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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-149) ResourceManager (RM) High-Availability (HA)
Date Mon, 01 Jul 2013 17:58:20 GMT

     [ https://issues.apache.org/jira/browse/YARN-149?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bikas Saha updated YARN-149:
----------------------------

    Description: This jira tracks work needed to be done to support one RM instance failing
over to another RM instance so that we can have RM HA. Work includes leader election, transfer
of control to leader and client re-direction to new leader.  (was:  One of the goals presented
on MAPREDUCE-279 was to have high availability. One way that was discussed, per Mahadev/others
on https://issues.apache.org/jira/browse/MAPREDUCE-2648 and other places, was ZK:

{quote}
Am not sure, if you already know about the MR-279 branch (the next version of MR framework).
We've been trying to integrate ZK into the framework from the beginning. As for now, we are
just doing restart with ZK but soon we should have a HA soln with ZK.
{quote}

There is now MAPREDUCE-4343 that tracks recoverability via ZK. This JIRA is meant to track
HA via ZK.

Currently there isn't a HA solution for RM, via ZK or otherwise.)
    
> ResourceManager (RM) High-Availability (HA)
> -------------------------------------------
>
>                 Key: YARN-149
>                 URL: https://issues.apache.org/jira/browse/YARN-149
>             Project: Hadoop YARN
>          Issue Type: New Feature
>            Reporter: Harsh J
>            Assignee: Bikas Saha
>
> This jira tracks work needed to be done to support one RM instance failing over to another
RM instance so that we can have RM HA. Work includes leader election, transfer of control
to leader and client re-direction to new leader.

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