miyoshi@hpc.bs1.fc.nec.co.jp wrote:

Hi, all

Is there any way to limit the size of pagecaches?

No.

I observed that performance of some memory hog benchmark
does not stable, depending on the pagecache size.
I think it is natural behavior of VM subsystem,
but some user care for perfomance stability :-<

If you could tell us what the problem was, and how to
reproduce it then we may be able to fix it or find a tuning
solution.

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