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SubjectRe: Swappiness vs. mmap() and interactive response
> > 1. please post your /proc/meminfo
> > 2. Do above copy make tons swap-out? IOW your disk read much faster than write?
> > 3. cache limitation of memcgroup solve this problem?
> > 4. Which disk have your /bin and /usr/bin?
> >
> FWIW I fundamentally object to 3 as being a solution.

Yes, I also think so.

> I still think the idea of read-ahead driven drop-behind is a good one,
> alas last time we brought that up people thought differently.

sorry, I can't recall this patch. do you have any pointer or url?

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