Re: XFS write speed drop

From: David Chinner
Date: Mon May 22 2006 - 21:26:20 EST

On Mon, May 22, 2006 at 02:21:48PM +0200, Jan Engelhardt wrote:
> >You're a bit light on details here.
> >
> >Can you send the benchmark results themselves please? (as in,
> >the test(s) you've run that lead you to see 6-8x, and the data
> >those tests produced). Also, xfs_info output, and maybe list
> >the device driver(s) involved here too.

Jan, just out of curiousity, can you also run the tests with
barriers off and the drive write cache turned off? I would
expect the cache+barriers to be faster...


Dave Chinner
R&D Software Enginner
SGI Australian Software Group
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at