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 Jan 15 20:29:11 2025 Auto Mode Machine = Linux oleg344-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-oleg344-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 22963 35592 1045286 598110 64 8 30404 64701 1285575 1460430 64 16 25386 83891 1780008 1879725 64 32 41210 133297 1183548 2067979 64 64 29993 185025 1484662 2467108 128 4 31288 41983 766076 1133103 128 8 35205 64097 1492113 1007629 128 16 55314 70025 1175271 1082825 128 32 66078 154949 1421023 2166499 128 64 51657 146653 1319723 1579934 128 128 79011 157449 1642783 1878447 256 4 32136 46597 1044693 910872 256 8 36230 56400 1523457 924200 256 16 72030 101145 1755037 1911233 256 32 94189 141826 1642294 1354356 256 64 80101 218782 1543163 1802167 256 128 105529 142296 2034350 2205688 256 256 102811 205272 2392442 1817419 512 4 37630 31996 824431 835334 512 8 51669 51885 919375 1312798 512 16 80961 86255 1122687 1570020 512 32 115110 119153 1783912 2169601 512 64 136531 212542 1402845 1931527 512 128 156718 242302 1319250 1718254 512 256 145821 226055 1992458 1458090 512 512 142256 207550 2416145 2427068 1024 4 29355 30783 746327 704230 1024 8 45773 71683 1150600 1161176 1024 16 85424 111729 1219189 1283303 1024 32 97107 123312 1490373 1796451 1024 64 139339 204426 1503942 1486247 1024 128 145209 202289 1771993 1914144 1024 256 142105 217545 1969440 1530197 1024 512 159552 251097 2011877 2110750 2048 4 32510 30921 920402 758506 2048 8 54033 66066 1288849 1336787 2048 16 82577 116929 1166190 1087635 2048 32 134445 177299 1292145 1557330 2048 64 127283 156263 1576480 1663489 2048 128 162218 227935 1800898 1846580 2048 256 180378 187508 1937809 2029850 2048 512 181832 250831 1708146 2008023 4096 4 32499 41538 893723 982222 4096 8 53986 57846 1238206 1289701 4096 16 89301 97894 1414352 1678573 4096 32 123503 157146 1524821 1599346 4096 64 141008 188295 1758825 1819746 4096 128 163565 230395 1685655 1843372 4096 256 164162 216012 1822835 1768603 4096 512 186561 231828 2024780 1634495 8192 4 32111 37879 893928 836699 8192 8 58868 64570 1252414 1247095 8192 16 89367 110307 1431667 1430653 8192 32 129386 157635 1413934 1780407 8192 64 126201 175244 1712352 1792575 8192 128 166226 233996 1837143 1635103 8192 256 183739 240742 1799334 1800843 8192 512 189009 287517 1548586 2031701 16384 4 33841 39280 892567 953671 16384 8 53641 66830 1196790 1208981 16384 16 83444 103081 1528362 1380774 16384 32 123740 131200 1639073 1553445 16384 64 150207 200410 1948836 1979258 16384 128 179674 231963 1749308 1950495 16384 256 180551 230160 1779891 1817648 16384 512 193476 265027 1794157 1858448 32768 4 33751 35737 944404 880833 32768 8 58630 63878 1124154 1198928 32768 16 90935 96708 1308894 1292730 32768 32 115035 147927 1627733 1797273 32768 64 147768 178585 1645073 1752225 32768 128 162628 214835 1942028 1768845 32768 256 195141 236072 1960981 1964962 32768 512 185008 253651 1954317 1896839 65536 4 35694 39797 930922 910412 65536 8 61269 64846 1175471 1197595 65536 16 90527 110825 1337274 1675259 65536 32