(RADIATOR) Memory Leak with PAM

Mike McCauley mikem at open.com.au
Mon Jul 29 19:54:41 CDT 2002


Hello Mike,


On Tue, 30 Jul 2002 10:32, Hugh Irvine wrote:
> Hello Mike -
>
> I have copied this mail to Mike for his comments.

I would normally expect to see a Radiator process to stabilise at 5 to 10 MB 
(depending on the exact config in use).

Dan has independently indicated that his problem seems to be FreeBSD specific. 
What OS and platform are you on?


>
> regards
>
> Hugh
>
> On Tuesday, July 30, 2002, at 05:40 AM, Forbes Mike wrote:
> > What is the standard memory usage for radiator?  We have 900 or so
> > modems
> > authenticating to this, is radiator keeping a state table of the
> > sessions
> >  and if so how much space would that take up per user.  I am seeing
> > memory continuing to ramp up from almost nothing to 30megs oon up to
> > 250megs.
> >
> > I am still trying to track down a memory leak with radiator
> > authenticating
> > via PAM (Kereberos).  I have tested on a SUN which has a different PAM
> > infrastructure than RedHat and get the same results as my RedHat
> > test.(they could both have the leak I guess).
> >
> > As far as in depth testing of this,  is this something I can take up
> > with
> > tech support, or is there some direction you can point me on doing
> > testing (not sure where to go to find a memory leak).
> >
> > Thanks,
> >
> > Mike Forbes
> >
> >  On Sat, 27 Jul 2002, Mike
> >
> > McCauley wrote:
> >> Hello Dan,
> >>
> >> I wasnt able to reproduce this problem here with Radiator 3.1, your
> >> config
> >> file and testing with
> >>
> >> ./radpwtst -service_type Authenticate-Only -nas_port_type Virtual
> >> -notrace
> >> -user mikem-fred -iterations 100000
> >>
> >> On my linux box, size of raadiusd stabilised quickly at 5616 Kb.
> >>
> >> What version of Radiator are you using, and what flags are you passing
> >> to your
> >> radpwtst?
> >>
> >>
> >> Cheers.
> >>
> >> On Wed, 24 Jul 2002 08:54, Dan Melomedman wrote:
> >>> Hugh Irvine writes:
> >>>> Hello Dan -
> >>>>
> >>>> Mike is travelling this week, but he will look at this when he
> >>>> returns.
> >>>>
> >>>> In the meantime, can you please tell me how you are testing? And
> >>>> could
> >>>> you also send me the details of how you are testing and the outputs
> >>>> of
> >>>> "ps", "top" or whatever you are using to measure the memory usage?
> >>>> Also
> >>>> please include anything else that might be useful in tracing the
> >>>> problem.
> >>>>
> >>>> thanks and regards
> >>>>
> >>>> Hugh
> >>>
> >>> I am running radpwtst on the same machine recursively with a simple
> >>> bash
> >>> script, which does a correct query. Radiator authenticates using
> >>> AuthBy
> >>> TEST. Until I stop it.
> >>>
> >>>
> >>>
> >>> This is before the script is run:
> >>>
> >>> ps auxw | egrep 'CPU|radiusd'
> >>>
> >>> USER        PID  %CPU  %MEM  VSZ  RSS  TT  STAT  STARTED  TIME COMMAND
> >>>
> >>> radiusd     2202  0.1  0.6  8156 7760  p0  S+    6:34PM   0:01.08
> >>>
> >>> /usr/local/bin/perl /usr/local/bin/radiusd -config_file ./test.cfg
> >>>
> >>>
> >>>
> >>> And after the script is finished (a few hundred querys):
> >>>
> >>> radiusd     2202  0.7  0.7 10196 9756  p0  S+    6:34PM   0:07.74
> >>> /usr/local/bin/perl /usr/local/bin/radiusd -config_file ./test.cf
> >>>
> >>> Note the difference in size and resident set size values. If the
> >>> server and
> >>> client are left to run longer, it will be so large that it will need
> >>> to be
> >>> restarted. I can do this automatically with daemontools, but it is
> >>> not a
> >>> fix.
> >>>
> >>> This is not due a to a module load, since even on the first query, the
> >>> process does not jump megabytes in size.
> >>>
> >>> Thanks.
> >>
> >> --
> >> Mike McCauley                               mikem at open.com.au
> >> Open System Consultants Pty. Ltd            Unix, Perl, Motif, C++, WWW
> >> 24 Bateman St Hampton, VIC 3188 Australia   http://www.open.com.au
> >> Phone +61 3 9598-0985                       Fax   +61 3 9598-0955
> >>
> >> Radiator: the most portable, flexible and configurable RADIUS server
> >> anywhere. SQL, proxy, DBM, files, LDAP, NIS+, password, NT, Emerald,
> >> Platypus, Freeside, TACACS+, PAM, external, Active Directory etc etc
> >> on Unix, Win95/8, 2000, NT, MacOS 9, MacOS X etc etc
> >>
> >> ===
> >> Archive at http://www.open.com.au/archives/radiator/
> >> Announcements on radiator-announce at open.com.au
> >> To unsubscribe, email 'majordomo at open.com.au' with
> >> 'unsubscribe radiator' in the body of the message.
> >
> > ===
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> > To unsubscribe, email 'majordomo at open.com.au' with
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-- 
Mike McCauley                               mikem at open.com.au
Open System Consultants Pty. Ltd            Unix, Perl, Motif, C++, WWW
24 Bateman St Hampton, VIC 3188 Australia   http://www.open.com.au
Phone +61 3 9598-0985                       Fax   +61 3 9598-0955

Radiator: the most portable, flexible and configurable RADIUS server 
anywhere. SQL, proxy, DBM, files, LDAP, NIS+, password, NT, Emerald, 
Platypus, Freeside, TACACS+, PAM, external, Active Directory etc etc 
on Unix, Win95/8, 2000, NT, MacOS 9, MacOS X etc etc

===
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