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From "Sahil Takiar (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-18378) Explain plan should show if a Map/Reduce Work is being cached
Date Wed, 07 Feb 2018 19:00:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-18378?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sahil Takiar updated HIVE-18378:
--------------------------------
    Attachment: HIVE-18378.1.patch

> Explain plan should show if a Map/Reduce Work is being cached
> -------------------------------------------------------------
>
>                 Key: HIVE-18378
>                 URL: https://issues.apache.org/jira/browse/HIVE-18378
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Spark
>            Reporter: Sahil Takiar
>            Assignee: liyunzhang
>            Priority: Major
>         Attachments: HIVE-18378.1.patch
>
>
> It would be nice if the explain plan showed what {{MapWork}} / {{ReduceWork}} objects
are being cached by Spark.
> The {{CombineEquivalentWorkResolver}} is the only code that triggers Spark cache-ing,
so we should be able to modify it so that it displays if a work object will be cached or not.



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