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From "Sangjin Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3046) [Event producers] Implement MapReduce AM writing MR events to v2 ATS
Date Tue, 21 Apr 2015 17:08:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-3046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14505286#comment-14505286
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Sangjin Lee commented on YARN-3046:
-----------------------------------

LGTM.

Just to close on one point, at a later point let's consider whether HierarchicalTimelineEntity
makes more sense for the MR entities. If the parent-child navigation becomes more important
(it's not clear if it will), then there seems to be a slight advantage with using HierarchicalTimelineEntity.
If that turns out to be the case, we could conceivably create subclasses in a standard place
for MR, and have all use cases use those concrete subclasses. But I'm fine deferring that
aspect a little bit. It's not a critical point.

> [Event producers] Implement MapReduce AM writing MR events to v2 ATS
> --------------------------------------------------------------------
>
>                 Key: YARN-3046
>                 URL: https://issues.apache.org/jira/browse/YARN-3046
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Sangjin Lee
>            Assignee: Junping Du
>         Attachments: YARN-3046-no-test-v2.patch, YARN-3046-no-test.patch, YARN-3046-v1-rebase.patch,
YARN-3046-v1.patch, YARN-3046-v2.patch, YARN-3046-v3.patch, YARN-3046-v4.patch, YARN-3046-v5.patch,
YARN-3046-v6.patch
>
>
> Per design in YARN-2928, select a handful of MR metrics (e.g. HDFS bytes written) and
have the MR AM write the framework-specific metrics to ATS.



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