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 Aug 9 21:25:32 2024 Auto Mode Machine = Linux oleg222-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-oleg222-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 5984 27694 76177 302018 64 8 9518 42779 529661 587635 64 16 10131 47970 866463 778512 64 32 15774 91684 1204796 1679761 64 64 14096 109217 1562436 1484662 128 4 18051 19647 363535 347758 128 8 21209 59759 516318 540217 128 16 24753 52332 410199 859260 128 32 28999 83601 1185654 864797 128 64 25197 118624 907174 962469 128 128 23716 138554 1885042 1885042 256 4 17929 21588 299025 595264 256 8 22487 32540 543445 540164 256 16 29684 67193 629094 904732 256 32 51077 89383 1147398 1642294 256 64 53232 127178 1340826 1391207 256 128 43917 153024 1610276 2114473 256 256 39263 161106 1894373 1952947 512 4 18892 24117 313922 226246 512 8 35307 44537 581846 626672 512 16 48314 62928 698412 795127 512 32 60763 74287 1118011 1132755 512 64 53951 75536 960496 837942 512 128 59932 135849 1614885 1355045 512 256 71031 142304 1778004 1815584 512 512 85704 209739 1954379 2081286 1024 4 19430 23522 315857 299325 1024 8 35468 44681 523214 581752 1024 16 59653 74347 840863 872995 1024 32 69611 99437 535611 811932 1024 64 85569 109331 721139 1144163 1024 128 96923 166073 1275301 892775 1024 256 85877 162590 1054547 1467458 1024 512 99485 190263 1896395 1753902 2048 4 21711 26514 307048 370083 2048 8 43075 49210 490074 560781 2048 16 61722 69139 850084 820213 2048 32 68103 101080 996072 1043885 2048 64 86989 114363 1185831 1317918 2048 128 115647 139997 1458688 1392253 2048 256 111002 173632 1561009 1666393 2048 512 123559 161553 1522820 1709505 4096 4 22683 24162 309063 349157 4096 8 39343 39844 575833 465291 4096 16 58303 71141 848564 812409 4096 32 84685 101158 980597 1041153 4096 64 104003 142202 1441771 1017897 4096 128 117105 97483 1288444 1253016 4096 256 111535 146254 1564536 1065563 4096 512 117830 164662 1563824 1016872 8192 4