From owner-freebsd-current  Wed Jul 19 06:30:41 1995
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From: Poul-Henning Kamp <phk>
Message-Id: <199507191330.GAA23678@freefall.cdrom.com>
Subject: Re: slow nfsv3 writes
To: bde@zeta.org.au (Bruce Evans)
Date: Wed, 19 Jul 1995 06:30:39 -0700 (PDT)
Cc: bde@zeta.org.au, dfr@render.com, current@freebsd.org,
        esser@ZPR.Uni-Koeln.DE
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 ?