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Date: Wed, 25 Jan 2012 17:34:42 +0000 (UTC)
From: "Harsh J (Commented) (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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Subject: [jira] [Commented] (HADOOP-7992) Add ZK client for leader election
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    [ https://issues.apache.org/jira/browse/HADOOP-7992?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13193150#comment-13193150 ] 

Harsh J commented on HADOOP-7992:
---------------------------------

Just wondering if Curator would've been a better choice here, instead of writing our own?
                
> 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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