On Friday 26 March 2010 wrote Krzysztof Strasburger: > On Fri, Mar 26, 2010 at 01:16:53PM +0100, Amon Ott wrote: > > > No, this should happen without any filters. What happens, if you > > > disable io-cache? > > > > Disabled both io-cache and read-ahead. Now it only grew to 739 MB. Again, > > drop_caches did not reduce that size, although it reduced the fuse_inode > > slabs significantly. No out of memory now. > > 739 MB "only", without caches??? > This is a confirmation that the problem appears on other sites, too. > > > Please note that I can live with 1GB of memory for the glusterfs process, > > if it needs that. It must not block accesses, this is my concern. > > No OOM now, but double the number of files and IMHO glusterfs will > grow up to 1.5 GB. > Thank you for doing the test. > Now we should check, whether fuse_forget() is called at all during the > test. I would not assume blindly that it is. Added a counter to fuse_forget(): [2010-03-26 15:34:31] N [fuse-bridge.c:3203:fuse_thread_proc] fuse: unmounting /home/user after 42732 forgets > yes -> glusterfs problem Looks like. Amon Ott -- Dr. Amon Ott - m-privacy GmbH Am K?llnischen Park 1, 10179 Berlin Tel: +49 30 24342334 Fax: +49 30 24342336 Web: http://www.m-privacy.de Handelsregister: Amtsgericht Charlottenburg HRB 84946 Gesch?ftsf?hrer: Dipl.-Kfm. Holger Maczkowsky, Roman Maczkowsky GnuPG-Key-ID: EA898571
