Date: Fri, 7 Jul 2000 12:50:11 -0700 (PDT) From: Matthew Dillon <dillon@apollo.backplane.com> To: Alfred Perlstein <bright@wintelcom.net> Cc: Marius Bendiksen <mbendiks@eunet.no>, Bill Fumerola <billf@chimesnet.com>, freebsd-arch@FreeBSD.ORG Subject: Re: Alterations to vops Message-ID: <200007071950.MAA01243@apollo.backplane.com> References: <20000707080644.H25571@fw.wintelcom.net> <Pine.BSF.4.05.10007071941170.74828-100000@login-1.eunet.no> <20000707104422.P25571@fw.wintelcom.net>
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:
:We have that, see vfs_cluster.c, but if we could limit the outstanding
:IO per process whether read or write we could throttle procs so that
:they can't saturate the disks.
:
:--
:-Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org]
Programs such as cvsup and find do not queue up billions of
I/O's. They queue up one at a time pretty much, but the I/O's
generate a lot of seeking due to the directory layouts on the
media (when you have lots of small directories).
-Matt
Matthew Dillon
<dillon@backplane.com>
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