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https://issues.apache.org/jira/browse/YARN-9443?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Prabhu Joseph updated YARN-9443:
--------------------------------
Description:
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]
was:
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.
> 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
> 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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