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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5953) Expose the current state of the balancerSwitch
Date Thu, 21 Jun 2012 22:49:43 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5953?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13398958#comment-13398958
] 

Hudson commented on HBASE-5953:
-------------------------------

Integrated in HBase-TRUNK #3055 (See [https://builds.apache.org/job/HBase-TRUNK/3055/])
    HBASE-5953 Expose the current state of the balancerSwitch (Gregory Chanan) (Revision 1352696)

     Result = FAILURE
tedyu : 
Files : 
* /hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/ClusterStatus.java
* /hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
* /hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/protobuf/generated/ClusterStatusProtos.java
* /hbase/trunk/hbase-server/src/main/protobuf/ClusterStatus.proto

                
> Expose the current state of the balancerSwitch
> ----------------------------------------------
>
>                 Key: HBASE-5953
>                 URL: https://issues.apache.org/jira/browse/HBASE-5953
>             Project: HBase
>          Issue Type: Improvement
>          Components: master
>    Affects Versions: 0.96.0
>            Reporter: David S. Wang
>            Assignee: Gregory Chanan
>            Priority: Minor
>             Fix For: 0.96.0
>
>         Attachments: 5953-v2.patch, HBASE-5953-v2.patch, HBASE-5953.patch
>
>
> The balancerSwitch as in both 0.90 and 0.92.1 is implemented in such a way that it is
impossible to retrieve its value without changing it:
> /**
> Turn the load balancer on or off.
> @param b If true, enable balancer. If false, disable balancer.
> @return Previous balancer value
> */
> public boolean balanceSwitch(final boolean b);
> It would be nice to have a way to just get the current state.

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