From 0e16ba076d3b24176ac38eacc31f79533826bb90 Mon Sep 17 00:00:00 2001 From: bernie Date: Thu, 19 Nov 2009 16:19:46 -0500 Subject: [PATCH] Edit page BtrfsVsExt4 --- BtrfsVsExt4 | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 BtrfsVsExt4 diff --git a/BtrfsVsExt4 b/BtrfsVsExt4 new file mode 100644 index 0000000..5e4736c --- /dev/null +++ b/BtrfsVsExt4 @@ -0,0 +1,44 @@ +=== ext4 on giskard === + +{{{ +/dev/sda7, ext4 + extents,mballoc,data=writeback +root@giskard:~/src# time cp -a oe oe2 ; time sync +real 0m33.981s +user 0m0.452s +sys 0m4.784s + +real 0m7.375s +user 0m0.004s +sys 0m0.188s +}}} + +371 / (33.98+7.37) = 8.97 MB/s + +=== btrfs on giskard === + +{{{ +giskard:/# time cp -a /home/bernie/src/oe / + +real 1m3.186s +user 0m0.519s +sys 0m29.894s + +giskard:/# mount -o remount,noatime,nodatasum,nobarrier / +giskard:/# time cp -a oe oe2 + +real 1m7.247s +user 0m0.391s +sys 0m26.580s + +giskard:/# time cp -a oe oe2; time sync + +real 0m26.838s +user 0m0.311s +sys 0m17.783s + +real 0m19.898s +user 0m0.001s +sys 0m1.977s +}}} + +371MB/(27+20) = 7.89MB/s -- 2.25.1