Github user mridulm commented on the pull request:
https://github.com/apache/spark/pull/2247#issuecomment-54267869
Yes, exactly : with higher block size configured sometimes.
Most tasks will not incur (de)compression overhead except for the very few
which spill due to skew.
On 03-Sep-2014 2:09 pm, "Reynold Xin" <[email protected]> wrote:
> I don't get it. Are you saying compression is turned on for spill files,
> but not for general shuffle files?
>
> And in response to your original question about sort leakage: yes this is
> breaking that. See discussion in #2178 (comment)
> <https://github.com/apache/spark/pull/2178#issuecomment-54214760>
>
> â
> Reply to this email directly or view it on GitHub
> <https://github.com/apache/spark/pull/2247#issuecomment-54267261>.
>
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