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Posted to dev@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2014/01/27 18:45:39 UTC

[jira] [Resolved] (HBASE-4464) Make region balancing parallel with balancer.balanceCluster()

     [ https://issues.apache.org/jira/browse/HBASE-4464?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack resolved HBASE-4464.
--------------------------

    Resolution: Not A Problem

Resolving.  For old balancer, not for new stochastic.

> Make region balancing parallel with balancer.balanceCluster()
> -------------------------------------------------------------
>
>                 Key: HBASE-4464
>                 URL: https://issues.apache.org/jira/browse/HBASE-4464
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Ted Yu
>
> balancer.balanceCluster() generates RegionPlans for HMaster.balance() to execute.
> We don't retract any RegionPlan in balancer.balanceCluster().
> In the near future, more complex algorithm would be introduced to try achieving maximum block location affinity for the regions to be moved. This means balancer.balanceCluster() would take longer to return.
> This JIRA makes region balancing parallel with balancer.balanceCluster()
> Meaning region balancing would be performed when balancer.balanceCluster() is still running.



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