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 Jul 31 23:20:26 2024 Auto Mode Machine = Linux oleg316-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-oleg316-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 8061 20277 476959 710511 64 8 10259 31341 763021 818885 64 16 11232 52760 969761 969761 64 32 12947 78724 603489 718114 64 64 13533 92602 1143223 1279447 128 4 10873 14861 695603 652488 128 8 16915 24994 836500 673778 128 16 18295 54957 819893 753179 128 32 21958 78331 1111981 1217930 128 64 20040 93420 1133103 1172704 128 128 23738 111689 1175271 927549 256 4 13761 21783 585845 569985 256 8 21521 37192 514045 563701 256 16 36861 116308 1881098 1368162 256 32 64582 160696 2000242 2049885 256 64 76620 159289 1924938 2097948 256 128 83224 215879 2015259 2435861 256 256 50391 154967 1391207 1266495 512 4 14268 21949 600895 436143 512 8 21489 31759 516743 793951 512 16 28335 45345 754083 969603 512 32 37749 70825 760762 840566 512 64 48608 81853 799865 848872 512 128 50929 108405 831132 1196499 512 256 51638 106825 962649 990168 512 512 57237 115345 1064794 949875 1024 4 17286 30887 509195 536414 1024 8 26431 52367 1236742 642785 1024 16 35688 90659 831744 968904 1024 32 97504 66039 1488307 1957770 1024 64 94676 145598 848337 905384 1024 128 63916 165536 960669 1070048 1024 256 65616 194379 1014685 1104727 1024 512 65414 230369 995171 1098511 2048 4 24674 38440 1144133 1114301 2048 8 34684 60482 731194 805975 2048 16 43746 48955 705492 821546 2048 32 58784 71640 941589 1029621 2048 64 57586 93665 920796 1106407 2048 128 57951 117483 853717 942002 2048 256 62671 127354 939940 1017306 2048 512 72763 122724 969758 970635 4096 4 24217 33244 407523 427245 4096 8 38750 44557 1025308 1233405 4096 16 51399 105468 710240 698147 4096 32 57298 118282 779174 887169 4096 64 69295 166085 1497051 1906162 4096 128 139158 172143 1345667 1590168 4096 256 96958 135252 962360 1679393 4096 512 90154 188295 961229 1060040 8192 4 34151 43662 813194 883515 8192 8 49468 67956 941264 1244971 8192 16 71000 75760 878882 941496 8192 32 80596 99683 1069703 1153638 8192 64 98272 136887 1105817 1248046 8192 128 103939 218250 886867 1749672 8192 256 156934 120159 933896 982723 8192 512 109821 153450 974666 1106885 16384 4 34817 31862 631294 626586 16384 8 52342 70254 802940 901300 16384 16 74840 74946 818714 881959 16384 32 72719 97281 981667 1031408 16384 64 110080 160525 1244043 1021185 16384 128 118470 157031 1039993 1081025 16384 256 121213 106579 1005717 1050053 16384 512 137765 143753 930744 943666 32768 4 31923 31381 859736 887471 32768 8 54927 75187 891356 1059702 32768 16 88589 81931 1181510 1094600 32768 32 100114 138627 938317 975762 32768 64 114379 182432 1696425 1677316 32768 128 159636 223467 1806700 1711935 32768 256