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https://issues.apache.org/jira/browse/HADOOP-7992?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13193805#comment-13193805
]
Hudson commented on HADOOP-7992:
--------------------------------
Integrated in Hadoop-Hdfs-HAbranch-build #59 (See
[https://builds.apache.org/job/Hadoop-Hdfs-HAbranch-build/59/])
HADOOP-7992. Add ZKClient library to facilitate leader election.
Contributed by Bikas Saha.
suresh : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1235841
Files :
*
/hadoop/common/branches/HDFS-1623/hadoop-common-project/hadoop-common/CHANGES.HDFS-1623.txt
* /hadoop/common/branches/HDFS-1623/hadoop-common-project/hadoop-common/pom.xml
*
/hadoop/common/branches/HDFS-1623/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ActiveStandbyElector.java
*
/hadoop/common/branches/HDFS-1623/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ha/TestActiveStandbyElector.java
*
/hadoop/common/branches/HDFS-1623/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ha/TestActiveStandbyElectorRealZK.java
> Add ZK client for leader election
> ---------------------------------
>
> Key: HADOOP-7992
> URL: https://issues.apache.org/jira/browse/HADOOP-7992
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: ha
> Reporter: Suresh Srinivas
> Assignee: Bikas Saha
> Fix For: HA Branch (HDFS-1623)
>
> Attachments: HDFS-2681.HDFS-1623.patch, HDFS-2681.HDFS-1623.patch,
> HDFS-2681.HDFS-1623.patch, HDFS-2681.HDFS-1623.patch,
> HDFS-2681.HDFS-1623.patch, HDFS-2681.HDFS-1623.patch,
> HDFS-2681.HDFS-1623.patch, HDFS-2681.HDFS-1623.patch,
> HDFS-2681.HDFS-1623.patch, HDFS-2681.HDFS-1623.patch, HDFS-2681.txt,
> HDFS-2681.txt, Zookeeper based Leader Election and Monitoring Library.pdf
>
>
> ZKClient needs to support the following capabilities:
> # Ability to create a znode for co-ordinating leader election.
> # Ability to monitor and receive call backs when active znode status changes.
> # Ability to get information about the active node.
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