[Lustre-discuss] Quick writeback cache question

Daire Byrne
Wed, 04 Mar 2009 09:22:36 -0000

Andreas,

----- "Andreas Dilger" <adilger at sun.com> wrote:

> Secondly, with small files there is also the overhead of creating
> the many small files on the MDS, which will likely take as long
> as the RPCs being sent to the OSTs with data.  There is not currently
> a metadata writeback cache that allows files to be created only on
> the client.  That is something we are examining, but it is still
> a ways off.

Ah yes of course. This is the performance bottleneck I''m seeing over
a high latency link. Thanks for the clarification.

Daire