[Samba] fast reads, slow writes
karel at maxent.cz
Fri Feb 18 14:55:35 GMT 2005
Thanks for fast reply, but alas it didn't help.
There is even STRANGE behaviour: When I copy big file to server, speed
is around 12MB/s,
but if I start another copying to server from different machine, speed
of copying goes significantly
up on both machines. What the hell ?
Robert Schetterer napsal(a):
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> Hash: SHA1
> Hi Karel,
> upgrade samba
upgraded, didn't help
> as well there a perfomance issues known to the webclient service
> in win xp , so just stop it.
disabled, didn't help
> slow down logging at samba , try set sendfile parameter to no,
log level is 1, just info of connections; 0 didn't help
tested all hints, no impact on performace at all
> check your nic ,switching, firewalling ( if exist )
tested two gigabit switches, two nics
> try settings like this
> ~ path = /home/jeremy/tmp/manyfilesdir
> ~ read only = no
> ~ case sensitive = True
> ~ default case = upper
> ~ preserve case = no
> ~ short preserve case = no
tried, no success
> Best Regards
> Karel Rericha schrieb:
> | We have two SUSE SLES 9.0 x86-64 servers on gigabit network, one with
> | RAID1 and samba 3.0.4,
> | and one with RAID10 upgraded to samba 3.0.9. Both have the same
> | when you copy from
> | server to client, speeds are on big files about 40MB/s for RAID1 and
> | about 60MB/s for RAID10.
> | But when you copy to server, speed are about 8MB/s. I have set up ftp
> | servers on them just to try
> | ftp protocol upload, and it is happy full speed both directions.
> | After few hours of googling, I found "security = share" hint, which
> | didn't help, and after little more
> | time "use sendfile = yes" hint, which helped little bit, speeds are
> | now 10-12MB/s, but still not
> | acceptable.
> | We don't intend to use samba servers as PDC, but just only as workgroup
> | NAS.
> | Original smb.conf is attached (before security and sendfile tweaking).
> | One more question: does anybody know good utility to test speed of
> | remote volumes ?
> | No virus found in this outgoing message.
> | Checked by AVG Anti-Virus.
> | Version: 7.0.300 / Virus Database: 265.8.8 - Release Date: 14.2.2005
> - --
> Mit freundlichen Gruessen
> Best Regards
> Robert Schetterer
> Munich / Bavaria / Germany
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>Checked by AVG Anti-Virus.
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No virus found in this outgoing message.
Checked by AVG Anti-Virus.
Version: 7.0.300 / Virus Database: 265.8.8 - Release Date: 14.2.2005
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