Hi, This means that there is no explicit file caching in PVFS2. The max that one can do is set certain attributes, to force the *system* to cache files. Thanks very much for the clarification.
I appreciate your help, Regards, Christina. On Feb 11, 2008 7:02 PM, Sam Lang <[EMAIL PROTECTED]> wrote: > > Hi Christina, > > If you want to do IO caching, you can set the immutable attribute (as > root) on your files, and those files will cached on the client by the > VFS. This is really the only client-side IO caching capability built > into PVFS, and once you set that attribute, you can't modify those > files. > > If you're interested in IO caching research with PVFS, Avery Ching's > recent paper is probably a good start: > > http://cholera.ece.northwestern.edu/~aching/research_webpage/publications/2007sc_2.pdf > > -sam > > > On Feb 11, 2008, at 3:08 PM, Christina Patrick wrote: > > > Hi Everybody, > > > > I have searched the PVFS2 forums before and found one article that > > said that PVFS2 does not do any client side caching > > http://www.beowulf-underground.org/pipermail/pvfs2-users/2005-November/000992.html > > > > I want to ask the everybody: > > > > 1. What are the types of caching employed in PVFS2? > > 2. What are the caching policies in PVFS2? > > 3. If I want to investigate further into this, where should I look > > (documentation/files/papers)? > > 4. Also, how can I explicitly enable and disable caching in PVFS2? > > > > I would really appreciate if somebody could patiently answer these > > questions. > > > > Thanks, > > Christina. > > _______________________________________________ > > Pvfs2-developers mailing list > > [email protected] > > http://www.beowulf-underground.org/mailman/listinfo/pvfs2-developers > > > > _______________________________________________ Pvfs2-developers mailing list [email protected] http://www.beowulf-underground.org/mailman/listinfo/pvfs2-developers
