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https://issues.apache.org/jira/browse/YARN-3863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15186298#comment-15186298
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Sangjin Lee commented on YARN-3863:
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{quote}
Maybe we support both and let user specify if he wants to return the metric or
not.
Say a in default case in REST(in YARN-4447) we can have representation like
metric1 ne 40 (means metric1 != 40 and metric existence is not required) and
metric1 ene 40 (means metric1 != 40 and metric existence is required).
Thoughts ?
{quote}
That would be awesome!
> Support complex filters in TimelineReader
> -----------------------------------------
>
> Key: YARN-3863
> URL: https://issues.apache.org/jira/browse/YARN-3863
> Project: Hadoop YARN
> Issue Type: Sub-task
> Affects Versions: YARN-2928
> Reporter: Varun Saxena
> Assignee: Varun Saxena
> Labels: yarn-2928-1st-milestone
> Attachments: YARN-3863-YARN-2928.v2.01.patch,
> YARN-3863-YARN-2928.v2.02.patch, YARN-3863-YARN-2928.v2.03.patch,
> YARN-3863-feature-YARN-2928.wip.003.patch,
> YARN-3863-feature-YARN-2928.wip.01.patch,
> YARN-3863-feature-YARN-2928.wip.02.patch,
> YARN-3863-feature-YARN-2928.wip.04.patch,
> YARN-3863-feature-YARN-2928.wip.05.patch
>
>
> Currently filters in timeline reader will return an entity only if all the
> filter conditions hold true i.e. only AND operation is supported. We can
> support OR operation for the filters as well. Additionally as primary backend
> implementation is HBase, we can design our filters in a manner, where they
> closely resemble HBase Filters.
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