Date: Tue, 5 May 2009 19:04:23 +0100 From: =?ISO-8859-1?B?SXN0duFu?= <leccine@gmail.com> To: Stephen Sanders <ssanders@softhammer.net> Cc: freebsd-performance@freebsd.org Subject: Re: VM sysctl tuning Message-ID: <b8592ed80905051104p1c187154sa19da04c08df8daa@mail.gmail.com> In-Reply-To: <4A005935.40206@opnet.com> References: <4A005935.40206@opnet.com>
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I guess you can find some useful information here: http://wiki.freebsd.org/ZFSTuningGuide Please note the difference between 7.2 and all the previous releases. "FreeBSD 7.2+ has improved kernel memory allocation strategy and no tuning may be necessary on systems with more than 2 GB of RAM. " Also wort play a bit with kern.maxvnodes as the document says. Not to forget: http://www.freebsd.org/doc/en/books/arch-handbook/vm-tuning.html Regards, Istvan On Tue, May 5, 2009 at 4:20 PM, Stephen Sanders <ssanders@opnet.com> wrote: > Does any know if there is any advantage to tuning sysctl's for the VM > when one has an insane amount of memory in their machine? > > We've a system with 16GB of RAM that we are attempting to optimize the > system's memory copy and disk write performance. > > Thanks. > > > _______________________________________________ > freebsd-performance@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-performance > To unsubscribe, send any mail to " > freebsd-performance-unsubscribe@freebsd.org" > -- the sun shines for all
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