[Lustre-discuss] Fwd: Lustre and Large Pages

[James C. Browne]

Oleg,

Thanks for the clarification.

Jim Browne

At 11:10 PM 8/19/2010, Oleg Drokin wrote:
>Hello!
>
>On Aug 19, 2010, at 7:07 PM, Andreas Dilger wrote:
> > If you want to flush all the memory used by a Lustre client 
> between jobs, you can do "lctl set_param 
> ldlm.namespaces.*.lru_size=clear".  Unlike Kevin's suggestion it is 
> Lustre-specific, while drop_caches will try to flush memory from everything.
>
>
>Actually there is one extra bit that won't get freed by dropping 
>locks that is lustre debug logs (assuming non-zero debug level).
>It could be cleared with lctl clear
>
>Bye,
>     Oleg


James  C. Browne
Department of Computer Science
University of Texas
Austin, Texas 78712
Phone - 512-471-9579
Fax - 512-471-8885
browne at cs.utexas.edu
http://www.cs.utexas.edu/users/browne