Re: iozone results

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



doiggl@xxxxxxxxxxxxxxxxxx wrote:
> iozone results
> source info from http://www.citi.umich.edu/projects/asci/benchmarks.html
>
> # iozone -ec -t 1 -r 4M -s 100M -+n -i 0 -i 1
>         Iozone: Performance Test of File I/O
>                 Version $Revision: 3.300 $
>                 Compiled for 64 bit mode.
>                 Build: linux
>
>         Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
>                      Al Slater, Scott Rhine, Mike Wisner, Ken Goss
>                      Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
>                      Randy Dunlap, Mark Montague, Dan Million,
>                      Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy,
>                      Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root.
>
>         Run began: Fri Aug  1 23:30:32 2008
>
>         Include fsync in write timing
>         Include close in write timing
>         Record Size 4096 KB
>         File size set to 102400 KB
>         No retest option selected
>         Command line used: iozone -ec -t 1 -r 4M -s 100M -+n -i 0 -i 1
>         Output is in Kbytes/sec
>         Time Resolution = 0.000001 seconds.
>         Processor cache size set to 1024 Kbytes.
>         Processor cache line size set to 32 bytes.
>         File stride size set to 17 * record size.
>         Throughput test with 1 process
>         Each process writes a 102400 Kbyte file in 4096 Kbyte records
>
>         Children see throughput for  1 initial writers  =  220451.12 KB/sec
>         Parent sees throughput for  1 initial writers   =  218488.69 KB/sec
>         Min throughput per process                      =  220451.12 KB/sec
>         Max throughput per process                      =  220451.12 KB/sec
>         Avg throughput per process                      =  220451.12 KB/sec
>         Min xfer                                        =  102400.00 KB
>
>         Children see throughput for  1 readers          =  749124.19 KB/sec
>         Parent sees throughput for  1 readers           =  734250.46 KB/sec
>         Min throughput per process                      =  749124.19 KB/sec
>         Max throughput per process                      =  749124.19 KB/sec
>         Avg throughput per process                      =  749124.19 KB/sec
>         Min xfer                                        =  102400.00 KB
> -----------
> Here are some basic specifications:
> - Opteron 2350
> - Operating system (Opensuse 11) 64 bit on one disk. Reiser4 formatted on
> another data disk(SATA)
> - Disk formatted in the following way:
>
> # mkfs.reiser4 -o create=ccreg40,compress=lzo1 /dev/sda -fy
>   

I am sorry, but iozone doesn't take care of file content and writes
something
like well compressible zeros. So the results above are meaningless.

Thanks,
Edward.

> # fsck.reiser4 --fix /dev/sda -y
> # mkdir /reiser4
> # mount -t reiser4 /dev/sda /reiser4
>
> Glenn
>
> --
> To unsubscribe from this list: send the line "unsubscribe reiserfs-devel" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>
>   

--
To unsubscribe from this list: send the line "unsubscribe reiserfs-devel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux File System Development]     [Linux BTRFS]     [Linux NFS]     [Linux Filesystems]     [Ext4 Filesystem]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Device Mapper]     [Linux Resources]

  Powered by Linux