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: Tue Dec 24 23:01:45 2024 Auto Mode Machine = Linux oleg260-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-oleg260-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 10784 29424 453587 581273 64 8 15560 39023 528618 481234 64 16 18161 66398 710511 811459 64 32 17528 94793 1188789 1101022 64 64 21353 134702 1484662 1599680 128 4 15615 25492 373136 332467 128 8 23537 43126 983630 529038 128 16 30137 60006 814915 1291158 128 32 30173 95379 1455701 1040839 128 64 30608 134864 1359835 1220700 128 128 38117 153094 1852520 2511022 256 4 17495 22992 358534 171914 256 8 28482 45755 556398 547044 256 16 35599 71550 797250 610842 256 32 56299 97783 1143731 1224606 256 64 64273 129744 2049885 1368162 256 128 54353 122366 1790149 1267990 256 256 58025 144537 1967260 1881098 512 4 20484 25631 244621 335554 512 8 29561 41097 533297 298021 512 16 50294 60002 719230 824431 512 32 65995 95879 1270094 683736 512 64 66771 101101 1182661 1711407 512 128 66056 146039 1276891 1438555 512 256 63784 145161 1783912 1684557 512 512 87268 220213 2152206 1975959 1024 4 20728 25345 315254 383520 1024 8 35043 44628 704693 395966 1024 16 43736 65289 885778 824558 1024 32 59631 103611 933525 1119120 1024 64 70189 125860 1331440 1241389 1024 128 77149 159600 1638796 1426043 1024 256 77242 155807 1689730 1426043 1024 512 84321 175729 1620249 1851434 2048 4 22286 25553 399071 446281 2048 8 40618 42983 416162 584794 2048 16 62402 77030 834557 866636 2048 32 85233 103717 1012270 1180454 2048 64 99461 145238 1120405 1268110 2048 128 103470 142123 1365474 1535066 2048 256 121631 188998 1702391 1723915 2048 512 108526 175631 1718053 1599971 4096 4 23460 27381 374266 379893 4096 8 41210 46631 565838 651497 4096 16 55921 75880 862321 796403 4096 32 83667 106447 948807 1071077 4096 64 99441 137343 1210463 1025798 4096 128 118428 155853 1601284 1505974 4096 256 130334 160735 1875366 1731177 4096 512 120442 184106 1128338 1684993 8192 4 21653 25154 393312 410193 8192 8 40294 44999 647895 649549 8192 16 66055 73917 933135 795036 8192 32 79732 97188 689389 1049703 8192 64 108046 138359 1179053 1334213 8192 128 117784 168552 1494629 1588242 8192 256 125269 181878 1557430 1641038 8192 512