Date: Sun, 22 Nov 2009 09:44:03 +0900 From: Randy Bush <randy@psg.com> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: freebsd-stable@freebsd.org Subject: Re: 7.2 dies in zfs Message-ID: <m2ljhzgzho.wl%randy@psg.com> In-Reply-To: <20091122002926.GA19628@icarus.home.lan> References: <m2skcajavv.wl%randy@psg.com> <m2r5ruja6v.wl%randy@psg.com> <4B066B13.1070006@freebsd.org> <m2bpiwitz7.wl%randy@psg.com> <4b07ac59.A2Afaf4X0IZlrgGU%perryh@pluto.rain.com> <57200BF94E69E54880C9BB1AF714BBCBA5722E@w2003s01.double-l.local> <20091121193643.GA14122@icarus.home.lan> <790a9fff0911211159k14920410g7a76cf6a292f0bae@mail.gmail.com> <20091122002926.GA19628@icarus.home.lan>
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> Everyone's workloads are different, but the panic is the same every > time: kmem exhaustion. i386 with KVA_PAGES or amd64 -- happens on both. > It's highly dependent upon workload and what the filesystem consists of > (many files vs. fewer files but larger in size, etc.) these are measurable. at least until it crashes. the suggested memsz script could, instead of giving what to a naive admin are some cute but unhepful numbers, suggest values for loader.conf.local. randy
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