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To: Bruce Evans <bde@zeta.org.au>
cc: current@freebsd.org
Subject: Re: slow nfsv3 writes 
In-reply-to: Your message of "Sun, 16 Jul 95 00:13:36 +1000."
             <199507151413.AAA23348@godzilla.zeta.org.au> 
From: David Greenman <davidg@Root.COM>
Reply-To: davidg@Root.COM
Date: Sat, 15 Jul 1995 07:26:23 -0700
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>The speed of writes seems to be slower for nfsv3 according to iozone:
>
>	iozone 1 512:	  9055 bytes/sec
>	iozone 1 8192:	113028 bytes/sec
>
>Read speeds are good (800K and 1000K/sec) although this may be due to
>local caching (it would take too long to test a large file size at
>9055 bytes/sec :-).
>
>I don't know exactly what the write speeds used to be.  I remember
>something over 100K/sec and hoped for more.  I don't remember such a
>low speed for the small block size, except for a Linux client using
>an unsuitable nfs block size.

   This is a known problem and started happening with some pre-2.0.5R changes.
John has a work-around, but the problem needs to be better understood which
is why I haven't done anything with his fix.

-DG