purge and transparent huge pages

Bradley C. Kuszmaul bradley at mit.edu
Tue May 13 09:15:54 PDT 2014

I've had trouble like this, and had to disable transparent huge pages
(advise or never seem ok).


On Tue, May 13, 2014 at 12:03 PM, Tommy Reilly <gnurizen at gmail.com> wrote:

> We've witnessed long running applications on linux have RSS growing slowly
> where active and allocated stats level off and stay where we expect them.
> We believe this is a combination of fragmentation in our program and
> failure of purge due to linux's transparent huge pages feature.  We don't
> see this problem on kernels with transparent huge pages disabled.
> Has anyone else seen this?
> Tommy
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