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/
_______________________________________________ Pvfs2-users mailing list [email protected] http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users
