RES: RES: Very Slow Samba
perikillo at gmail.com
Fri Aug 15 18:50:54 UTC 2008
On Fri, Aug 15, 2008 at 11:07 AM, Michael Powell <nightrecon at verizon.net>wrote:
> Mauro Ribeiro - Class Consultoria e Assessoria wrote:
> > Hi Derek,
> > I didn't have any Intel boards here for spare, but i Found a HP
> > PCI-Express 1x Giga Ethernet here.
> > It's a broadcom chipset, I did replace the card but still with the same
> > problem. I also did a very deep research in google and found more people
> > with the same problem and everyone of them without a solution.
> > I guess that it's a issue between Samba and FreeBSD. I do say that 'cuz
> > Linux+Samba (Debian Kernel+Samba.deb) this issue does not appear.
> > Anyway, If you have another idea.
> Yes - don't use the Realtek. They are OK for low end things like home ADSL,
> but when stressed will generally only give you about half the throughput of
> a real NIC.
> Don't know if this will help, but I believe the default buffer sizes to be
> way too small. This, for example purposes, from my smb.conf:
> max xmit = 65535
> socket options = TCP_NODELAY IPTOS_LOWDELAY SO_SNDBUF=65535 SO_RCVBUF=65535
> This was also in conjunction with some tuning in /etc/sysctl.conf. If the
> above changes the behavior, you might also look at some tuning numbers like
> below and see if adjusting them helps. YMMV.
> These should only be used as "food for thought" examples. What values may
> of benefit to you will most likely be specific to your situation.
> Also I have/use: use sendfile = Yes
> I have never had Samba perform exactly the same as Windows Server 2003, it
> has always been just a tad slower. One thing to figure out though, is if it
> is disk limited, network limited, or some combination of both. IF the disk
> subsystem is just way too slow it won't matter what you fiddle with in
> network land. You may find what you really need is a faster disk subsystem.
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I thing i would u is first disable the debug level, u are a developer???
syslog = 0
log level = 3
remove the debug option.
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