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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-149) ResourceManager (RM) High-Availability (HA)
Date Mon, 01 Jul 2013 17:48:22 GMT

    [ https://issues.apache.org/jira/browse/YARN-149?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13697005#comment-13697005
] 

Bikas Saha commented on YARN-149:
---------------------------------

I will be posting a short design/road-map document shortly. If anyone has ideas, notes etc.
then please start posting so that I can consolidate them. Overall, most of the tools and interfaces
are already available in common via the HDFS HA project. The work will mainly be around integrating
them with YARN/RM.
                
> 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
>
>  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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