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From "Aaron T. Myers (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-7992) Add ZK client for leader election
Date Sat, 03 Mar 2012 01:11:58 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-7992?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aaron T. Myers updated HADOOP-7992:
-----------------------------------

    Issue Type: New Feature  (was: Sub-task)
        Parent:     (was: HADOOP-7454)
    
> Add ZK client for leader election
> ---------------------------------
>
>                 Key: HADOOP-7992
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7992
>             Project: Hadoop Common
>          Issue Type: New Feature
>          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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