On January 24, 2017 2:17 AM Johannes Weiner wrote:
>
> We noticed a regression on multiple hadoop workloads when moving from
> 3.10 to 4.0 and 4.6, which involves kswapd getting tangled up in page
> writeout, causing direct reclaim herds that also don't make progress.
>
> I tracked it down to th
We noticed a regression on multiple hadoop workloads when moving from
3.10 to 4.0 and 4.6, which involves kswapd getting tangled up in page
writeout, causing direct reclaim herds that also don't make progress.
I tracked it down to the thrash avoidance efforts after 3.10 that make
the kernel better
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