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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10915) Decouple region closing (HM and HRS) from ZK
Date Thu, 01 May 2014 06:48:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10915?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13986405#comment-13986405
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stack commented on HBASE-10915:
-------------------------------

bq. When I think at high level, ZK is used know mostly to coordinate ops between HM and HRS,
so operations which has to be abstracted presumably, mostly involve both HM and HRS side.
So may be for now put it all under o.a.h.h.consensus?

This is reasonable rationale.  Mess around w/ it.  If it feels right, lets go w/ it (make
a note somewhere that this is what we decided maybe in a class comment or so...)

Let me look at hbase-11092.

> Decouple region closing (HM and HRS) from ZK
> --------------------------------------------
>
>                 Key: HBASE-10915
>                 URL: https://issues.apache.org/jira/browse/HBASE-10915
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Consensus, Zookeeper
>    Affects Versions: 0.99.0
>            Reporter: Mikhail Antonov
>            Assignee: Mikhail Antonov
>         Attachments: HBASE-10915.patch, HBASE-10915.patch, HBASE-10915.patch, HBASE-10915.patch,
HBASE-10915.patch, HBASE-10915.patch, HBASE-10915.patch, HBASE-10915.patch, HBASE-10915.patch,
HBASE-10915.patch
>
>
> Decouple region closing from ZK. 
> Includes RS side (CloseRegionHandler), HM side (ClosedRegionHandler) and the code using
(HRegionServer, RSRpcServices etc).
> May need small changes in AssignmentManager.



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