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Posted to notifications@accumulo.apache.org by "Eric Newton (JIRA)" <ji...@apache.org> on 2012/10/11 15:49:02 UTC

[jira] [Resolved] (ACCUMULO-770) TableLoadBalancer / DefaultLoadBalancer assigns tables unevenly

     [ https://issues.apache.org/jira/browse/ACCUMULO-770?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Newton resolved ACCUMULO-770.
----------------------------------

    Resolution: Fixed

resolved with r1397048 and r1397050
                
> TableLoadBalancer / DefaultLoadBalancer assigns tables unevenly
> ---------------------------------------------------------------
>
>                 Key: ACCUMULO-770
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-770
>             Project: Accumulo
>          Issue Type: Bug
>          Components: master
>    Affects Versions: 1.4.1
>            Reporter: Eric Newton
>            Assignee: Eric Newton
>             Fix For: 1.4.2
>
>
> During assignment, each table balancer starts assigning tablets in order.  This ensures the the "lowest" tabletserver gets at least one tablet for each table.  This can make for an unbalanced cluster when there are many small tables.  Randomize the list of tablets in the DefaultLoadBalancer to evenly distribute tablets on a new cluster.

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