Github user liyezhang556520 commented on the pull request:
https://github.com/apache/spark/pull/2134#issuecomment-69528774
Hi @andrewor14 , I don't know if you have reproduced this issue. Since I
know most of your cases are tested on Amazon EC2 which are equipped with SSD.
And even one SSD's throughput may can be up to more than 3 HDDs' . So that this
problem may not that obvious on your cluster.
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