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Posted to issues@hive.apache.org by "Sahil Takiar (JIRA)" <ji...@apache.org> on 2018/02/22 00:42:00 UTC

[jira] [Assigned] (HIVE-18525) Add explain plan to Hive on Spark Web UI

     [ https://issues.apache.org/jira/browse/HIVE-18525?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sahil Takiar reassigned HIVE-18525:
-----------------------------------

    Assignee: Sahil Takiar

> 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
>
> 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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