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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HBASE-2480) Smarter load-balancing
Date Wed, 01 Sep 2010 17:25:53 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2480?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack resolved HBASE-2480.
--------------------------

    Fix Version/s: 0.90.0
       Resolution: Won't Fix

Resolving.  The new balancer addresses the issues raised here: i.e. "Load balancing is also
currently too aggressive. It cannot run while a server crash is being processed. Region splits
should not put two daughters back on the parent's RegionServer (often the balancer will come
along soon after and move one of the just opened daughters ... sort ofhbase-2240). "

This issue also wanted to be an umbrella issue for all to do w/ load balancing but given that
above are addressed and most of the dependent issues, this issue adds nothing.  Closing as
'wont fix'.

> Smarter load-balancing
> ----------------------
>
>                 Key: HBASE-2480
>                 URL: https://issues.apache.org/jira/browse/HBASE-2480
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: stack
>             Fix For: 0.90.0
>
>         Attachments: breakout_loadbalancer.txt
>
>
> Balancer is really basic; it just looks at counts of regions at the moment.  It also
as it currently works has loads of issues (See the linked issues) including a lack of testibility.
 This issue acts as the umbrella issue to collect all balancer improvements under.

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