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 Jul 19 05:44:16 2024 Auto Mode Machine = Linux oleg103-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-oleg103-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 23121 31022 621657 987600 64 8 16926 56682 1163036 1163036 64 16 32669 65252 1392258 1780008 64 32 35816 126991 1828508 1780008 64 64 48160 139388 2067979 2467108 128 4 26650 41884 1040839 1032829 128 8 42174 72074 826202 976473 128 16 53114 81531 1102844 1406136 128 32 61421 118076 1827299 1885042 128 64 75521 146814 1852520 2027414 128 128 80000 167520 2377579 2420455 256 4 26558 32121 706964 713067 256 8 50255 75627 1430119 1292410 256 16 70097 85558 1471270 1619994 256 32 69002 119413 1588832 1897721 256 64 80274 164085 1384034 1422540 256 128 93533 203521 1855098 1610276 256 256 101260 253013 2371308 2015259 512 4 35326 34079 908101 1045103 512 8 49742 64273 1122687 1004057 512 16 79776 117968 1684557 1279935 512 32 105007 151842 1347393 1221684 512 64 130539 177715 1917728 1931527 512 128 140931 214388 1924603 2089386 512 256 157685 266675 1904125 1652157 512 512 139930 249162 1999881 1795846 1024 4 27866 37495 751287 854752 1024 8 52205 71017 1313122 1242826 1024 16 72418 109916 1751042 1816203 1024 32 104300 136570 1635675 1630707 1024 64 115693 204426 1490373 1692394 1024 128 157852 231674 1546729 2090206 1024 256 153733 193285 1726407 1865101 1024 512 157974 229544 1961346 1861867 2048 4 28538 24692 932593 957009 2048 8 53017 62769 1095821 1264191 2048 16 64540 96741 1196235 1227167 2048 32 112938 141027 1846580 1427182 2048 64 153017 162991 1654199 1677457 2048 128 159700 204246 1681397 1439379 2048 256 187080 258097 1636862 1756343 2048 512 187890 247136 1709846 2064488 4096 4 32092 39102 844559 782403 4096 8 51009 64504 1254938 1214742 4096 16 83293 90270 1145110 1465383 4096 32 110678 130933 1128932 1369808 4096 64 163585 168262 1422668 1511406 4096 128 173602 189542 1547344 1753261 4096 256 178140 212414 1712369 1867822 4096 512 201464 235932 1828656 1858527 8192 4 32146 39886 1079042 916240 8192 8 55378 71898 1115619 1176509 8192 16 85979 102642 1630912 1527452 8192 32 122991 137088 1713121 1617324 8192 64 143747 175234 1585750 1661993 8192 128 189340 209707 1573550 1608466 8192 256 180520 251541 1729330 1797639 8192 512 200651 281552 1870344 1950506 16384 4 36130 38980 901359 905850 16384 8 58356 70711 1254123 1122889 16384 16 90241 105649 1688198 1673725 16384 32 126311 162028 1809178 1695194 16384 64 153159 199217 1854436 1821068 16384 128 170919 250290 1823097 1788460 16384 256 163237 236684 1619489 1446944 16384 512 151092 249130 1601113 1603729 32768 4 34760 38908 857665 1078639 32768 8 59282 64218 1287486 1239944 32768 16 96559 101116 1391310 1367499 32768 32 121681 143703 1444675 1593535 32768 64 158313 209112 1696508 1804115 32768 128 182167 226368 1780094 1766753 32768 256 191171 270476 1770851 1729274 32768 512 184040 256698 1670547 1650109 65536 4 32752 39382 935586 946422 65536 8 56053 63401 1123905 1132784 65536 16 82960 107890 1562838 1572394 65536 32