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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14473) Compute region locality in parallel
Date Tue, 29 Sep 2015 23:59:05 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14936114#comment-14936114
] 

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

FAILURE: Integrated in HBase-1.2 #208 (See [https://builds.apache.org/job/HBase-1.2/208/])
HBASE-14473 Compute region locality in parallel (eclark: rev 0bef1acce9707d1f2093ee3acd5aab5f40c6e371)
* 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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