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From "Eric Newton (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-2952) DefaultLoadBalancer takes a long time when tablets are highly unbalanced
Date Mon, 30 Jun 2014 19:39:25 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-2952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14048027#comment-14048027
] 

Eric Newton commented on ACCUMULO-2952:
---------------------------------------

Updated balancer seems to over-balance and knock all the tablets off a server.

> DefaultLoadBalancer takes a long time when tablets are highly unbalanced
> ------------------------------------------------------------------------
>
>                 Key: ACCUMULO-2952
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2952
>             Project: Accumulo
>          Issue Type: Bug
>          Components: master
>    Affects Versions: 1.5.0, 1.5.1, 1.6.0
>            Reporter: Eric Newton
>            Assignee: Eric Newton
>             Fix For: 1.7.0
>
>         Attachments: ACCUMULO-2952.patch01, ACCUMULO-2952.patch02, ACCUMULO-2952.patch03
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> After creating a thousand splits on a large cluster, I noticed the master was only moving
tablets to one server at a time.



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