Date: Sun, 19 Dec 2010 13:12:39 +0100 From: Ulf Lilleengen <lulf@pvv.ntnu.no> To: Lev Serebryakov <lev@serebryakov.spb.ru> Cc: freebsd-geom@FreeBSD.org Subject: Re: Good configurable I/O benchmark? Message-ID: <4D0DF6B7.4000904@pvv.ntnu.no> In-Reply-To: <1701263071.20101219003441@serebryakov.spb.ru> References: <1701263071.20101219003441@serebryakov.spb.ru>
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On 12/18/2010 10:34 PM, Lev Serebryakov wrote: > Hello, Freebsd-geom. > > > 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. > I have used benchmarks/rawio in the past, which seems to work well, but not sure it fits all your requirements though. Ulf
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