Date: Thu, 18 Oct 2012 18:11:51 +0300 From: Nikolay Denev <ndenev@gmail.com> To: Ivan Voras <ivoras@freebsd.org> Cc: freebsd-hackers@freebsd.org Subject: Re: NFS server bottlenecks Message-ID: <6DAAB1E6-4AC7-4B08-8CAD-0D8584D039DE@gmail.com> In-Reply-To: <CAF-QHFUU0hhtRNK1_p9zks2w%2Be22bfWOtv%2BXaqgFqTiURcJBbQ@mail.gmail.com> References: <937460294.2185822.1350093954059.JavaMail.root@erie.cs.uoguelph.ca> <302BF685-4B9D-49C8-8000-8D0F6540C8F7@gmail.com> <k5gtdh$nc0$1@ger.gmane.org> <0857D79A-6276-433F-9603-D52125CF190F@gmail.com> <CAF-QHFUU0hhtRNK1_p9zks2w%2Be22bfWOtv%2BXaqgFqTiURcJBbQ@mail.gmail.com>
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On Oct 15, 2012, at 5:34 PM, Ivan Voras <ivoras@freebsd.org> wrote: > On 15 October 2012 16:31, Nikolay Denev <ndenev@gmail.com> wrote: >>=20 >> On Oct 15, 2012, at 2:52 PM, Ivan Voras <ivoras@freebsd.org> wrote: >=20 >>> http://people.freebsd.org/~ivoras/diffs/nfscache_lock.patch >>>=20 >>> It should apply to HEAD without Rick's patches. >>>=20 >>> It's a bit different approach than Rick's, breaking down locks even = more. >>=20 >> Applied and compiled OK, I will be able to test it tomorrow. >=20 > Ok, thanks! >=20 > The differences should be most visible in edge cases with a larger > number of nfsd processes (16+) and many CPU cores. I'm now rebooting with your patch, and hopefully will have some results = tomorrow.
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