Iozone: Performance Test of File I/O Version $Revision: 3.283 $ Compiled for 32 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, Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Erik Habbinga, Kris Strecker, Walter Wong. Run began: Sat Jun 21 10:33:52 2008 Auto Mode SYNC Mode. File size set to 524288 KB Command line used: iozone -a -o -s 512m -b /tmp/iozone.zfs.raid5.xls Output is in Kbytes/sec Time Resolution = 0.000003 seconds. Processor cache size set to 1024 Kbytes. Processor cache line size set to 32 bytes. File stride size set to 17 * record size. random random bkwd record stride KB reclen write rewrite read reread read write read rewrite read fwrite frewrite fread freread 524288 4 204 204 125107 104105 823 151 82765 207 4808 49074 46020 114287 107598 524288 8 381 382 130340 119406 1570 289 87027 390 4635 69430 48763 109394 107952 524288 16 722 710 109073 180782 3288 549 82995 729 2136 67555 54629 131753 100697 524288 32 1264 1266 109002 131134 6569 1025 85540 1300 14242 68444 49455 136503 102383 524288 64 1696 1602 183367 193944 12483 1498 80069 1611 18556 85776 52707 133957 111708 524288 128 3361 3260 110783 111763 26639 3282 75220 3324 24055 116260 86746 138095 107090 524288 256 5521 5190 108334 109274 34440 5387 37847 5267 40976 115654 129767 136085 134213 524288 512 9722 9817 116031 112404 55836 9790 62421 10385 61455 109622 117995 135370 111554 524288 1024 17311 15362 112983 109360 73885 14006 81507 16192 71067 98824 108525 125342 116958 524288 2048 30542 28968 119921 112360 56932 21653 80066 31453 39730 88602 88065 128450 112435 524288 4096 49421 27524 127189 121274 41540 11119 108896 47458 98996 110516 109617 122421 126443 524288 8192 28919 17630 118055 107414 52512 30660 79706 23029 110771 24944 21650 117426 120810 524288 16384 40089 23158 114298 116270 55009 23354 114435 84254 130848 38957 41671 115664 112291 iozone test complete. Excel output is below: "Writer report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 204 381 722 1264 1696 3361 5521 9722 17311 30542 49421 28919 40089 "Re-writer report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 204 382 710 1266 1602 3260 5190 9817 15362 28968 27524 17630 23158 "Reader report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 125107 130340 109073 109002 183367 110783 108334 116031 112983 119921 127189 118055 114298 "Re-Reader report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 104105 119406 180782 131134 193944 111763 109274 112404 109360 112360 121274 107414 116270 "Random read report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 823 1570 3288 6569 12483 26639 34440 55836 73885 56932 41540 52512 55009 "Random write report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 151 289 549 1025 1498 3282 5387 9790 14006 21653 11119 30660 23354 "Backward read report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 82765 87027 82995 85540 80069 75220 37847 62421 81507 80066 108896 79706 114435 "Record rewrite report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 207 390 729 1300 1611 3324 5267 10385 16192 31453 47458 23029 84254 "Stride read report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 4808 4635 2136 14242 18556 24055 40976 61455 71067 39730 98996 110771 130848 "Fwrite report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 49074 69430 67555 68444 85776 116260 115654 109622 98824 88602 110516 24944 38957 "Re-Fwrite report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 46020 48763 54629 49455 52707 86746 129767 117995 108525 88065 109617 21650 41671 "Fread report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 114287 109394 131753 136503 133957 138095 136085 135370 125342 128450 122421 117426 115664 "Re-Fread report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 107598 107952 100697 102383 111708 107090 134213 111554 116958 112435 126443 120810 112291