Re: [Condor-users] memory leak in Condor 7.4.2 schedd ???

[Ian Chesal <ian.chesal@xxxxxxxxx>]

Ian,

I think I'm seeing the same thing in the Linux x86 RH3 build. I'm  
seeing schedds crash with alarming periodicity and the stack trace  
always has a malloc() at the top of it.

Memory watch on the schedd didn't yield anything conclusive, yet. But  
it sure looks like the 32-bit process hit it's upper memory limit.

I have no line on a fix or work around.

- Ian

Sent from my iPhone

On 2010-06-09, at 5:29 AM, "Smith, Ian" <I.C.Smith@xxxxxxxxxxxxxxx>  
wrote:

> Dear All,
>
> I've recently moved to Condor 7.4.2 on our central manager/submit  
> host running
> Solaris 10 and found that the schedd seems to be taking a worrying  
> amount
> of memory. For instance, at present there are only ~ 150 jobs in the  
> queue and
> the schedd is taking over 900 MB. The documentation seems to suggest  
> that it
> should only be using around 10 kB per job !! Since this has been  
> rising montonically
> seemingly since I restarted the daemons just a few days ago I can only
> assume that this is down to a leak.
>
> The net result of this is that condor_q etc can be very slow to  
> respond (more than
> five minutes on occasion) and it is difficult to submit more than ~  
> 1000 jobs
> at once whereas before there was no problem with 10 000 jobs. As far  
> as I can
> see the auto-clustering is working fine although I sometimes see in  
> the schedd log
> messages about rebuilding tables ??
>
> Anyone else seem this on other systems ?
>
> Any suggestions for a fix/workaround ?
>
> regards,
>
> -ian.
>
> --------------------------------------------
> Dr Ian C. Smith,
> Advanced Research Computing (e-Science) Team,
> The University of Liverpool,
> Computing Services Department.
>
>
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