Prabhu Joseph created YARN-9443:
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Summary: 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
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.
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