Date: Wed, 17 Oct 2012 17:57:05 +0300 From: Nikolay Denev <ndenev@gmail.com> To: Andriy Gapon <avg@freebsd.org> Cc: freebsd-fs@FreeBSD.org, dg17@penx.com, Dennis Glatting <dg@pki2.com> Subject: Re: I have a DDB session open to a crashed ZFS server Message-ID: <20F56CFC-3B97-4921-A2BF-2CCFA20669FD@gmail.com> In-Reply-To: <507EC242.1070809@FreeBSD.org> References: <1350317019.71982.50.camel@btw.pki2.com> <201210160844.41042.jhb@freebsd.org> <1350400597.72003.32.camel@btw.pki2.com> <201210161215.33369.jhb@freebsd.org> <507D8B69.3090903@FreeBSD.org> <alpine.BSF.2.00.1210161139060.22959@btw.pki2.com> <0B0CA833-79FA-4C8E-86AC-828E7947FF67@gmail.com> <507EC242.1070809@FreeBSD.org>
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On Oct 17, 2012, at 5:35 PM, Andriy Gapon <avg@freebsd.org> wrote: > on 17/10/2012 10:04 Nikolay Denev said the following: >> I'm running with the patch from here : = http://thread.gmane.org/gmane.os.freebsd.devel.file-systems/16000/focus=3D= 16017 >> And there were no deadlocks since it's applied. >> If you're hitting the same issue as I was, this should help. >=20 > I am going to commit that change soon-ish, if nobody expressly objects = to it. >=20 > BTW, Nikolay, is your system (that used to deadlock) amd64? > Could you please capture 'sysctl vm | fgrep kmem' output when it is = under load? >=20 > --=20 > Andriy Gapon Yep, It's a amd64, currently I'm doing some iozone throughput testing = over NFS and I can say it's loaded : last pid: 9818; load averages: 13.26, 13.98, 15.14 = up = 4+00:09:55 16:56:10 44 processes: 1 running, 43 sleeping CPU: 0.2% user, 0.1% nice, 63.5% system, 4.0% interrupt, 32.1% idle Mem: 193M Active, 1689M Inact, 163G Wired, 70M Cache, 22G Free =20 ARC: 147G Total, 6884M MRU, 128G MFU, 2824K Anon, 8674M Header, 3896M = Other vm.kmem_map_free: 46525120512 =20 vm.kmem_map_size: 149978828800 =20 vm.kmem_size_scale: 1 vm.kmem_size_max: 329853485875 vm.kmem_size_min: 0 vm.kmem_size: 199974834176
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