Messages in this thread | | | Date | Mon, 5 Apr 2010 15:48:03 -0400 | From | tytso@mit ... | Subject | Re: [patch/rft] jbd2: tag journal writes as metadata I/O |
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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
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