Junping Du created YARN-7027:
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Summary: Log aggregation finish time should get logged for trouble
shooting.
Key: YARN-7027
URL: https://issues.apache.org/jira/browse/YARN-7027
Project: Hadoop YARN
Issue Type: Sub-task
Components: log-aggregation
Reporter: Junping Du
Assignee: Junping Du
Now, RM track application log aggregation status in RMApp and the status change
is triggered by NM heartbeat with log aggregation report. For each node's log
aggregation status change from in-progress
(NOT_START,RUNNING,RUNNING_WITH_FAILURE) to final status (SUCCEEDED,FAILED,
TIMEOUT), it trigger an aggregation for log aggregation status:
updateLogAggregationStatus(). The whole progress is log less and we cannot
trace the log aggregation problem (delay of log aggregation, etc.) from RM (or
NM) log. We should add more log here.
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