Date: Thu, 16 Jan 1997 00:01:04 +0000 From: Brian Somers <brian@awfulhak.demon.co.uk> To: Andrew.Gordon@net-tel.co.uk Cc: eivind@dimaga.com, hackers@freebsd.org Subject: Re: IPFW + Samba -> performance problem Message-ID: <199701160001.AAA15119@awfulhak.demon.co.uk> In-Reply-To: Your message of "Tue, 14 Jan 1997 23:09:29 GMT." <"45f6-970114231001-B849*/G=Andrew/S=Gordon/O=NET-TEL Computer Systems Ltd/PRMD=NET-TEL/ADMD=Gold 400/C=GB/"@MHS>
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[.....]
>
> I haven't hit this exact problem, but I did spend a long time looking
> at tcpdump output some while ago to explain variable _read_ performance
> we were seeing - all the old client machines (mostly 486s) had been working
> fine, but a new P120 client was much slower than the other machines
> at reading from Samba. It turned out that TCP_NODELAY was the solution
> (and at the time the FreeBSD port of Samba was missing a #include
> so that the -O TCP_NODELAY option didn't work!). Perhaps an explanation
> of what I found will help diagnose your problem.
[Explaination deleted]
> Andrew Gordon.
Nice one ! Looks like TCP_NODELAY makes about a 100-400% improvement here !
--
Brian <brian@awfulhak.demon.co.uk>, <brian@freebsd.org>
<http://www.awfulhak.demon.co.uk/>;
Don't _EVER_ lose your sense of humour....
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