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Posted to hdfs-dev@hadoop.apache.org by "Suresh Srinivas (Created) (JIRA)" <ji...@apache.org> on 2011/12/14 09:52:30 UTC

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

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
    Affects Versions: HA branch (HDFS-1623)
            Reporter: Suresh Srinivas
            Assignee: Suresh Srinivas


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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