Vrushali C created YARN-4063:
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Summary: Populate the flow activity table
Key: YARN-4063
URL: https://issues.apache.org/jira/browse/YARN-4063
Project: Hadoop YARN
Issue Type: Sub-task
Reporter: Vrushali C
Need to populate the flow_activity table
-Stores per day flow run pointers and info
-Written to by RM’s collector for application lifecycle
primary key: cluster ! day timestamp ! user ! flow id
-For the day timestamp we can take the millis since epoch for the end of the
day (24:00h).
columns include runids, start time, end time, snapshot time
-This table will also be used to efficiently retrieve the flows that had an
activity in a certain day. That is needed for daily aggregations, but also for
several UIs, including a flow-based UI.
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