[Lustre-discuss] Fwd: Lustre and Large Pages

Oleg Drokin oleg.drokin at oracle.com
Thu Aug 19 21:10:06 PDT 2010


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


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