Difference between revisions of "Iozone"
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iozone -s 1024m -r 32k -i 0 -i 1 -i 2 -+n -t 1 | iozone -s 1024m -r 32k -i 0 -i 1 -i 2 -+n -t 1 | ||
+ | ==Western Digital== | ||
+ | ===WDC WD1600JD-75H=== | ||
+ | ====64k Blocks==== | ||
+ | <pre> | ||
+ | Iozone: Performance Test of File I/O | ||
+ | Version $Revision: 3.279 $ | ||
+ | Compiled for 32 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. | ||
+ | |||
+ | Run began: Mon Apr 9 10:23:36 2007 | ||
+ | |||
+ | File size set to 1048576 KB | ||
+ | Record Size 64 KB | ||
+ | No retest option selected | ||
+ | Command line used: iozone -s 1024m -r 64k -i 0 -i 1 -i 2 -+n -t 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 1048576 Kbyte file in 64 Kbyte records | ||
+ | |||
+ | Children see throughput for 1 initial writers = 49564.20 KB/sec | ||
+ | Parent sees throughput for 1 initial writers = 45431.54 KB/sec | ||
+ | Min throughput per process = 49564.20 KB/sec | ||
+ | Max throughput per process = 49564.20 KB/sec | ||
+ | Avg throughput per process = 49564.20 KB/sec | ||
+ | Min xfer = 1048576.00 KB | ||
+ | |||
+ | Children see throughput for 1 readers = 59590.32 KB/sec | ||
+ | Parent sees throughput for 1 readers = 59577.54 KB/sec | ||
+ | Min throughput per process = 59590.32 KB/sec | ||
+ | Max throughput per process = 59590.32 KB/sec | ||
+ | Avg throughput per process = 59590.32 KB/sec | ||
+ | Min xfer = 1048576.00 KB | ||
+ | |||
+ | Children see throughput for 1 random readers = 8309.17 KB/sec | ||
+ | Parent sees throughput for 1 random readers = 8309.16 KB/sec | ||
+ | Min throughput per process = 8309.17 KB/sec | ||
+ | Max throughput per process = 8309.17 KB/sec | ||
+ | Avg throughput per process = 8309.17 KB/sec | ||
+ | Min xfer = 1048576.00 KB | ||
+ | |||
+ | Children see throughput for 1 random writers = 22801.88 KB/sec | ||
+ | Parent sees throughput for 1 random writers = 20238.00 KB/sec | ||
+ | Min throughput per process = 22801.88 KB/sec | ||
+ | Max throughput per process = 22801.88 KB/sec | ||
+ | Avg throughput per process = 22801.88 KB/sec | ||
+ | Min xfer = 1048576.00 KB | ||
+ | </pre> |
Revision as of 10:30, 9 April 2007
The standard command I use is as follows:
iozone -s 1024m -r 32k -i 0 -i 1 -i 2 -+n -t 1
Western Digital
WDC WD1600JD-75H
64k Blocks
Iozone: Performance Test of File I/O Version $Revision: 3.279 $ Compiled for 32 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. Run began: Mon Apr 9 10:23:36 2007 File size set to 1048576 KB Record Size 64 KB No retest option selected Command line used: iozone -s 1024m -r 64k -i 0 -i 1 -i 2 -+n -t 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 1048576 Kbyte file in 64 Kbyte records Children see throughput for 1 initial writers = 49564.20 KB/sec Parent sees throughput for 1 initial writers = 45431.54 KB/sec Min throughput per process = 49564.20 KB/sec Max throughput per process = 49564.20 KB/sec Avg throughput per process = 49564.20 KB/sec Min xfer = 1048576.00 KB Children see throughput for 1 readers = 59590.32 KB/sec Parent sees throughput for 1 readers = 59577.54 KB/sec Min throughput per process = 59590.32 KB/sec Max throughput per process = 59590.32 KB/sec Avg throughput per process = 59590.32 KB/sec Min xfer = 1048576.00 KB Children see throughput for 1 random readers = 8309.17 KB/sec Parent sees throughput for 1 random readers = 8309.16 KB/sec Min throughput per process = 8309.17 KB/sec Max throughput per process = 8309.17 KB/sec Avg throughput per process = 8309.17 KB/sec Min xfer = 1048576.00 KB Children see throughput for 1 random writers = 22801.88 KB/sec Parent sees throughput for 1 random writers = 20238.00 KB/sec Min throughput per process = 22801.88 KB/sec Max throughput per process = 22801.88 KB/sec Avg throughput per process = 22801.88 KB/sec Min xfer = 1048576.00 KB