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 # 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