Zhijie Shen created YARN-3551:
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Summary: Consolidate data model change according the backend
implementation
Key: YARN-3551
URL: https://issues.apache.org/jira/browse/YARN-3551
Project: Hadoop YARN
Issue Type: Sub-task
Components: timelineserver
Reporter: Zhijie Shen
Assignee: Zhijie Shen
Based on the comments on
[YARN-3134|https://issues.apache.org/jira/browse/YARN-3134?focusedCommentId=14512080&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14512080]
and
[YARN-3411|https://issues.apache.org/jira/browse/YARN-3411?focusedCommentId=14512098&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14512098],
we need to change the data model to restrict the data type of
info/config/metric section.
1. Info: the value could be all kinds object that is able to be
serialized/deserialized by jackson.
2. Config: the value will always be assumed as String.
3. Metric: single data or time series value have to be number for aggregation.
Other than that, info/start time/finish time of metric seem not to be necessary
for storage. They should be removed.
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