Hi, No memory leak observed with OrangeFS :) I started thinking I was cursed with PVFS.
Matthieu 2011/3/29 Matthieu Dorier <[email protected]> > Hi Michael, > > Ok, I switch to OrangeFS. I've a reservation on my computing platform on > Wednesday to test it, I'll come back to you if the upgrade doesn't bring any > change. > Thank you > > Matthieu > > > 2011/3/29 Michael Moore <[email protected]> > >> Hi Matthieu, >> >> We have to quit meeting like this :) >> >> There were a couple server-side memory leaks fixed (I can't recall if they >> were specifically tied to write calls) since the 2.8.2 release. I would >> recommend going to the latest OrangeFS release; there are several bugs >> related to cancellation (which can occur with congestion associated with >> load testing) that are fixed in that release. >> >> If that isn't an option or you still see the behavior after upgrading, you >> can run the pvfs2-server process inside valgrind. After the server process >> stops responding (or it eats a significant amount of memory) kill the >> process and it should provide some output related to lost memory. If you can >> provide that it'll give us a starting point. >> >> Sorry for your troubles, >> Michael >> >> On Mon, Mar 28, 2011 at 5:36 PM, Matthieu Dorier < >> [email protected]> wrote: >> >>> Hello, >>> >>> I'm (again) encountering a bug with PVFS (2.8.2): I use it with TCP on 16 >>> nodes, an MPI application is running on 38 other nodes and periodically >>> output some data using MPI-IO. The monitoring system of my PVFS nodes shows >>> that the memory cached increases at each write, until reaching 8GB (out of >>> 24GB available on the nodes). At this point the servers stop answering to >>> write requests, the application blocs in IO and eventually timeout. >>> I tried with IP over IB and with Ethernet, both show the same behavior. >>> Any idea where it comes from? >>> >>> Thank you, >>> >>> Matthieu >>> >>> -- >>> Matthieu Dorier >>> ENS Cachan, Brittany (Computer Science dpt.) >>> IRISA Rennes, Office E324 >>> http://perso.eleves.bretagne.ens-cachan.fr/~mdori307/wiki/ >>> >>> _______________________________________________ >>> Pvfs2-users mailing list >>> [email protected] >>> http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users >>> >>> >> > > > -- > Matthieu Dorier > ENS Cachan, Brittany (Computer Science dpt.) > IRISA Rennes, Office E324 > http://perso.eleves.bretagne.ens-cachan.fr/~mdori307/wiki/ > -- Matthieu Dorier ENS Cachan, Brittany (Computer Science dpt.) IRISA Rennes, Office E324 http://perso.eleves.bretagne.ens-cachan.fr/~mdori307/wiki/
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