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https://issues.apache.org/jira/browse/YARN-9443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17244973#comment-17244973
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zhuqi commented on YARN-9443:
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[~prabhujoseph] [~leftnoteasy]
It's a greate improvement, i am looking forward to the design. And i can help
to finish some sub-tasks when i am free, and i wish it can apply to our
production cluster with thousands of nodes, i will be very helpful.
Thanks a lot.
> Fast RM Failover using Ratis (Raft protocol)
> --------------------------------------------
>
> Key: YARN-9443
> URL: https://issues.apache.org/jira/browse/YARN-9443
> Project: Hadoop YARN
> Issue Type: New Feature
> Components: resourcemanager
> Affects Versions: 3.2.0
> Reporter: Prabhu Joseph
> Assignee: Prabhu Joseph
> Priority: Major
>
> During Failover, the RM Standby will have a lag as it has to recover from
> Zookeeper / FileSystem StateStore. RM HA using Ratis (Raft Protocol) can
> achieve Fast failover as all RMs are in sync already. This is used by Ozone -
> HDDS-505.
>
> cc [~nandakumar131]
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