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https://issues.apache.org/jira/browse/HBASE-7992?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13600780#comment-13600780
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Anoop Sam John commented on HBASE-7992:
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[~apurtell]
When I saw the patch this doubt came to my mind too. I checked with other CP
pre hooks like preMove(). Here also the CP can bypass the flow but reply wise
there is no change. Ideally the reply should have a result flag and CP should
be able to change this (as you said). CP can do some necessary action and
bypass the core logic, still the operation may be treated as success only. What
do you say Andrew? May be we can handle that in another JIRA as that will be of
wider scope.
[~ram_krish] Rajesh's reasoning above make sense IMO. We can better document
this API as part of HBASE-8076.
I am +1 for this patch.
> provide pre/post region offline hooks for HMaster.offlineRegion().
> -------------------------------------------------------------------
>
> Key: HBASE-7992
> URL: https://issues.apache.org/jira/browse/HBASE-7992
> Project: HBase
> Issue Type: Bug
> Components: Coprocessors
> Affects Versions: 0.95.0
> Reporter: rajeshbabu
> Assignee: rajeshbabu
> Fix For: 0.98.0
>
> Attachments: HBASE-7992_trunk.patch
>
>
> presently no hooks to provide access control to offline region in master.
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