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https://issues.apache.org/jira/browse/HADOOP-9220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13658230#comment-13658230
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Hudson commented on HADOOP-9220:
--------------------------------
Integrated in Hadoop-Yarn-trunk #210 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk/210/])
HADOOP-9220. Unnecessary transition to standby in ActiveStandbyElector.
Contributed by Tom White and Todd Lipcon. (Revision 1482401)
Result = SUCCESS
todd : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1482401
Files :
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ActiveStandbyElector.java
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ha/DummyHAService.java
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ha/TestZKFailoverController.java
> Unnecessary transition to standby in ActiveStandbyElector
> ---------------------------------------------------------
>
> Key: HADOOP-9220
> URL: https://issues.apache.org/jira/browse/HADOOP-9220
> Project: Hadoop Common
> Issue Type: Bug
> Components: ha
> Reporter: Tom White
> Assignee: Tom White
> Priority: Critical
> Fix For: 3.0.0, 2.0.5-beta
>
> Attachments: HADOOP-9220.patch, HADOOP-9220.patch, hadoop-9220.txt
>
>
> When performing a manual failover from one HA node to a second, under some
> circumstances the second node will transition from standby -> active ->
> standby -> active. This is with automatic failover enabled, so there is a ZK
> cluster doing leader election.
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