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 Apr 15 15:17:40 2024 Auto Mode Machine = Linux oleg227-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-oleg227-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 19271 22743 340738 369844 64 8 31745 40204 441646 467815 64 16 39875 98443 842003 1049372 64 32 46013 129565 1168097 1734015 64 64 43656 114480 1780008 1484662 128 4 22226 29283 286360 533241 128 8 43213 69680 415597 425141 128 16 51405 66462 1175271 692017 128 32 64911 108113 1243315 1243315 128 64 60466 194814 1827299 1487977 128 128 88888 228571 1858934 2248149 256 4 24924 27129 498995 585845 256 8 34863 41539 474937 548161 256 16 60564 82870 744204 680528 256 32 65576 129167 1455317 1224606 256 64 90171 177513 1173737 1195962 256 128 91329 219722 1445521 1292410 256 256 110822 226537 1740810 2330140 512 4 26348 31333 419364 518740 512 8 49805 46877 688338 953671 512 16 72769 99804 1108203 1101383 512 32 88750 137379 1196499 1084694 512 64 124884 201967 1753325 1467055 512 128 131886 244509 1869318 2016784 512 256 125644 188230 1992458 1662389 512 512 157975 257559 2265742 1778004 1024 4 26376 29319 343053 481887 1024 8 46038 50376 497344 519795 1024 16 74370 83708 1014925 1055584 1024 32 93403 137929 1206178 1056623 1024 64 149339 140253 1363565 1888889 1024 128 180348 228215 1469467 1878973 1024 256 182758 312957 1354535 1495042 1024 512 211618 195681 1973059 1774922 2048 4 27113 30857 364942 482233 2048 8 44901 58569 681534 610262 2048 16 68840 75635 810156 880855 2048 32 103503 118608 1372675 1428131 2048 64 158932 197798 1399968 1618968 2048 128 172451 187186 1421043 1544450 2048 256 153975 248999 1642495 1954120 2048 512 197720 270006 1768638 1680082 4096 4 30228 31882 391512 373989 4096 8 50917 54582 733498 680180 4096 16 77608 93084 1107035 1044889 4096 32 106672 165434 1102842 1105895 4096 64 150173 190530 1194555 1469142 4096 128 161044 182807 1596819 1794091 4096 256 191904 211307 1800484 1577320 4096 512 164207 247136 1850121 1784030 8192 4 28807 30131 390319 387349 8192 8 49857 51857 776354 684841 8192 16 72923 100220 853068 915312 8192 32 103889 132267 1398909 617139 8192 64 124976 160965 1219390 1363275 8192 128 148242 186398 1421950 1644651 8192 256 163379 237966 1705976 1754945 8192 512 199751 255250 1587289 1610350 16384 4 28544 28322 346809 393024 16384 8 44383 46929 578632 608752 16384 16 68924 86506 872652 966385 16384 32 113969 126293 1147566 1361245 16384 64 144236 171756 1431542 1467304 16384 128 160898 214533 1536667 1634317 16384 256 188853 219562 1647798 1648470 16384 512 161364 216653 1617849 1614353 32768 4 25845 27690 397419 363257 32768 8 45391 49183 575311 609150 32768 16 74758 85955 948039 841151 32768 32 104363 130689 1197184 1273080 32768 64 133260 175610 1195518 1220499 32768 128 163533 218489 1477841 1666132 32768 256 186001 227773 1627251 1527781