Roger Spellman wrote: > I have an MDS that is crashing with out-of-memory. > > > > Prior to the crash, I started collecting /proc/slabinfo. I see that > ldlm_locks is up to 4,500,000, and each one is 512 bytes, for a total of > 2.2GB, which is more than half my RAM. > > > > Is there a way to limit this?
You don't mention the version of Lustre - lru_size might have an impact, i am not certain. I believe it is the only lock tuneable of note. (and is auto-sized in recent Lustre) cliffw > > > > Other heavy memory users are ldisk_inode_cache (421 MB) and > ldlm_resources (137 MB). Is there a way to limit these too? > > > > Thanks. > > > > Roger Spellman > > Staff Engineer > > Terascala, Inc. > > 508-588-1501 > > www.terascala.com http://www.terascala.com/ > > > > > ------------------------------------------------------------------------ > > _______________________________________________ > Lustre-discuss mailing list > Lustre-discuss@lists.lustre.org > http://lists.lustre.org/mailman/listinfo/lustre-discuss _______________________________________________ Lustre-discuss mailing list Lustre-discuss@lists.lustre.org http://lists.lustre.org/mailman/listinfo/lustre-discuss