On 01/07/2013 06:11 PM, Jeff Darcy wrote: > On 01/07/2013 12:03 PM, Dennis Jacobfeuerborn wrote: >> The "gm convert" processes make almost no progress even though on a regular >> filesystem each call takes only a fraction of a second. > > Can you run gm_convert under strace? That will give us a more accurate > idea of what kind of I/O it's generating. I recommend both -t and -T to > get timing information as well. Also, it never hurts to file a bug so > we can track/prioritize/etc. Thanks. > > https://bugzilla.redhat.com/enter_bug.cgi?product=GlusterFS Thanks for the strace hint. As it turned out the gm convert call was issued on the filename with a "[0]" appended which apparently led gm to stat() all (!) files in the directory. While this particular problem isn't really a glusterfs problem is there a way to improve the stat() performance in general? Regards, Dennis
