Date: Mon, 8 Dec 2008 12:38:23 +0100 (CET) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: Uwe Laverenz <uwe@laverenz.de> Cc: freebsd-questions@freebsd.org Subject: Re: Performance benchmarks pitting FreeBSD against Windows Message-ID: <20081208123800.I70518@wojtek.tensor.gdynia.pl> In-Reply-To: <493CA2D6.80308@laverenz.de> References: <0016e64ca7d690e38f045d45227d@google.com> <ghb2qd$ij6$1@ger.gmane.org> <20081205163206.GC25258@kokopelli.hydra> <ghhidb$og3$1@ger.gmane.org> <20081208013850.R1852@wojtek.tensor.gdynia.pl> <ghhrdl$f2a$1@ger.gmane.org> <20081208034441.B65436@wojtek.tensor.gdynia.pl> <493CA2D6.80308@laverenz.de>
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>> changed it to 1MB everywhere. > > I've found that increasing vfs.read_max increases read performance quite a > bit in bonnie++ benchmarks. > > sysctl vfs.read_max=32 what exactly this option do? read_max 32 <what?> UFS blocks? MAXPHYS blocks?
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