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From "Harsh J (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-4345) ZK-based High Availability (HA) for ResourceManager (RM)
Date Sun, 17 Jun 2012 07:07:42 GMT
Harsh J created MAPREDUCE-4345:
----------------------------------

             Summary: ZK-based High Availability (HA) for ResourceManager (RM)
                 Key: MAPREDUCE-4345
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4345
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
            Reporter: Harsh J


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.

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