Github user chenghao-intel commented on the pull request:
https://github.com/apache/spark/pull/10225#issuecomment-205712538
@JoshRosen I am not sure if this still be part of your refactorings, or can
we bring up this PR? This PR is quite critical performance improvement when
mixed PCI-E SSD / HDD, particularly for the large mount of data shuffling
scenario.
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