Re: [patch/rft] jbd2: tag journal writes as metadata I/O

tytso
2010-04-05T19:48:18Z

On Mon, Apr 05, 2010 at 02:36:07PM -0400, Jeff Moyer wrote:
> >
> > What benchmark were you using to test small file writes? This looks
> > good to me as well, but we might want to do some extra benchmarking
> > just to be sure we're not accidentally introducing a performance
> > regression.
>
> iozone showed regressions for write and re-write in runs that include
> fsync timings for small files (<8MB). Here's the command line used for
> testing:
>
> iozone -az -n 4k -g 2048m -y 1k -q 1m -e

iozone is showing performance regressions or performance improvements?
I thought the point of this patch was to improve iozone benchmarks?

- Ted