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: Sun Dec 8 02:20:50 2024 Auto Mode Machine = Linux oleg248-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-oleg248-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 19294 37294 542506 555990 64 8 25670 54275 831569 877797 64 16 40054 107382 1255511 1304314 64 32 42274 128758 955947 1690338 64 64 45460 214781 1363961 1336792 128 4 29064 37559 373396 568836 128 8 38833 70438 659704 761728 128 16 55434 114696 786271 1294270 128 32 66909 163043 947186 934004 128 64 75874 219148 1543594 2027414 128 128 87971 209159 1291158 2238774 256 4 31318 36188 445202 535583 256 8 35894 71170 864661 484801 256 16 62239 117582 1084800 1012194 256 32 92382 143494 1163562 1430119 256 64 83327 174626 1967260 1938842 256 128 109679 246169 1894373 2061693 256 256 94679 312151 2247235 1790149 512 4 30858 39875 514637 459177 512 8 46301 60533 747521 899731 512 16 83781 109914 1213400 1273861 512 32 112872 174269 1599251 1718254 512 64 137484 200067 1778004 1783912 512 128 149184 250616 1590957 1652157 512 256 164371 197910 2169601 2294796 512 512 168816 272911 1772135 1655979 1024 4 32869 39903 542101 546099 1024 8 58816 72779 851195 885048 1024 16 84844 117282 1160862 1273788 1024 32 119123 178489 1359680 1643814 1024 64 149667 178586 1683768 1268896 1024 128 175277 225046 1825466 2119081 1024 256 200233 298286 2111788 2188177 1024 512 205002 331944 2085132 2188177 2048 4 34500 30560 534173 464501 2048 8 39559 58967 832535 808555 2048 16 97185 118000 1193576 1272054 2048 32 131256 149653 1512630 1389326 2048 64 148653 200195 1701042 1889224 2048 128 210807 276090 1867050 2062010 2048 256 147411 307180 1848567 2188069 2048 512 160323 334905 1992651 2048243 4096 4 33051 38691 428855 459652 4096 8 60476 59862 683346 838295 4096 16 86307 91830 1042227 1097838 4096 32 124858 164226 1355434 1569969 4096 64 169158 181295 1601284 1725439 4096 128 192136 234419 1600091 1723881 4096 256 210579 257836 1844955 1897111 4096 512 241213 314253 1821289 1868431 8192 4 31043 37300 484904 531121 8192 8 60598 66011 753440 835235 8192 16 81920 94739 774220 911016 8192 32 130572 104315 1034844 1073211 8192 64 158052 184783 1490027 1746293 8192 128 179146 248922 1495735 1338579 8192 256 218034 255929 1840489 1459768 8192 512 213428 237774 1960298 1518474 16384 4 29830 32544 493792 421445 16384 8 45218 44844 468531 559906 16384 16 79426 85706 838913 941558 16384 32 105752 124556 1163971 1239890 16384 64 152707 163872 1599995 1462340 16384 128 172301 196380 1508103 1452480 16384 256 177725 211772 1701701 1488633 16384 512 198435 233154 1706688 1684556 32768 4 28465 31513 441974 411544 32768 8 42728 44612 525567 521252 32768 16 73565 77254 802765 902026 32768 32 105378 120751 1180617 1244322 32768 64 132640 161536 1177138 1178026 32768 128 153974 233624 1374612 1847029 32768 256 207508 239117 1863179 1584149 32768 512 210267 253777 1872674 1797955 65536 4