[jira] Commented: (HBASE-614) Retiring regions is not used; exploit or remove

["Jim Kellerman (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-614?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12595389#action_12595389 ] 

Jim Kellerman commented on HBASE-614:
-------------------------------------

The window for doing gets while a region is closing is pretty small. Removing retiringRegions.

> Retiring regions is not used; exploit or remove
> -----------------------------------------------
>
>                 Key: HBASE-614
>                 URL: https://issues.apache.org/jira/browse/HBASE-614
>             Project: Hadoop HBase
>          Issue Type: Improvement
>    Affects Versions: 0.2.0, 0.1.2
>            Reporter: stack
>            Assignee: Jim Kellerman
>             Fix For: 0.2.0
>
>
> There is a little dance around region close where a region first gets moved into the retiring queue.  The idea, IIRC, was that regions in retiring could serve reads while close was going about its business.   Meant that region was online that bit longer.
> This feature is not used any more -- regions are added to retiring but gets do not bother to look in retiring.  We should either remove retiring cocept altogether or else make use of it again.

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