On Fri, 2014-01-03 at 23:54 +0800, fengguang...@intel.com wrote: > Hi Josef, > > FYI. We are doing 0day performance tests and happen to notice that > btrfs write throughput increased considerably during v3.10-11 time > frame: > > v3.10 v3.11 v3.12 > v3.13-rc6 > --------------- ------------------------- ------------------------- > ------------------------- > 50619 ~ 1% +17.0% 59209 ~ 2% +18.8% 60159 ~ 2% > +20.5% 61007 ~ 0% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-btrfs-1dd > 50619 +17.0% 59209 +18.8% 60159 > +20.5% 61007 TOTAL iostat.sdd.wkB/s > > and it's contributed by > > commit 1be41b78bc688fc634bf30965d2be692c99fd11d > Author: Josef Bacik <jba...@fusionio.com> > AuthorDate: Wed Jun 12 13:56:06 2013 -0400 > Commit: Josef Bacik <jba...@fusionio.com> > CommitDate: Mon Jul 1 08:52:28 2013 -0400 > > Btrfs: fix transaction throttling for delayed refs
Bonus points for increasing the performance on purpose. Thanks for running these Wu. -chris -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/