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Posted to yarn-issues@hadoop.apache.org by "Varun Saxena (JIRA)" <ji...@apache.org> on 2017/10/21 06:06:39 UTC
[jira] [Updated] (YARN-3551) Consolidate data model change
according to the backend implementation
[ https://issues.apache.org/jira/browse/YARN-3551?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Varun Saxena updated YARN-3551:
-------------------------------
Fix Version/s: 2.9.0
> 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
> Fix For: 2.9.0, 3.0.0-alpha1
>
> Attachments: YARN-3551-YARN-2928.4.patch, YARN-3551-YARN-2928.5.patch, YARN-3551.1.patch, YARN-3551.2.patch, YARN-3551.3.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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