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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8391) StochasticLoadBalancer doesn't call needsBalance
Date Tue, 23 Apr 2013 18:57:17 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13639404#comment-13639404
] 

Hudson commented on HBASE-8391:
-------------------------------

Integrated in hbase-0.95-on-hadoop2 #77 (See [https://builds.apache.org/job/hbase-0.95-on-hadoop2/77/])
    HBASE-8390  Trunk/0.95 cannot simply compile against Hadoop 1.0
HBASE-8391  StochasticLoadBalancer doesn't call needsBalance (Revision 1471051)

     Result = FAILURE
jdcryans : 
Files : 
* /hbase/branches/0.95/dev-support/test-patch.sh
* /hbase/branches/0.95/hbase-common/pom.xml
* /hbase/branches/0.95/hbase-examples/pom.xml
* /hbase/branches/0.95/hbase-it/pom.xml
* /hbase/branches/0.95/hbase-server/pom.xml
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/DefaultLoadBalancer.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java
* /hbase/branches/0.95/pom.xml

                
> StochasticLoadBalancer doesn't call needsBalance
> ------------------------------------------------
>
>                 Key: HBASE-8391
>                 URL: https://issues.apache.org/jira/browse/HBASE-8391
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.95.0
>            Reporter: Jean-Daniel Cryans
>            Assignee: Jean-Daniel Cryans
>             Fix For: 0.98.0, 0.95.1
>
>         Attachments: HBASE-8391.patch
>
>
> StochasticLoadBalancer doesn't call BaseLoadBalancer.needsBalance so it always try to
compute a move even if the cluster is correctly balanced. While looking at that code I figured
I could refactor the basic checks into BaseLoadBalancer. 

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