Date: Wed, 19 Jul 1995 06:30:39 -0700 (PDT) From: Poul-Henning Kamp <phk> To: bde@zeta.org.au (Bruce Evans) Cc: bde@zeta.org.au, dfr@render.com, current@freebsd.org, esser@ZPR.Uni-Koeln.DE Subject: Re: slow nfsv3 writes Message-ID: <199507191330.GAA23678@freefall.cdrom.com> In-Reply-To: <199507191320.XAA21816@godzilla.zeta.org.au> from "Bruce Evans" at Jul 19, 95 11:20:28 pm
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> >> All combinations of interface, benchmark and benchmark block size that I tried > >> give about 100K/sec writes and 900K/sec reads. The disk on the server is on > >> constantly. > > >This is fixed by a recent change to vfs_bio. The buffer cache was > >getting confused and was forcing synchronous writes for blocksizes > >smaller than 8k. I now get 400k/sec writes to my sgi with all blocksizes. > > I was getting 9K/sec for writes before I complained and this change > was made :-). How about running a snoop and get some per-packet times ? -- Poul-Henning Kamp | phk@FreeBSD.ORG FreeBSD Core-team. http://www.freebsd.org/~phk | phk@login.dknet.dk Private mailbox. whois: [PHK] | phk@ref.tfs.com TRW Financial Systems, Inc. Just that: dried leaves in boiling water ?
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