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https://issues.apache.org/jira/browse/HBASE-1066?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack updated HBASE-1066:
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Fix Version/s: 0.19.0
Pulling into 0.19.0. We can punt on it later. HBASE-1073 makes for a case
where we have a single region of many out of sync. The 'repair' is currently
shutting down the regionserver which is very disruptive, especially in small
cluster with each node carrying many regions. Need a way for the master to
send a CLOSE region from shell/UI. See how hard to do.
> Master should support close/open/reassignment/enable/disable operations on
> individual regions
> ---------------------------------------------------------------------------------------------
>
> Key: HBASE-1066
> URL: https://issues.apache.org/jira/browse/HBASE-1066
> Project: Hadoop HBase
> Issue Type: Improvement
> Reporter: Andrew Purtell
> Fix For: 0.19.0
>
>
> The master should support close/open/reassignment/enable/disable operations
> on individual regions by way of a client API and corresponding shell
> command(s), and maybe also controls on the master UI.
>
> If one region out of 1000s is closed or offline, for example due to transient
> DFS problems, currently the whole table must be disabled, then reenabled to
> trigger reassignment and, hopefully, successful (re)open of the offline
> regions. The flurry of compactions this causes can exacerbate the underlying
> problem and actually make cluster state worse, as more DFS errors accumulate.
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