Winbind slowing down entire system
Michels, Gustavo [EES/BR]
gustavo.michels at emersonenergy.com
Mon Sep 24 12:03:20 GMT 2001
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.
> -----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,
> > -----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
> > --
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