Awesome! And again I commend your thorough performance measurements. --matt
On Wed, Nov 27, 2013 at 12:15 PM, Ned Bass <[email protected]> wrote: > On Fri, Nov 22, 2013 at 02:07:48PM -0800, Ned Bass wrote: > > Thanks, it's good to get confirmation that this was the problem. I will > > post updated results with the fix in place. > > > > Ned > > New benchmark results with patch 4347 are now available: > > https://github.com/nedbass/zfs/wiki/ZFS-Write-Throttle-Patch-Benchmarks > > The patch completely erased the problem I was seeing at high thread > counts. The new IO scheduler is a clear winner for many of the tests, > and performs equally in the others. This is very encouraging! I also > corrected the anomalous jumps in some of the performance curves of the > original read tests, which were due to a flaw in my test scripts. > > For comparison, the original results are still available here: > > > https://github.com/nedbass/zfs/wiki/**BROKEN**----ZFS-Write-Throttle-Patch-Benchmarks > > Ned >
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