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 12:44:39 2024 Auto Mode Machine = Linux oleg208-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-oleg208-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 15756 30976 1163036 799377 64 8 22152 41670 1232453 1648808 64 16 22647 85904 1734015 1933893 64 32 30432 118315 1638743 1879725 64 64 29793 135930 2662899 1933893 128 4 24672 31466 1102844 1130717 128 8 35000 72229 1755594 1598754 128 16 44443 93845 1487977 1618028 128 32 57866 142074 1852520 2453642 128 64 54214 163889 2326073 2673584 128 128 57834 207783 2608629 2464907 256 4 27101 42078 748353 1195962 256 8 38858 63084 1015065 1430119 256 16 57026 106176 1911233 1610276 256 32 58394 93909 1673001 1881098 256 64 64273 147111 1180188 1686137 256 128 88733 191780 1802167 2000242 256 256 86190 201120 2228578 2097948 512 4 28250 28675 693899 729492 512 8 38143 53035 1255246 872320 512 16 63030 102257 1741948 1712772 512 32 85106 138343 1336492 1471074 512 64 73594 169149 1999881 1625889 512 128 95614 153701 1624659 1985091 512 256 104914 183580 1560891 1729323 512 512 113372 271462 2014892 2143612 1024 4 29252 28723 893703 1077836 1024 8 39308 64879 1103308 1017811 1024 16 61210 80308 1410588 1482144 1024 32 117323 146958 1769073 1653942 1024 64 105884 206958 2120127 2216407 1024 128 131821 175013 1607514 1732676 1024 256 121026 230728 1961346 2007176 1024 512 141632 202814 1965834 1803239 2048 4 27369 33142 755703 981280 2048 8 49156 64473 1119675 1621413 2048 16 73488 96449 1067230 1589020 2048 32 98694 135021 1507057 1618968 2048 64 95370 145619 1453505 1860176 2048 128 132495 173398 1638423 2176427 2048 256 141818 190545 1697009 1877250 2048 512 133221 186791 1892553 1676148 4096 4 32539 36061 784225 824456 4096 8 48622 60634 1348307 1395624 4096 16 77200 71278 1358972 1494446 4096 32 97714 139295 1547344 1791845 4096 64 116390 163232 1553360 1581385 4096 128 112850 150300 1612557 1644981 4096 256 148853 214740 1384824 1591936 4096 512 139542 191115 1680050 1817243 8192 4 29794 35214 817139 797268 8192 8 45797 53015 1131043 1239537 8192 16 78128 85989 1321945 1127295 8192 32 98582 116302 1602464 1351372 8192 64 127062 184281 1597176 1486739 8192 128 140615 179373 1464933 1389181 8192 256 162726 187220 1578683 1514525 8192 512 155031 198463 1891867 1771960 16384 4 30588 29769 759962 805226 16384 8 46974 58403 1095920 1025988 16384 16 75901 85681 1383888 1315562 16384 32 98759 120959 1624581 1555485 16384 64 128138 145113 1499122 1712557 16384 128 148998 170171 1768167 1643974 16384 256 165009 197647 1541873 1590073 16384 512 162073 188140 1655459 1719930 32768 4 29508 31686 898071 820062 32768 8 48059 58284 1296204 1280851 32768 16 76125 83285 1336333 1417600 32768 32 98899 118723 1544070 1509210 32768 64 126165 147067 1631868 1596015 32768 128 133936 153485 1813973 1699235 32768 256 149189 177396 1647873 1683685 32768 512 146547 186826 1875229 1795817 65536 4