Date: Sat, 18 Dec 2010 21:40:03 +0000 From: Bruce Cran <bruce@cran.org.uk> To: Lev Serebryakov <lev@serebryakov.spb.ru> Cc: freebsd-geom@FreeBSD.org Subject: Re: Good configurable I/O benchmark? Message-ID: <20101218214003.0000154d@unknown> In-Reply-To: <1701263071.20101219003441@serebryakov.spb.ru> References: <1701263071.20101219003441@serebryakov.spb.ru>
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On Sun, 19 Dec 2010 00:34:41 +0300 Lev Serebryakov <lev@serebryakov.spb.ru> wrote: > Is here any good I/O benchmark? What do I mean by `good': > > (1) Multiprocess workloads with different workloads per processe > (thread) (a) Sequential R or W. > (b) Random R and W with configurable R:W ratio. > (c) Configurable min/max/avg distance seek in random workloads. > (2) All above with configurable block size. > (3) All of above with configurable I/O queue depth. It sounds like sysutils/fio should do a lot of that. -- Bruce Cran
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