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