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Becky -- Becky Ligon HPC Admin Staff PVFS/OrangeFS Developer Clemson University 864-650-4065 > 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/ > _______________________________________________ > Pvfs2-users mailing list > [email protected] > http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users > _______________________________________________ Pvfs2-users mailing list [email protected] http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users
