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From "Hyukjin Kwon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-26143) Shuffle shuffle default storage level
Date Mon, 26 Nov 2018 16:28:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-26143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16699229#comment-16699229
] 

Hyukjin Kwon commented on SPARK-26143:
--------------------------------------

Is it a question or an issue?

> Shuffle shuffle default storage level
> -------------------------------------
>
>                 Key: SPARK-26143
>                 URL: https://issues.apache.org/jira/browse/SPARK-26143
>             Project: Spark
>          Issue Type: New Feature
>          Components: Shuffle
>    Affects Versions: 2.3.0
>            Reporter: Avi minsky
>            Priority: Major
>
> Currently developer can set storage level explicitly only on persist command but shuffling
can occur in many cases (group by, join, etc..) why can we set a default persist type, this
can be helpful in many cases (also will automatically allow replication of shuffle blocks
if set to memory_only_2, for example)



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