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From "Rohith Sharma K S (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6027) Support fromId for flows API
Date Wed, 11 Jan 2017 08:39:58 GMT

    [ https://issues.apache.org/jira/browse/YARN-6027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15817675#comment-15817675
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Rohith Sharma K S commented on YARN-6027:
-----------------------------------------

bq. Is that making things slow? 
Yes, it is slow

bq. Should we consider aggregating at the server side before returning data? That way, the
amount of data returned is less.
Yup, this what we really looking. Given a date range, Flow collapse would be better and also
pagination will be easier for collapsed flows. Importantly, collapsed flows retrieval should
be fixed(we can define new limit), and this can not be same as limit. 

> Support fromId for flows API 
> -----------------------------
>
>                 Key: YARN-6027
>                 URL: https://issues.apache.org/jira/browse/YARN-6027
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Rohith Sharma K S
>            Assignee: Rohith Sharma K S
>              Labels: yarn-5355-merge-blocker
>
> In YARN-5585 , fromId is supported for retrieving entities. We need similar filter for
flows/flowRun apps and flow run and flow as well. 
> Along with supporting fromId, this JIRA should also discuss following points
> * Should we throw an exception for entities/entity retrieval if duplicates found?
> * TimelieEntity :
> ** Should equals method also check for idPrefix?
> ** Does idPrefix is part of identifiers?



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