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 May 10 08:15:22 2024 Auto Mode Machine = Linux oleg429-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-oleg429-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 10505 13266 551422 329852 64 8 17120 47936 435202 735831 64 16 12070 51485 500060 666414 64 32 14838 64068 769584 863676 64 64 13918 73226 703068 1226821 128 4 11943 16974 295665 274080 128 8 14308 29203 404025 474349 128 16 18119 48433 579270 673778 128 32 19438 67295 663782 504196 128 64 28138 59369 579270 1051027 128 128 24033 96458 1067750 935631 256 4 11893 15281 274137 177895 256 8 17745 24216 522551 430218 256 16 25984 42724 443730 571502 256 32 31151 61688 773140 719277 256 64 32540 91011 1023775 928195 256 128 37680 108013 1093639 1103757 256 256 35441 107344 1132871 1137672 512 4 12778 16431 229191 220010 512 8 22512 29643 442524 376170 512 16 28969 47424 620515 699550 512 32 41224 73121 810124 846197 512 64 56208 97114 896725 810124 512 128 56431 83430 875164 1051757 512 256 60944 93994 1089094 1147892 512 512 53561 160405 1030558 1201856 1024 4 17817 14999 183979 331816 1024 8 39092 25493 276901 429719 1024 16 31125 49793 569487 580181 1024 32 47548 50577 662414 821719 1024 64 76906 93910 613846 967813 1024 128 51599 111607 903860 895941 1024 256 75482 94805 783494 1193442 1024 512 68845 104427 970656 1037480 2048 4 22267 25910 444618 312431 2048 8 40629 54623 581508 722401 2048 16 50556 91078 680616 785846 2048 32 62404 99805 776329 1412398 2048 64 78914 94251 872268 1080793 2048 128 130196 147614 1447382 1646273 2048 256 110522 193389 1621413 1817281 2048 512 163487 233226 1598780 1955900 4096 4 27595 29547 447301 375198 4096 8 44573 46219 613001 578041 4096 16 59578 77054 839524 742021 4096 32 75389 107633 1233405 1375401 4096 64 93182 133000 1254938 1274489 4096 128 130151 161501 956999 1440200 4096 256 156139 169788 1354472 1468012 4096 512 161973 213155 1319214 1144805 8192 4 27852 32786 478529 427063 8192 8 41982 52639 399198 683289 8192 16 66525 69676 893463 708042 8192 32 79596 97875 1148317 1244836 8192 64 134160 144732 1414865 1421009 8192 128 130639 173909 1471773 1423187 8192 256 131368 185625 1407793 888128 8192 512 144210 213217 1403709 1444001 16384 4 27391 29845 432753 459825 16384 8 45146 49129 746903 721094 16384 16 72190 67537 558723 601184 16384 32 75475 75149 636274 654734 16384 64 107213 107443 756624 823739 16384 128 124946 139375 867245 861191 16384 256 134742 147032 1056202 783290 16384 512 144858 118180 1368755 1368646 32768 4 27995 30469 462315 435640