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: Mon Nov 11 12:34:54 2024 Auto Mode Machine = Linux oleg347-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-oleg347-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 9674 17495 374488 399573 64 8 10517 37649 561808 492717 64 16 14337 7052 821391 653436 64 32 19931 86374 831569 1188789 64 64 14855 111857 1638743 771797 128 4 14636 24955 349797 379734 128 8 21444 52806 520321 653282 128 16 34783 68123 914904 757430 128 32 32538 68011 1185654 1196221 128 64 29926 126865 1421023 1424795 128 128 43623 153312 1778862 757430 256 4 20458 25700 218426 422432 256 8 27705 43506 612584 1031644 256 16 38230 66577 867455 839644 256 32 44291 105872 1117543 965763 256 64 47993 137715 1274008 1398455 256 128 67638 169552 1629830 1552085 256 256 66701 185935 2285501 2613746 512 4 22089 27235 381516 416275 512 8 37372 48174 669247 644733 512 16 42891 80542 994294 988801 512 32 78178 93142 1177473 917412 512 64 72646 144108 1510391 1075459 512 128 68909 168142 1527582 1924603 512 256 91169 198220 2099600 1797349 512 512 99398 177789 2560168 2317080 1024 4 23700 20730 417440 403935 1024 8 39714 43734 558309 360685 1024 16 46326 71398 612446 887425 1024 32 71935 113500 1142945 1080275 1024 64 92228 72758 1294520 1368780 1024 128 113729 178988 1590254 1889720 1024 256 108544 236379 1928757 1812371 1024 512 130845 198026 2124322 1816203 2048 4 21511 27459 419086 439005 2048 8 37764 48480 632691 761329 2048 16 45816 75571 784053 1049754 2048 32 89534 111681 1267362 1127760 2048 64 54929 127483 1318929 1346425 2048 128 110362 179365 1530689 1490323 2048 256 74348 173618 1762469 1658350 2048 512 127960 234002 1914061 1873974 4096 4 24413 30377 387476 407968 4096 8 38547 49764 634041 654401 4096 16 53985 74062 870933 910056 4096 32 70407 105588 1239635 1325115 4096 64 92113 136866 1315778 1345983 4096 128 88995 153718 1545118 1516476 4096 256 102538 179445 1604424 1695302 4096 512 92142 182922 1871281 1822062 8192 4 24530 24756 433026 334737 8192 8 40314 42974 664832 604660 8192 16 57575 67676 1062656 1045455 8192 32 84490 87354 1182461 1184989 8192 64 103696 119019 1486996 1548307 8192 128 123879 144804 1582318 1637440 8192 256 119095 152179 1915813 1755662 8192 512 119980 159089 1952390 1955167 16384 4 24483 25932 419994 425226 16384 8 39566 43952 672330 652149 16384 16 57812 65880 904789 1004600 16384 32 73801 89404 1251360 1234389 16384 64 82445 96168 1340742 1278007 16384 128 94104 114024 1532931 1597503 16384 256 98421 116481 1675438 1685217 16384 512 105929 125764 1757944 1597837 32768 4 22572 23293 366040 387337 32768 8 36146 39539 642851 633958 32768 16 53208 61010 897286 917692 32768 32 66598 74126 897110 1137892 32768 64 69580 81144 1322153 1409922 32768 128 82797 90593 1616248 1623368 32768 256 83742 103634 1659313 1730276 32768 512 83329 122561 1691352 1708976 65536 4 22449 24408 397742 398336 65536 8 37424 41599 637181 638845 65536 16 56951 62285 925191 979231 65536 32 75430 86763 1297304 1210133 65536 64 89010 106557 1452806 1498169 65536 128