From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Morten P.D. Stevens" Subject: Re: btrfs vs ext4 benchmark Date: Tue, 7 Apr 2009 13:47:45 +0200 Message-ID: <897274600904070447s276a53c7teb5afbfb6ff95783@mail.gmail.com> References: <001001c9b52a$8ef00bc0$acd02340$@com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 To: linux-btrfs@vger.kernel.org Return-path: In-Reply-To: <001001c9b52a$8ef00bc0$acd02340$@com> List-ID: Update: And here the compilebench with options -i 90 and -r 150 (the same as or= acle) btrfs: =2E/compilebench -D /btrfs/work2 -i 90 -r 150 run complete: =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D intial create total runs 90 avg 45.18 MB/s (user 0.84s sys 2.89s) create total runs 20 avg 13.30 MB/s (user 0.88s sys 2.93s) patch total runs 24 avg 5.94 MB/s (user 0.34s sys 2.56s) compile total runs 23 avg 37.04 MB/s (user 0.19s sys 1.60s) clean total runs 14 avg 71.36 MB/s (user 0.03s sys 0.83s) read tree total runs 17 avg 7.02 MB/s (user 0.75s sys 3.26s) read compiled tree total runs 8 avg 16.27 MB/s (user 0.86s sys 4.83s) delete tree total runs 14 avg 21.51 seconds (user 0.45s sys 4.07s) delete compiled tree total runs 6 avg 29.23 seconds (user 0.57s sys 4.6= 6s) stat tree total runs 14 avg 15.99 seconds (user 0.41s sys 1.31s) stat compiled tree total runs 10 avg 19.68 seconds (user 0.41s sys 1.51= s) ext4: =2E/compilebench -D /mnt/work2 -i 90 -r 150 run complete: =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D intial create total runs 90 avg 92.42 MB/s (user 0.76s sys 1.38s) create total runs 20 avg 52.06 MB/s (user 0.73s sys 1.26s) patch total runs 24 avg 17.28 MB/s (user 0.37s sys 0.96s) compile total runs 23 avg 85.64 MB/s (user 0.17s sys 1.05s) clean total runs 14 avg 887.53 MB/s (user 0.02s sys 0.11s) read tree total runs 17 avg 13.60 MB/s (user 0.79s sys 1.34s) read compiled tree total runs 8 avg 24.65 MB/s (user 0.95s sys 2.07s) delete tree total runs 14 avg 2.26 seconds (user 0.39s sys 0.78s) delete compiled tree total runs 6 avg 2.82 seconds (user 0.43s sys 0.91= s) stat tree total runs 14 avg 1.71 seconds (user 0.38s sys 0.33s) stat compiled tree total runs 10 avg 1.99 seconds (user 0.42s sys 0.33s= ) I=B4m a little disappointed about the btrfs results. I was hopefully that btrfs is faster than ext4.... - Morten 2009/4/4 Morten P.D. Stevens : > Hi, > > here are some tests on an IBM server with btrfs vs. ext4. > > Kernel: 2.6.29.1 > Benchmark software: compilerbench with options -i 10 -r 30 > CPU: Intel Xeon Quadcore E5310 > Chipset: Intel 5000 > Memory: 4 GB FB-DIMM DDR2-667 > HDDs: 2x WD6400AAKS @ Raid0 > Storage Controller: IBM Serveraid 8k > > btrfs Result: > > intial create total runs 10 avg 50.89 MB/s (user 0.85s sys 2.59s) > create total runs 5 avg 23.62 MB/s (user 0.82s sys 2.55s) > patch total runs 4 avg 11.35 MB/s (user 0.38s sys 2.22s) > compile total runs 7 avg 66.33 MB/s (user 0.19s sys 1.32s) > clean total runs 4 avg 195.76 MB/s (user 0.03s sys 0.50s) > read tree total runs 2 avg 11.99 MB/s (user 0.66s sys 2.59s) > read compiled tree total runs 1 avg 30.14 MB/s (user 0.88s sys 3.64s) > delete tree total runs 2 avg 10.79 seconds (user 0.43s sys 3.39s) > no runs for delete compiled tree > stat tree total runs 4 avg 9.62 seconds (user 0.41s sys 1.03s) > stat compiled tree total runs 1 avg 10.51 seconds (user 0.49s sys 1.1= 9s) > > ext4 Result: > > intial create total runs 10 avg 96.09 MB/s (user 0.77s sys 1.34s) > create total runs 5 avg 50.84 MB/s (user 0.82s sys 1.20s) > patch total runs 4 avg 20.17 MB/s (user 0.28s sys 1.04s) > compile total runs 7 avg 94.39 MB/s (user 0.17s sys 1.07s) > clean total runs 4 avg 959.66 MB/s (user 0.03s sys 0.11s) > read tree total runs 2 avg 14.67 MB/s (user 0.78s sys 1.26s) > read compiled tree total runs 1 avg 31.96 MB/s (user 0.87s sys 2.31s) > delete tree total runs 2 avg 2.14 seconds (user 0.34s sys 0.81s) > no runs for delete compiled tree > stat tree total runs 4 avg 1.82 seconds (user 0.40s sys 0.35s) > stat compiled tree total runs 1 avg 1.83 seconds (user 0.35s sys 0.33= s) > > Best regards, > > Morten > > -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" = in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html