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Posted to hdfs-issues@hadoop.apache.org by "Todd Lipcon (Updated) (JIRA)" <ji...@apache.org> on 2011/12/14 22:33:30 UTC

[jira] [Updated] (HDFS-2681) Add ZK client for leader election

     [ https://issues.apache.org/jira/browse/HDFS-2681?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Todd Lipcon updated HDFS-2681:
------------------------------

         Component/s: ha
    Target Version/s: HA branch (HDFS-1623)
       Fix Version/s: HA branch (HDFS-1623)
    
> Add ZK client for leader election
> ---------------------------------
>
>                 Key: HDFS-2681
>                 URL: https://issues.apache.org/jira/browse/HDFS-2681
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ha
>    Affects Versions: HA branch (HDFS-1623)
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>             Fix For: HA branch (HDFS-1623)
>
>
> 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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