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 Apr 17 17:09:20 2024 Auto Mode Machine = Linux oleg104-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-oleg104-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 14848 29668 1002351 1163036 64 8 20037 45230 1492919 916769 64 16 29026 83215 969761 1828508 64 32 28827 112278 1947927 2203800 64 64 29450 169701 2358717 2444640 128 4 20665 40842 895074 695603 128 8 34196 48967 1584598 1152564 128 16 41953 74114 1802755 1172704 128 32 47127 152398 1406136 2286447 128 64 47127 159412 2066432 1622919 128 128 48120 154237 2377579 2326073 256 4 29840 37902 697322 1076103 256 8 36729 74504 980760 1306564 256 16 53024 95845 1911233 2030503 256 32 60462 152654 1430119 2000242 256 64 71708 194068 2223962 2366082 256 128 75691 189078 1683493 2165650 256 256 79232 226728 2371308 2419396 512 4 30317 36895 873740 1148506 512 8 53273 51779 1589779 1137555 512 16 62188 87731 1467055 1454140 512 32 56568 132121 2187279 1933266 512 64 77062 131281 2065273 2370799 512 128 109265 211662 2216629 1723770 512 256 103579 209760 1875849 1848401 512 512 126831 273362 2416145 2265742 1024 4 30254 35072 1134192 1094034 1024 8 48258 60115 1314729 1426043 1024 16 81115 86971 1592612 1587902 1024 32 99746 157366 1744641 1354535 1024 64 129585 206153 1625769 1831694 1024 128 138116 234379 1774189 1701108 1024 256 134736 210611 1878973 2039583 1024 512 155790 223873 2251260 2321847 2048 4 36872 36591 1140336 1211760 2048 8 49683 67727 1369829 1455475 2048 16 86297 101647 1518244 1776319 2048 32 118819 132257 1959469 2128958 2048 64 141701 204654 1906837 2164908 2048 128 152504 233283 1990343 2309242 2048 256 172565 249999 1846580 1967097 2048 512 180219 211852 2149199 2329912 4096 4 33889 37394 1125013 1186552 4096 8 57070 62904 1052958 1131534 4096 16 76553 106075 1540960 1736251 4096 32 113214 139338 1646242 1800484 4096 64 133489 185616 1771703 1813981 4096 128 152676 159297 1875366 2101563 4096 256 152364 256945 1838440 2059243 4096 512 171934 264770 2046000 2351536 8192 4 38972 40444 786321 690026 8192 8 54144 69028 1268083 1379365 8192 16 91760 99840 1598811 1914425 8192 32 125403 128156 1474932 1507812 8192 64 144952 170545 1833907 2060330 8192 128 162021 194834 1552084 1591332 8192 256 146426 226843 1975855 2101666 8192 512 145462 222972 1896253 1627975 16384 4 32101 42771 910266 869175 16384 8 59108 60998 1260195 1477653 16384 16 83102 93523 1455187 1383554 16384 32 107728 139190 1912018 1905814 16384 64 136172 169659 1847108 1764942 16384 128 151663 174608 1759835 1709703 16384 256 149252 168488 1791211 1994134 16384 512 151662 224204 1865004 1995118 32768 4 33411 39520 1138646 1140148 32768 8 56351 62753 1258232 1130711 32768 16 89008 94632 1344490 1396229 32768 32 105121 138114 1659393 1853056 32768 64 146268 169095 1879023 1816010 32768 128 166734 204609 1986777 2005623 32768 256 174912 129726 963396 1099715 32768 512 128069 174465 1993694 2047483 65536 4 36387 40208