Date: Wed, 24 Dec 2014 15:23:14 +0300 From: Dmitry Sivachenko <trtrmitya@gmail.com> To: Konstantin Belousov <kostikbel@gmail.com> Cc: "hackers@freebsd.org" <hackers@freebsd.org> Subject: Re: mmap() question Message-ID: <48AF6092-DD43-470B-A89A-93EA8A38CDC1@gmail.com> In-Reply-To: <20141008170152.GG2153@kib.kiev.ua> References: <95E0B821-BF9B-4EBF-A1E5-1DDCBB1C3D1B@gmail.com> <20131011051702.GE41229@kib.kiev.ua> <A5E3C0A2-F0D5-47B1-8992-4B9DA347C275@gmail.com> <20131012095919.GI41229@kib.kiev.ua> <5C10922E-7030-4C89-9FD3-DA770E462067@gmail.com> <20141008170152.GG2153@kib.kiev.ua>
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> On 8 =CF=CB=D4. 2014 =C7., at 21:01, Konstantin Belousov = <kostikbel@gmail.com> wrote: >>=20 >=20 > I wrote something different after discussion with Alan, it instead = measures > the pagedaemon progress. Unfortunately, I have some issues with = auto-tuning > the detection. Could you try the patch below. Possibly, you would = need > to change vm.pageout_oom_miss (either lower or raise, depending on the > load) to get the tuning. Bigger the value, more the time pagedaemon = tries > to make any progress before declaring OOM. Sorry for the delay. I tried your patch and I was unable to reproduce = test program crash with OOM error. Thanks!=
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