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Created December 30, 2009 16:15
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zroot 100mb
%iozone -R -l 5 -u 5 -r 1024k -s 100m -F f1 f2 f3 f4 f5
Iozone: Performance Test of File I/O
Version $Revision: 3.326 $
Compiled for 64 bit mode.
Build: freebsd
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, Gavin Brebner,
Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy,
Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root.
Run began: Fri Dec 25 23:58:42 2009
Excel chart generation enabled
Record Size 1024 KB
File size set to 102400 KB
Command line used: iozone -R -l 5 -u 5 -r 1024k -s 100m -F f1 f2 f3 f4 f5
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.
Min process = 5
Max process = 5
Throughput test with 5 processes
Each process writes a 102400 Kbyte file in 1024 Kbyte records
Children see throughput for 5 initial writers = 82310.30 KB/sec
Parent sees throughput for 5 initial writers = 32625.15 KB/sec
Min throughput per process = 8673.13 KB/sec
Max throughput per process = 28427.02 KB/sec
Avg throughput per process = 16462.06 KB/sec
Min xfer = 30720.00 KB
Children see throughput for 5 rewriters = 92564.76 KB/sec
Parent sees throughput for 5 rewriters = 46403.72 KB/sec
Min throughput per process = 6571.33 KB/sec
Max throughput per process = 32500.21 KB/sec
Avg throughput per process = 18512.95 KB/sec
Min xfer = 20480.00 KB
Children see throughput for 5 readers = 1433235.20 KB/sec
Parent sees throughput for 5 readers = 1008516.48 KB/sec
Min throughput per process = 107735.12 KB/sec
Max throughput per process = 668997.19 KB/sec
Avg throughput per process = 286647.04 KB/sec
Min xfer = 24576.00 KB
Children see throughput for 5 re-readers = 1501567.17 KB/sec
Parent sees throughput for 5 re-readers = 1016713.06 KB/sec
Min throughput per process = 119266.02 KB/sec
Max throughput per process = 584354.19 KB/sec
Avg throughput per process = 300313.43 KB/sec
Min xfer = 27648.00 KB
Children see throughput for 5 reverse readers = 903336.27 KB/sec
Parent sees throughput for 5 reverse readers = 750037.14 KB/sec
Min throughput per process = 18191.72 KB/sec
Max throughput per process = 546421.81 KB/sec
Avg throughput per process = 180667.25 KB/sec
Min xfer = 3072.00 KB
Children see throughput for 5 stride readers = 1081217.57 KB/sec
Parent sees throughput for 5 stride readers = 802783.88 KB/sec
Min throughput per process = 15124.99 KB/sec
Max throughput per process = 926462.50 KB/sec
Avg throughput per process = 216243.51 KB/sec
Min xfer = 2048.00 KB
Children see throughput for 5 random readers = 1035546.47 KB/sec
Parent sees throughput for 5 random readers = 966368.74 KB/sec
Min throughput per process = 10554.75 KB/sec
Max throughput per process = 818800.50 KB/sec
Avg throughput per process = 207109.29 KB/sec
Min xfer = 1024.00 KB
Children see throughput for 5 mixed workload = 1040485.66 KB/sec
Parent sees throughput for 5 mixed workload = 52358.85 KB/sec
Min throughput per process = 34315.34 KB/sec
Max throughput per process = 552185.19 KB/sec
Avg throughput per process = 208097.13 KB/sec
Min xfer = 8192.00 KB
Children see throughput for 5 random writers = 83499.81 KB/sec
Parent sees throughput for 5 random writers = 32254.51 KB/sec
Min throughput per process = 8833.00 KB/sec
Max throughput per process = 26016.91 KB/sec
Avg throughput per process = 16699.96 KB/sec
Min xfer = 34816.00 KB
Children see throughput for 5 pwrite writers = 77014.28 KB/sec
Parent sees throughput for 5 pwrite writers = 30513.04 KB/sec
Min throughput per process = 5847.54 KB/sec
Max throughput per process = 26243.09 KB/sec
Avg throughput per process = 15402.86 KB/sec
Min xfer = 23552.00 KB
Children see throughput for 5 pread readers = 1095567.33 KB/sec
Parent sees throughput for 5 pread readers = 756418.93 KB/sec
Min throughput per process = 7460.25 KB/sec
Max throughput per process = 1070672.12 KB/sec
Avg throughput per process = 219113.47 KB/sec
Min xfer = 1024.00 KB
"Throughput report Y-axis is type of test X-axis is number of processes"
"Record size = 1024 Kbytes "
"Output is in Kbytes/sec"
" Initial write " 82310.30
" Rewrite " 92564.76
" Read " 1433235.20
" Re-read " 1501567.17
" Reverse Read " 903336.27
" Stride read " 1081217.57
" Random read " 1035546.47
" Mixed workload " 1040485.66
" Random write " 83499.81
" Pwrite " 77014.28
" Pread " 1095567.33
iozone test complete.
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