Samba - slow browsing/folder opening

[Tom Syroid]

John,

If nothing Don mentions has changed, then I'd be looking long and hard at 
your new HW configuration. Previously you ran -- I'm assuming here -- your 
Samba shares off a Win9X box with a shared IDE drive. Now you've gone to 
RAID on a bazillion GHz box. But RAID -- and especially RAID5 -- has a lot 
of overhead associated with it.

For reference, I run Samba on my RS/6000 quad processor box under AIX. The 
data drives are some of the best in the industry (SSA), but they're in a 
RAID5 configuration, and when I open a folder there is indeed a delay. 
Probably not 3 or 4 seconds, but a noticable delay nonetheless. My Samba 
configuration is optimized, my config file is optimized, and my HW is 
working as it should -- it's simply latency and overhead...

/tom

--On Thursday, April 05, 2001 06:25 -0700 "MCCALL,DON (HP-USA,ex1)" 
<don_mccall at hp.com> wrote:

>
> Hi John,
> A couple of easy things to check -
> 1. has the number of files in these folders increased dramatically (like
> in the 1000's)?
>    lots of files in a folder will increase the time it takes to open it.
> 2. have you recently had a problem where you have enabled some level of
> debug logging?
>    check log level parameter in smb.conf file, make it 0 for fastest
> access, if it is
>    not already....
>
> Directory parsing DOES seem to be slower on samba than on it's windows
> cousins, esp. if
> there is a large number of files in the directory you are opening.  But
> 3-4 seconds seems
> a bit excessive...
> Don
> -----Original Message-----
> From: John P [mailto:john at pmbbs.demon.co.uk]
> Sent: Thursday, April 05, 2001 7:32 AM
> To: samba at lists.samba.org
> Subject: Samba - slow browsing/folder opening
>
>
> Hi All
>
> I have recently started Samba on our Linux RedHat 7 server (P3-1000/512MB
> with hardware SCSI RAID-1 on a Ultra-160 Adaptec card) - to serve about 15
> Win9X PC's (replacing an overused Win95 machine's D drive!)
>
> The only thing is, users have started to complain that opening folders
> from their Win9X machines is much slower than it was before - i.e. there
> is a noticable delay between clicking on a folder and it being loaded
> (three/four seconds) whereas before (opening from the network-shared
> Win95 machine), it was pretty much instant.
>
> Any ideas? What do I need to post? All user directories are mounted in
> their Linux user directories (/home/user/samba/..)
>
> Samba 2.0.7 / Kernel 2.2.16-22
>
> Cheers
> John
>
>
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