Zhijie Shen created YARN-3914:
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Summary: Entity created time should be part of the row key of
entity table
Key: YARN-3914
URL: https://issues.apache.org/jira/browse/YARN-3914
Project: Hadoop YARN
Issue Type: Sub-task
Components: timelineserver
Reporter: Zhijie Shen
Assignee: Zhijie Shen
Entity created time should be part of the row key of entity table, between
entity type and entity Id. The reason to have it is to index the entities.
Though we cannot index the entities for all kinds of information, indexing them
according to the created time is very necessary. Without it, every query for
the latest entities that belong to an application and a type will scan through
all the entities that belong to them. For example, if we want to list the 100
latest started containers in an YARN app.
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