Have you looked at Robinhood? http://sourceforge.net/projects/robinhood
It does high water mark, and provides a nice interface to query Lustre metadata information as well. Todd On Wed, Sep 16, 2009 at 2:56 AM, Isaac Hailperin <[email protected]> wrote: > > Hello list, > > I'd like to implement sliding window and hight water mark deletion on a > lustre filesystem. For that I need information from all files. A first > idea was to recursivly traverse the file tree and to a `stat filename` > for every file to collect the meta data. > > Now since in lustre the meta data is stored on the mds, I though that > maybe there is a more efficient way of collecting the information. > > So the question is: is there a way that I could query the mds for the > information that stat would give me(I need access, modify, creation time > plus the file size). And if so, can someone guess the performance > increase of quering the mds directly over using `stat` ? > > We are using lustre 1.6.something. > > Isaac > _______________________________________________ > Lustre-discuss mailing list > [email protected] > http://lists.lustre.org/mailman/listinfo/lustre-discuss > > _______________________________________________ Lustre-discuss mailing list [email protected] http://lists.lustre.org/mailman/listinfo/lustre-discuss
