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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2011/05/31 05:18:47 UTC

[jira] [Commented] (HBASE-3373) Allow regions of specific table to be load-balanced

    [ https://issues.apache.org/jira/browse/HBASE-3373?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13041395#comment-13041395 ] 

stack commented on HBASE-3373:
------------------------------

The need for this issue keeps coming up.  I'm not sure if it the requesters are post 0.90.2 (and HBASE-3586).  I'd think the latter should have made our story better but maybe not (We should get folks to note if they are complaining post 0.90.2 or not).

> Allow regions of specific table to be load-balanced
> ---------------------------------------------------
>
>                 Key: HBASE-3373
>                 URL: https://issues.apache.org/jira/browse/HBASE-3373
>             Project: HBase
>          Issue Type: Improvement
>          Components: master
>    Affects Versions: 0.20.6
>            Reporter: Ted Yu
>             Fix For: 0.92.0
>
>         Attachments: HbaseBalancerTest2.java
>
>
> From our experience, cluster can be well balanced and yet, one table's regions may be badly concentrated on few region servers.
> For example, one table has 839 regions (380 regions at time of table creation) out of which 202 are on one server.
> It would be desirable for load balancer to distribute regions for specified tables evenly across the cluster. Each of such tables has number of regions many times the cluster size.

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