[Samba] Win2K/XP, oplocks, and readahead.
Peter Godman
pete at isilon.com
Wed Feb 19 23:59:17 GMT 2003
On Wed, 19 Feb 2003 bkrusic at yahoo.com wrote:
> > socket options = TCP_NODELAY IPTOS_LOWDELAY
> > SO_KEEPALIVE SO_RCVBUF=65536
> > SO_SNDBUF=65536
>
> Hi,
>
> First, we are in a similar env. Second, are yiu using
> testparm to see what config Samab is running at? You
> may find more or less tweaking is needed (a delightful
> surprise). Third, what are your xfser times in terms
> if say 1GB file size?
>
> I had to force this;
> max xmit = 65535
>
> And my settings of special interest are;
> SO_RCVBUF = 262144
> SO_SNDBUF = 262144
>
> I didn't manipulate the TCP window size studio wide as
> I didn't see an increase when done on my test bed PC.
> oplocks are on by def as per testparm outout
> (v2.2.7).
Hi there:
I've tried RCVBUF and SNDBUF as 262144, to no avail. Max xmit is set to
65535 according to testparm. At a desired bitrate of 500Mbit/sec I wish
to be able to transfer a 1GB file in 16 seconds.
Thanks for the info. How long are your transfer times?
Cheers,
Pete
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