Bibin A Chundatt created YARN-5773:
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Summary: Skip LeafQueue#activateApplication for running
application on recovery
Key: YARN-5773
URL: https://issues.apache.org/jira/browse/YARN-5773
Project: Hadoop YARN
Issue Type: Bug
Reporter: Bibin A Chundatt
Assignee: Bibin A Chundatt
Priority: Critical
# Submit application 10K application to default queue.
# All applications are in accepted state
# Now restart resourcemanager
For each application recovery {{LeafQueue#activateApplications()}} is
invoked.Resulting in AM limit check to be done even before Node managers are
getting registered.
Total iteration for N application is about {{N(N+1)/2}} for {{10K}} application
{{50000000}} iterations causing time take for Rm to be active more than 10
min.
Since NM resources are not yet added to during recovery we should skip
{{activateApplicaiton()}}
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