| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Fri, 3 Jan 2014 16:07:05 +0000 From: Chris Mason <clm@...com> To: "fengguang.wu@...el.com" <fengguang.wu@...el.com> CC: "jbacik@...ionio.com" <jbacik@...ionio.com>, "linux-btrfs@...r.kernel.org" <linux-btrfs@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "lkp@...ux.intel.com" <lkp@...ux.intel.com> Subject: Re: 1be41b78: +18% increased btrfs write throughput On Fri, 2014-01-03 at 23:54 +0800, fengguang.wu@...el.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 <jbacik@...ionio.com> > AuthorDate: Wed Jun 12 13:56:06 2013 -0400 > Commit: Josef Bacik <jbacik@...ionio.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 majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists