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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-3609) Improve the selection of regions to balance; part 2
Date Thu, 10 Mar 2011 05:11:59 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13004966#comment-13004966
] 

Ted Yu commented on HBASE-3609:
-------------------------------

Since request count (HBASE-3507) is contained in HRegion, not HRegionInfo, there is more work
to be done so that decaying moving average of request rate (in Ryan's term) is available to
LoadBalancer.
This can be done in other JIRAs.

I suggest 3609-alternate.txt be checked in first.


> Improve the selection of regions to balance; part 2
> ---------------------------------------------------
>
>                 Key: HBASE-3609
>                 URL: https://issues.apache.org/jira/browse/HBASE-3609
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: stack
>            Assignee: Ted Yu
>         Attachments: 3609-alternate.txt, hbase-3609-by-region-age.txt, hbase-3609.txt
>
>
> See 'HBASE-3586  Improve the selection of regions to balance' for discussion of algorithms
that improve on current random assignment.

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