Botong Huang created YARN-8581:
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Summary: [AMRMProxy] Add sub-cluster timeout in
LocalityMulticastAMRMProxyPolicy
Key: YARN-8581
URL: https://issues.apache.org/jira/browse/YARN-8581
Project: Hadoop YARN
Issue Type: Task
Components: amrmproxy, federation
Reporter: Botong Huang
Assignee: Botong Huang
In Federation, every time an AM heartbeat comes in,
LocalityMulticastAMRMProxyPolicy in AMRMProxy splits the asks according to the
list of active and enabled sub-clusters. However, if we haven't been able to
heartbeat to a sub-cluster for some time (network issues, or we keep hitting
some exception from YarnRM, or YarnRM master-slave switch is taking a long time
etc.), we should consider the sub-cluster as unhealthy and stop routing asks
there, until the heartbeat channel becomes healthy again.
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