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 12:26:11 2024 Auto Mode Machine = Linux oleg234-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-oleg234-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 24720 31327 1033216 852702 64 8 36592 63432 1070292 1734015 64 16 44599 76568 1879725 2133730 64 32 53829 188269 1562436 1991276 64 64 55601 199312 1768283 2133730 128 4 24413 32248 1281909 889145 128 8 47765 69373 1526043 1133103 128 16 65810 118102 1539168 1622919 128 32 75426 204148 1852520 1939522 128 64 87498 164090 2367096 2714132 128 128 85970 215454 2035099 2784517 256 4 35049 42539 1076103 1347557 256 8 55219 71048 999940 1028679 256 16 72073 126668 1471270 1487577 256 32 109915 151384 2247235 2557711 256 64 114388 198737 2371308 2613746 256 128 111397 275544 2588541 2509882 256 256 101021 281614 2247235 2097948 512 4 30188 38461 860437 884172 512 8 61791 63085 1674052 1361920 512 16 87385 125857 1895721 1992458 512 32 126324 145004 1488408 2207515 512 64 135199 240377 2246778 2073249 512 128 164737 208558 2073249 1970519 512 256 179783 332901 2256220 2584820 512 512 191674 368110 2416145 1983258 1024 4 34789 45175 1110727 1171629 1024 8 64345 79756 1261072 1462462 1024 16 79398 118806 1630707 1709231 1024 32 114082 171149 1678504 2386350 1024 64 128174 195716 1481633 1865101 1024 128 155126 256756 1689730 1687075 1024 256 213236 277743 2216407 2300703 1024 512 196549 324667 1896395 2474336 2048 4 44270 46402 1112425 1230155 2048 8 65469 71645 1311279 1759221 2048 16 102349 103695 1654199 1677130 2048 32 128329 166330 1826943 1943069 2048 64 158489 202895 1770096 2045804 2048 128 164694 234589 1794877 2133718 2048 256 212823 276276 1946592 1976603 2048 512 210703 273575 1976603 2148662 4096 4 32634 41898 1116677 1218360 4096 8 57274 70120 1698151 1578479 4096 16 99807 124973 1309460 1330761 4096 32 146568 158858 1523739 1604424 4096 64 171575 249360 2048928 2053091 4096 128 197932 253293 1908703 2382847 4096 256 178990 255520 2319157 2588965 4096 512 215646 307972 2110340 2170598 8192 4 34736 41381 893718 1034190 8192 8 65363 65137 1457106 1367834 8192 16 92240 99777 1503721 1613602 8192 32 120129 155669 1840883 1995129 8192 64 160750 177151 2006430 1979155 8192 128 190467 231655 1855898 2007368 8192 256 191280 233762 1975400 2133375 8192 512 165511 262699 1877601 1828929 16384 4 34067 39083 1079174 883569 16384 8 57882 66731 1442995 1086477 16384 16 91222 108689 1400700 1573723 16384 32 136622 156664 1649776 1613405 16384 64 161458 195115 1482723 1748951 16384 128 176041 217683 1923201 1756417 16384 256 202672 244067 1872424 1832040 16384 512 201907 246375 1943544 1869673 32768 4 36139 41387 1049418 1074507 32768 8 61848 67867 1409011 1383203 32768 16 92828 106164 1498383 1616571 32768 32 126418 158989 1678688 1664195 32768 64 164867 200266 1846830 1828258 32768 128 188767 241479 2037406 2009817 32768 256 192368 269591 1913903 2027099 32768 512 199161 283612 1816202 1863710 65536 4 35313 37990 992848 981490 65536 8 60509 66927 1299752 1265395 65536 16