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https://issues.apache.org/jira/browse/SPARK-9808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14692589#comment-14692589
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Sandy Ryza commented on SPARK-9808:
-----------------------------------
I don't have strong opinions here, but as a data point: my impression was that
nearly everyone using hash-based shuffle was using shuffle file consolidation.
I believe we recommended it to most of our users when hash-based shuffle was
the default.
> Remove hash shuffle file consolidation
> --------------------------------------
>
> Key: SPARK-9808
> URL: https://issues.apache.org/jira/browse/SPARK-9808
> Project: Spark
> Issue Type: Improvement
> Components: Shuffle, Spark Core
> Reporter: Josh Rosen
> Assignee: Josh Rosen
>
> I think that we should remove {{spark.shuffle.consolidateFiles}} and its
> associated implementation for Spark 1.5.0. This feature isn't properly tested
> and does not work with the external shuffle service. Since it's likely to be
> buggy and since its motivation has been subsumed by sort-based shuffle, I
> think it's a prime candidate for removal now.
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