Winbind slowing down entire system

[Michels, Gustavo [EES/BR]]

Hi, :-)

Taking winbind out of the group line in nsswitch.conf really wiped away the
pause while I was telnetting in. But the problem is I need domain groups
because my share's security are set by domain group membership.

So, I must find other solution... :-( This is really strange as last friday
my server wasn't like this, only with this new cvs sources this slowdown
started. Actually, the telnet delay was present (although there wasn't a
delay, let's say, with 2 weeks ago sources), but winbind wasn't eating up
the whole system resources.

Thanks for the help, anyway.

cheers
Gustavo

> -----Original Message-----
> From: DICKENS,CARY (HP-Loveland,ex2) [mailto:cary_dickens2 at hp.com]
> Sent: segunda-feira, 24 de setembro de 2001 15:47
> To: Michels, Gustavo [EES/BR]; samba at lists.samba.org
> Subject: RE: Winbind slowing down entire system
> 
> 
> I have had the same trouble.  I traced it to login getting group
> information.  When trying to find out what groups a user 
> belongs to, login
> gets a list of _all_ the groups the system is aware of.  On a 
> domain with
> 12000 users and 14000 groups, it was taking 1 minute or more 
> to come back
> and sometimes the login session would timeout.  I was unable to find a
> solution, but you can check to see if this is really the case 
> for you by
> taking winbind out of the group line of your nsswitch.conf file and
> restarting inetd.  If the pause is gone when you telnet in, 
> then you are
> having the same problem I was.
> 
> Good luck,
> Cary
> 
> > -----Original Message-----
> > From: Michels, Gustavo [EES/BR]
> > [mailto:gustavo.michels at emersonenergy.com]
> > Sent: Monday, September 24, 2001 11:17 AM
> > To: samba at lists.samba.org
> > Subject: Winbind slowing down entire system
> > 
> > 
> > Hello people,
> > 
> > Ok, I am only testing my system yet, so I update the 
> > SAMBA_2_2 cvs sources
> > frequently. That was what I did today, updated as usual, but 
> > now I noticed
> > winbind is slowing down the entire system while active.
> > 
> > A simple lpd restart after making changes to the printers 
> > takes minutes.
> > Opening a terminal window in X server takes more than 10 
> > seconds. If I shut
> > down the winbind process, everything comes back to normal.
> > 
> > Looking at the systems active processes, I notice winbind is 
> > taking usually
> > 10-15% CPU and 20% memory (it's a PIII 733 with 512 Mb RAM) 
> > while doing
> > anything in the system. After the process finishes (lpd restart for
> > example), winbind goes back to the normal sleep state.
> > 
> > Tha samba side: accessing shares looks as fast as usual, but 
> > opening or
> > making changes to printer properties also takes ages.
> > 
> > Also, I noticed logging into the server with a telnet session 
> > takes several
> > seconds (using a local unix account). And it wasn't like 
> > that, some recent
> > changes in the sources made that difference.
> > 
> > System is Red Hat Linux 7.1, 2.4.3 kernel. I didn't make any 
> > changes to pam
> > files as I don't need domain users accessing unix services. In
> > nsswitch.conf, the passwd and group lines are 'files winbind'.
> > 
> > Any clues?
> > 
> > cheers
> > Gustavo
> > 
> > -- 
> > To unsubscribe from this list go to the following URL and read the
> > instructions:  http://lists.samba.org/mailman/listinfo/samba
> > 
>