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https://issues.apache.org/jira/browse/YARN-3551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14516422#comment-14516422
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Li Lu commented on YARN-3551:
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Hi [~zjshen], thanks for the update. The latest patch LGTM. About startTime and
endTime, I'll modify my implementation according to this.
Since this is a data model related change, let's keep it hanging there for a
little while, and then commit it?
> Consolidate data model change according to 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
> Attachments: YARN-3551.1.patch, YARN-3551.2.patch
>
>
> 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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