Iozone: Performance Test of File I/O Version $Revision: 3.483 $ Compiled for 64 bit mode. Build: linux-AMD64 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, Dave Boone, Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root, Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer, Vangel Bojaxhi, Ben England, Vikentsi Lapa, Alexey Skidanov, Sudhir Kumar. Run began: Thu Jun 13 18:11:41 2024 Auto Mode Machine = Linux oleg217-client.virtnet 3.10.0-7.9-debug #1 SMP Sat Mar 26 23:2 Excel chart generation enabled Excel chart generation enabled Verify Mode. Pattern dbdbdbdb Performance measurements are invalid in this mode. Using maximum file size of 102400 kilobytes. Using Maximum Record Size 512 kB Command line used: iozone -a -M -R -V 0xab -g 100M -q 512k -i0 -i1 -f /mnt/lustre/d4.lustre-rsync-test/d0.iozone-oleg217-client.virtnet/iozone-file 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. random random bkwd record stride kB reclen write rewrite read reread read write read rewrite read fwrite frewrite fread freread 64 4 11190 20049 275939 148159 64 8 18795 33614 357529 454354 64 16 19752 52760 603489 647135 64 32 21220 68656 809014 651849 64 64 45514 151675 952555 1947927 128 4 15740 22389 290859 292126 128 8 23430 44231 472262 465304 128 16 45649 105791 1217930 1363288 128 32 69043 152010 1102844 1007629 128 64 66110 163889 1152564 1048974 128 128 60753 128259 2166499 2035099 256 4 20779 29110 502969 532397 256 8 41510 53803 660030 450620 256 16 49220 87639 768712 1173737 256 32 69810 152937 1506359 1561112 256 64 88397 181411 1790149 1952947 256 128 79133 240382 1439707 1312954 256 256 110061 296302 1201314 2266207 512 4 17463 29539 251349 244732 512 8 36959 67050 687237 584380 512 16 71509 94900 807383 926116 512 32 71347 151703 1476130 1575781 512 64 126138 219920 1122687 1169140 512 128 110230 210520 1242896 2158696 512 256 100750 320624 978885 1337324 512 512 98976 161613 941133 1150351 1024 4 16954 21175 259439 277581 1024 8 23999 28937 416914 424537 1024 16 41787 59673 588528 590227 1024 32 65561 84879 562624 551074 1024 64 131096 116471 1302766 1404591 1024 128 113840 204310 1134192 1268896 1024 256 108588 135394 921705 1065535 1024 512 86355 166395 1079190 1020956 2048 4 21652 19126 326889 373592 2048 8 39424 36487 445494 318112 2048 16 55181 78036 663837 713046 2048 32 66690 107926 1386635 1166982 2048 64 134119 143206 1582871 1550304 2048 128 166343 188599 1752044 1155834 2048 256 174132 238497 1883837 1529327 2048 512 191689 280169 1357061 2050198 4096 4 27735 37568 453201 470748 4096 8 58824 62615 837478 804873 4096 16 79935 106282 1194140 1121854 4096 32 126611 139030 971557 1258432 4096 64 153908 221165 1396986 1568822 4096 128 149228 224635 1798034 1928414 4096 256 206742 257840 1852715 2121284 4096 512 220167 298542 1726653 1707943 8192 4 35637 38929 547296 526305 8192 8 60206 63092 846532 826137 8192 16 83691 119649 1220863 1307607 8192 32 131492 151717 1519884 1650259 8192 64 184181 195755 1642999 1688372 8192 128 195661 197388 976383 1464996 8192 256 156856 207361 990542 1062098 8192 512 110238 155092 962408 1018253 16384 4 30363 39960 481118 540350 16384 8 55867 56292 856767 858920 16384 16 90339 112602 1087422 928430 16384 32