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https://issues.apache.org/jira/browse/HBASE-5914?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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chunhui shen updated HBASE-5914:
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Attachment: HBASE-5914.patch
In the HBASE-5914.patch,
We create a method AssignmentManager#quickAssign:
It first bulk assign regions with bulk plan to available servers,
If some is failed, remove servers from available servers and retry
> Using bulk assign regions in the process of ServerShutdownHandler
> -----------------------------------------------------------------
>
> Key: HBASE-5914
> URL: https://issues.apache.org/jira/browse/HBASE-5914
> Project: HBase
> Issue Type: Improvement
> Reporter: chunhui shen
> Assignee: chunhui shen
> Attachments: HBASE-5914.patch
>
>
> In the process of ServerShutdownHandler, we currently assign regions singly.
> In the large cluster, one regionserver always carried many regions, this
> action is quite slow.
> What about using bulk assign regions like cluster start up.
> In current logic, if we failed assigning many regions to one destination
> server, we will wait unitl timeout,
> however in the process of ServerShutdownHandler, we should retry it to
> another server.
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