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https://issues.apache.org/jira/browse/ACCUMULO-3439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14277075#comment-14277075
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Brian Loss commented on ACCUMULO-3439:
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The balance method in GroupBalancer does nothing if there are any incoming
migrations. You probably want to check the incoming migrations and only bail
out if any of those migrations are for the specific table that the
GroupBalancer is managing.
> Balance groups of tablets within a table evenly
> -----------------------------------------------
>
> Key: ACCUMULO-3439
> URL: https://issues.apache.org/jira/browse/ACCUMULO-3439
> Project: Accumulo
> Issue Type: Improvement
> Reporter: Keith Turner
> Assignee: Keith Turner
> Fix For: 1.7.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> For Fluo applications, the ability to balance groups of tablets within a
> table evenly is needed. This could be done with a new tablet balancer could
> do this. This balancer should have the following properties.
> * Allows user to define function to group tablets.
> * Spreads groups of tablet evenly across tservers.
> * Minimizes on the number of groups present on each tserver.
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