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From "Justin Joseph (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7455) Introduce HA Service Protocol Interface
Date Fri, 05 Aug 2011 10:49:27 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13079897#comment-13079897
] 

Justin Joseph commented on HADOOP-7455:
---------------------------------------

If needed, hard coding the state ‘Neutral’ can be avoided since it is specific to Zookeeper
based failover, Instead this HA Service Interface can support custom states?

Also, want to repeat one suggestion I given earlier. Will it be good idea to bring all the
following life cycle management APIs under this interface?
{noformat}startInActive()
startInStandby()
stop(){noformat}

> Introduce HA Service Protocol Interface
> ---------------------------------------
>
>                 Key: HADOOP-7455
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7455
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: util
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>             Fix For: HA Branch (HDFS-1623)
>
>         Attachments: HADOOP-7455.1.patch, HADOOP-7455.2.patch, HADOOP-7455.3.patch, HADOOP-7455.4.patch,
HADOOP-7455.5.patch, HDFS-7454.patch
>
>
> This jira introduces a protocol interface to be implemented by services that provide
HA functionality.

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