Rohith Sharma K S created MAPREDUCE-7106:
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Summary: RM Recovery is delayed much if ATS1/1.5 server is not
running.
Key: MAPREDUCE-7106
URL: https://issues.apache.org/jira/browse/MAPREDUCE-7106
Project: Hadoop Map/Reduce
Issue Type: Bug
Reporter: Rohith Sharma K S
Assignee: Rohith Sharma K S
It is observed that if ATS1/1.5 daemon is not running, RM recovery is delayed
as long as timeline client get timed out for each applications. By default,
timed out will take around 5 mins. If completed applications are more then
amount of time RM will wait is *(number of completed applications in a cluster
* 5 minutes)* which is kind of hanged.
Primary reason for this behavior is YARN-3044 YARN-4129 which refactor existing
system metric publisher. This refactoring made appFinished event as synchronous
which was asynchronous earlier.
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