Subru Krishnan created YARN-5905:
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Summary: Update the RM webapp host that is reported as part of
Federation membership to current primary RM's IP
Key: YARN-5905
URL: https://issues.apache.org/jira/browse/YARN-5905
Project: Hadoop YARN
Issue Type: Sub-task
Components: federation, resourcemanager
Affects Versions: YARN-2915
Reporter: Subru Krishnan
Assignee: Subru Krishnan
Priority: Minor
Currently when RM HA is enabled, the webapp host is randomly picked from one of
the ensemble RMs and relies on redirect to pick the active primary RM. This has
a few shortcomings:
* There's an overhead of additional network hop.
* Sometimes the rmId selected might be an instance which is
inactive/decommissioned
* In few of our clusters, we have redirects disabled (either in client or
server side) and then the invocation fails.
This JIRA proposes updating the RM webapp host that is reported as part of
Federation membership to the current primary RM's IP.
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