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From "Varun Saxena (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3863) Enhance filters in TimelineReader
Date Mon, 07 Dec 2015 08:16:11 GMT

    [ https://issues.apache.org/jira/browse/YARN-3863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15044546#comment-15044546
] 

Varun Saxena commented on YARN-3863:
------------------------------------

[~djp], sorry for replying so late to this comment.
bq. Actually, I think we should refactor existing getEntities() API before things get worse.
It include too many parameters, and most of them are optional. This is very un-handy, easily
cause bug and very hard to extend in future.
Yes, plan to do this as part of another JIRA. As you said box together all filters in one
class. And context info in another one.
This JIRA will involve changing around some of the params so lets do that first.

> Enhance 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
>
> 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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