On Wed, Sep 06, 2006 at 05:09:54PM +0200, Riaan van Niekerk wrote: > has anyone been able to use GFS data journaling to get any measurable > performance boost? For those unfamiliar: > > http://www.redhat.com/docs/manuals/csgfs/browse/rh-gfs-en/s1-manage-data-journal.html > > We have a 2.6 TB maildir mail store (e.g. lots of small files) and think > of implementing it (we will take any performance increase we can get as > long as it does not impact reliability), and even though it will only > apply to new files. > > Also, is it possible to check if the inherit_jdata (for directories) or > jdata (for files) flag has been set? 'gfs_tool stat' will show the gfs-specific flags on files or directories. Dave -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster