[Samba] Poor perfomance Samba 3.0 + DBF/PX

[Rodrigo Grumiche Silva]

Sebastian

Did you try to disable oportunistic locking (oplocks) ???


[CRT]
....
oplocks = false
...

[Contabilidad]
...
oplocks = false
...

More information about oplocks:

http://us3.samba.org/samba/docs/man/locking.html#id2930056


Regards

Grumiche



Em Sex 16 Abr 2004 09:58, Sebastian Davancens escreveu:
> Im running a linux fiel server with RH 8.0 and Samba,
> acting as a PDC. 40 clients (Win98/2000) use an application that is
> based on Foxpro and Paradox tables, which are stored in the server
> (Contabilidad and CRT shares).
> The problem is the following: with samba 2.2.8, everything worked fine.
> But when we updated to 3.0.2a, the perfomance dicreased a lot. Its really
> slow. Apart from that, the .dbf files started to corrupt oftenly.
> The smb.conf has not been changed.
> Why is this happening??
> Here i post a part of my smb.conf file:
>
> [global]
>
>        socket options = TCP_NODELAY IPTOS_LOWDELAY
> SO_SNDBUF=8192 SO_RCVBUF=8192
>     domain master = Yes
>        encrypt passwords = Yes
>        logon home = \\%L\%U
>        server string = Samba PDC running %v
>        logon script = login.bat
>        veto oplock files =
> /*.dbf/*.DBF/*.cdx/*.CDX/*.db/*.DB/*.Y??/*.y??/*.XG?/*.xg?/*.MB/*.mb/*.VAL/
>*.val/*.PX/*.px/*.mdb/*.MDB/*.lck/*.LCK/
>
>        workgroup = SMBAR
>        logon path = \\%L\profiles\%U
>        os level = 64
>        directory mask = 0770
>        printcap name = /etc/printcap
>        preferred master = Yes
>        domain admin group = @admins
>        domain logons = Yes
>        log level = 1
>
> [homes]
>        comment = Home Directories
>        force group = admins
>        read only = No
>        force create mode = 0770
>        browseable = No
>
> [profiles]
>        path = /home/samba/profiles
>        read only = No
>        create mask = 0600
>        directory mask = 0700
>        browseable = No
>
> [netlogon]
>        comment = Network Logon Service
>        path = /home/netlogon
>        write list = @admins
>        browseable = No
>        browseable = No
>
>
> [CRT]
>        comment = CRT
>        path = /home/captacion/tmkt
>        admin users = @admins
>        write list = @admins, @gr_crt
>        force group = gr_crt
>        create mask = 0775
>        force create mode = 0775
>        browseable = No
>        dont descend = contabilidad ccvd
>
> [contabilidad]
>        comment = contabilidad
>        path = /home/captacion/tmkt
>        admin users = @admins
>        read list = @admins, @gr_crt
>        write list = @gr_contabilidad
>        force group = gr_contabilidad
>        browseable = No
>        dont descend = crt
>
> One last note: we have already tried with level2 oplocks = false and
> kernel oplocks = false, but it was useless
> Thanks in advance,
> Sebastian
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