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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14473) Compute region locality in parallel
Date Wed, 30 Sep 2015 00:03:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14936120#comment-14936120
] 

Hudson commented on HBASE-14473:
--------------------------------

FAILURE: Integrated in HBase-TRUNK #6854 (See [https://builds.apache.org/job/HBase-TRUNK/6854/])
HBASE-14473 Compute region locality in parallel (eclark: rev dbbef06135a97578ffc0300eae7ff4df87eff672)
* hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/RegionLocationFinder.java


> Compute region locality in parallel
> -----------------------------------
>
>                 Key: HBASE-14473
>                 URL: https://issues.apache.org/jira/browse/HBASE-14473
>             Project: HBase
>          Issue Type: Bug
>          Components: Balancer
>    Affects Versions: 1.2.0
>            Reporter: Elliott Clark
>            Assignee: Elliott Clark
>             Fix For: 2.0.0, 1.2.0, 1.3.0
>
>         Attachments: HBASE-14473-v1.patch, HBASE-14473-v2.patch, HBASE-14473-v3.patch,
HBASE-14473-v4.patch, HBASE-14473.patch
>
>
> Right now on large clusters it's necessary to turn off the locality balance cost as it
takes too long to compute the region locality. This is because it's computed when need in
serial.
> We should compute this in parallel before it's needed.



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