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From "Sahil Takiar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-18525) Add explain plan to Hive on Spark Web UI
Date Mon, 02 Apr 2018 22:47:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-18525?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16423239#comment-16423239
] 

Sahil Takiar commented on HIVE-18525:
-------------------------------------

[~xuefuz], [~aihuaxu] could you take a look?

> Add explain plan to Hive on Spark Web UI
> ----------------------------------------
>
>                 Key: HIVE-18525
>                 URL: https://issues.apache.org/jira/browse/HIVE-18525
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Spark
>            Reporter: Sahil Takiar
>            Assignee: Sahil Takiar
>            Priority: Major
>         Attachments: HIVE-18525.1.patch, HIVE-18525.2.patch, HIVE-18525.3.patch, HIVE-18525.4.patch,
Job-Page-Collapsed.png, Job-Page-Expanded.png, Map-Explain-Plan.png, Reduce-Explain-Plan.png
>
>
> More of an investigation JIRA. The Spark UI has a "long description" of each stage in
the Spark DAG. Typically one stage in the Spark DAG corresponds to either a {{MapWork}} or
{{ReduceWork}} object. It would be useful if the long description contained the explain plan
of the corresponding work object.
> I'm not sure how much additional overhead this would introduce. If not the full explain
plan, then maybe a modified one that just lists out all the operator tree along with each
operator name.



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