waits 1 second => responsible for
> 0.5 seconds in a HBase cluster stops
> Can be replaced by a notification
> Benefits: around 0.5s at shutdown
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