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