I still see a lot of memory usage after i disabled the performance/io-cache translator on my clients. Can this be a FUSE problem? Is there a way to limit the amount of cache or memory FUSE uses? If I need to upgrade, can I use 2.0.8 client with a 2.0.6 server? Regards Roland 2010/1/1 Roland Rabben <roland at jotta.no> > I have seen 3.0 out there, but as you know, upgrading from 2.0.6 to 3.0 > requires downtime, and I want to make sure upgrading is painless before I go > ahead and schedule a maintenance period. > > From what I have read in the mailing-list there are many reasons to upgrade > from 2.0.6. I guess I 2.0.8 or 3.0 is next. > > I have now removed the performance/io-cache translator form my client > config, and memory usage seems to be much lower. I need to test a day or two > to verify that it doesn't grow out of control. > > Regards > Roland > > 2010/1/1 Tejas N. Bhise <tejas at gluster.com> > > Thanks, Raghavendra. >> >> Roland, >> >> I would be very interested to know if you plan to move to a newer version >> - that might solve some of your problems. If you do not plan to upgrade, >> then I would also like to know if there are certain features in 2.0.6 which >> you feel do not allow you to upgrade. >> In the ideal case, we would like to have to support a fewer set of recent >> versions hence the question :-). >> >> Regards, >> Tejas. >> >> ----- Original Message ----- >> From: "Raghavendra G" <raghavendra at gluster.com> >> To: "Roland Rabben" <roland at jotta.no> >> Cc: "gluster-users" <gluster-users at gluster.org> >> Sent: Friday, January 1, 2010 8:41:32 PM GMT +05:30 Chennai, Kolkata, >> Mumbai, New Delhi >> Subject: Re: Memory problems / leak in 2.0.6? >> >> Hi Roland, >> >> Does doing "echo 3 > /proc/sys/vm/drop_caches" bring down the memory >> usage? >> >> regards, >> On Fri, Jan 1, 2010 at 2:47 PM, Roland Rabben <roland at jotta.no> wrote: >> >> > Hi >> > I am using Glusterfs 2.0.6 and I am experiencing some memory issues on >> the >> > clients. The clients will grow their memory usage to several GB's over >> one >> > or two days. >> > This causes my app to run out of memroy and I need to restart my app and >> > unmount the glusterfs volumes. >> > >> > I have tried adjusting the io-cache to max 512MB but this does not seem >> to >> > have any effect. >> > My clients use replicate and distribute. >> > >> > From my glusterfs.vol file: >> > >> > volume dfs >> > type cluster/distribute >> > option lookup-unhashed no >> > option min-free-disk 5% >> > subvolumes repl-000-001-01 repl-000-001-02 repl-000-001-03 >> > repl-000-001-04 repl-002-003-01 repl-002-003-02 repl-002-003-03 >> > repl-002-003-04 >> > end-volume >> > >> > # Enable write-behind to decrease write latency >> > volume wb >> > type performance/write-behind >> > option flush-behind off >> > option cache-size 64MB >> > subvolumes dfs >> > end-volume >> > >> > volume cache >> > type performance/io-cache >> > option cache-size 512MB >> > subvolumes wb >> > end-volume >> > >> > Is this a memory leak or is there a way to limit the memory usage on the >> > clients? >> > >> > I am running this on Ubuntu 9.04. >> > >> > Regards >> > >> > >> > -- >> > Roland Rabben >> > Founder & CEO Jotta AS >> > Cell: +47 90 85 85 39 >> > Phone: +47 21 04 29 00 >> > Email: roland at jotta.no >> > >> > _______________________________________________ >> > Gluster-users mailing list >> > Gluster-users at gluster.org >> > http://gluster.org/cgi-bin/mailman/listinfo/gluster-users >> > >> > >> >> >> -- >> Raghavendra G >> >> _______________________________________________ >> Gluster-users mailing list >> Gluster-users at gluster.org >> http://gluster.org/cgi-bin/mailman/listinfo/gluster-users >> > > > > -- > Roland Rabben > Founder & CEO Jotta AS > Cell: +47 90 85 85 39 > Phone: +47 21 04 29 00 > Email: roland at jotta.no > -- Roland Rabben Founder & CEO Jotta AS Cell: +47 90 85 85 39 Phone: +47 21 04 29 00 Email: roland at jotta.no
