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: Wed May 8 18:09:43 2024 Auto Mode Machine = Linux oleg112-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-oleg112-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 15358 28230 435909 576282 64 8 18985 28765 720041 710511 64 16 20908 64191 1204796 1017549 64 32 22542 114285 1143223 831569 64 64 15724 86374 645579 645579 128 4 11860 15243 299792 139273 128 8 13704 25942 376538 271173 128 16 22531 59726 528517 444133 128 32 18954 70448 836500 743788 128 64 23256 84883 1254941 1152564 128 128 28144 91681 1997245 1085013 256 4 23247 31426 498995 572721 256 8 25376 34749 558715 514045 256 16 24424 43485 535583 508929 256 32 37808 80782 585845 873809 256 64 42097 76944 1142514 1112909 256 128 42335 109870 1070737 1023775 256 256 37284 116637 980760 1463250 512 4 12986 16061 311418 275714 512 8 40839 38937 422084 549959 512 16 34763 51256 642419 793951 512 32 42835 94758 541773 692780 512 64 65904 125489 1084694 1216149 512 128 94031 148750 1629590 1630828 512 256 98328 169362 1931527 2178404 512 512 75053 197983 1705969 1541840 1024 4 26283 23014 398279 489242 1024 8 39478 44103 605538 660682 1024 16 69882 95219 959596 803728 1024 32 82619 119083 1027060 1393200 1024 64 106411 138231 1612342 1834824 1024 128 119614 171470 1577984 1612342 1024 256 127633 185305 1659694 1822368 1024 512 126935 211963 1917562 1969440 2048 4 25094 28677 378982 323894 2048 8 37687 50024 723923 657285 2048 16 70131 82328 946360 881669 2048 32 78254 112378 1138372 1489289 2048 64 81998 127062 938605 1496033 2048 128 101693 116847 940352 1080793 2048 256 120075 190211 1280015 1303518 2048 512 102195 176475 1378181 1556484 4096 4 29837 29273 340932 298869 4096 8 42139 55324 596651 475504 4096 16 67670 61729 721909 967672 4096 32 67309 78803 673804 850665 4096 64 80704 123262 1297396 1074493 4096 128 126772 161412 1271659 1243853 4096 256 93415 115036 1502024 1392344 4096 512 156085 209001 1374520 1422786 8192 4 28407 29481 411800 415480 8192 8 48003 44538 646773 532223 8192 16 57907 69647 646822 627978 8192 32 77849 94569 851905 781546 8192 64 80614 135128 1198171 1160848 8192 128 110947 151945 1093430 1076608 8192 256 135058 191998 1131490 1121884 8192 512 123354 204713 1384033 1714831 16384 4 28815 29648 496830 477710 16384 8 50824 50769 734215 706120 16384 16 72763 82262 1052481 999704 16384 32 105780 128071 1426786 1216428 16384 64 119824 156294 1456729 1512418 16384 128 148224 190748 1576467 1702755 16384 256 166132 192133 1658136 1673358 16384 512 159235 183100 1257405 1814193 32768 4 28266 34546 432974 497299 32768 8 53062 50466 677540 706863 32768 16