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: Fri Dec 20 00:18:20 2024 Auto Mode Machine = Linux oleg214-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-oleg214-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 9366 23426 353294 328238 64 8 11704 35892 615952 587635 64 16 7773 70961 952555 760859 64 32 7930 89275 1310683 1124074 64 64 18454 99834 1690338 1484662 128 4 8724 17087 271722 295502 128 8 19978 37515 540217 481150 128 16 23961 63808 811221 707520 128 32 20236 76327 1085013 1152564 128 64 23841 101587 146613 1278855 128 128 15924 132370 1878447 1778862 256 4 14472 19641 298692 286422 256 8 22007 35729 636930 367241 256 16 17796 53927 733527 799625 256 32 31640 102811 1180188 713067 256 64 27225 68413 1332507 752549 256 128 34211 136455 1532153 1707589 256 256 24888 51395 2114473 1924938 512 4 15139 21200 372064 353797 512 8 15404 22368 554646 632020 512 16 32257 60185 396594 842214 512 32 50230 143655 1017858 1047141 512 64 38513 118541 1296159 1333173 512 128 56900 132235 1488408 1361057 512 256 63625 159999 1560891 1772135 512 512 33801 130547 2275345 1759070 1024 4 19693 16512 264048 380664 1024 8 29946 42287 559619 435913 1024 16 25958 52743 790125 904431 1024 32 66445 92393 782923 439661 1024 64 34376 67254 1196434 710052 1024 128 38842 146747 1497127 1471481 1024 256 68601 128916 1532928 1615374 1024 512 53906 132129 232678 1759651 2048 4 19335 20357 356742 311333 2048 8 28346 40204 534705 491476 2048 16 51674 63065 817247 413996 2048 32 66107 92716 734069 640427 2048 64 85433 49781 866287 938605 2048 128 69842 139758 1057768 1364390 2048 256 80301 141552 1183870 1491617 2048 512 108131 94187 1625402 1519319 4096 4 19261 20672 370808 358072 4096 8 26715 32026 581820 331633 4096 16 39870 38713 691320 508568 4096 32 54752 73328 757396 748943 4096 64 83186 93370 661379 756129 4096 128 83164 104695 1462887 994907 4096 256 83939 105270 1621536 1609384 4096 512 109735 132040 1742237 692937 8192 4 16284 18562 156989 296639 8192 8 28956 32826 452019 483158 8192 16 42102 61835 547890 740084 8192 32 66723 76421 741905 589565 8192 64 73391 76185 1012492 1106280 8192 128 86384 100895 1077621 1382640 8192 256 93135 86867 1534683 1469130 8192 512 75111 102120 1108671 1192433 16384 4 18374 16309 211049 266775 16384 8 22734 34446 511230 398734 16384 16 44856 50939 653737 513043 16384 32 56655 72804 920028 943445 16384 64