Date: Sat, 18 Dec 2010 21:47:35 +0000 From: Alexander Best <arundel@freebsd.org> To: Lev Serebryakov <lev@serebryakov.spb.ru> Cc: Bruce Cran <bruce@cran.org.uk>, freebsd-geom@FreeBSD.org Subject: Re: Good configurable I/O benchmark? Message-ID: <20101218214735.GA42139@freebsd.org> In-Reply-To: <458893856.20101219004316@serebryakov.spb.ru> References: <1701263071.20101219003441@serebryakov.spb.ru> <20101218214003.0000154d@unknown> <458893856.20101219004316@serebryakov.spb.ru>
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On Sun Dec 19 10, Lev Serebryakov wrote: > Hello, Bruce. > You wrote 19 ??????? 2010 ?., 0:40:03: > > >> 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. > Thank you. "sysutils" is last place I would have though of looking > at (I've looke at "benchmarks"). it would be really nice to have a wiki.freebsd page which recommends certain benchmarks for disk io and network throughput etc. cheers. alex > > > > -- > // Black Lion AKA Lev Serebryakov <lev@serebryakov.spb.ru> > -- a13x
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