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

["Burnett, Ben" <ben.burnett@xxxxxxxx>]

In that case, you create a stand alone collector, that's no tied to the pool, then you can use the pools off-line machine class ad log file to load all the offline machines into the stand alone collector.  After that, just use condor_advertise to send new machine ads to the collector, and watch how it responds. 

The original class ad log file should be easy enough to find, it should reside where OFFLINE_LOG points to.

-B

On 2010-06-17, at 9:17 AM, Smith, Ian wrote:

> 
> 
>> -----Original Message-----
>> From: condor-users-bounces@xxxxxxxxxxx [mailto:condor-users-
>> bounces@xxxxxxxxxxx] On Behalf Of Burnett, Ben
>> Sent: 17 June 2010 15:14
>> To: Condor-Users Mail List
>> Subject: Re: [Condor-users] memory leak in Condor 7.4.2 schedd ???
>> 
>>> What's worrying me now is that the collector is taking ~ 400 MB.
>>> We're using power management here and I automatically publish/update
>>> ClassAds for offline jobs frequently (every 15 min) so could this be putting a
>>> strain on it ?
>> 
>> With the power management features, you should only see a nominal increase in
>> memory consumption, as the collector is only ever storing as many off-line ads as
>> there were live machines to begin with in the pool (unless something has been
>> drastically changed about how PM works.).
>> 
>> Try this: add a another temporary collector to the pool, without PM enabled (but
>> mirror everything else), and check if it behaves the same way.  If it doesn't, then turn
>> PM on, and see if it's memory foot-print starts growing over time.
>> 
>> Regards,
>> -B
> 
> Thanks for the quick reply but this is >far< easier said than done with a production
> pool. Also power saving is enforced externally on our Condor PCs and so it's not
> something that can be switched off and on.
> 
> I've had a quick go at turning the cron off which advertises offline machines and
> the collector memory use has stayed pretty much the same. I'll see if I 
> can do some more digging next week.
> 
> regards,
> 
> -ian.
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