[Lustre-discuss] Out of Memory on MDS
Roger Spellman
roger at terascala.com
Tue Jun 23 09:55:50 PDT 2009
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?
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/
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