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