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 20:30:31 2025 Auto Mode Machine = Linux oleg457-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-oleg457-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 15602 24474 1163036 703068 64 8 23155 53379 1336792 998622 64 16 21895 101265 1734015 1183548 64 32 26723 93963 1879725 1392258 64 64 27515 184516 2278628 2444640 128 4 17479 37747 1152564 887675 128 8 27784 50898 1048974 831319 128 16 31488 62442 1827299 1967960 128 32 44046 117533 1684006 1997245 128 64 47616 113196 1281909 1598754 128 128 43927 185204 1622919 1802755 256 4 23673 31829 1003679 985259 256 8 35839 72277 1610276 1036624 256 16 39719 81369 1076103 1213534 256 32 49040 118674 1911233 1405778 256 64 56501 178249 1696795 1376935 256 128 77955 212084 1422540 1842366 256 256 63982 193508 2330140 2285501 512 4 29074 33028 637650 1068503 512 8 41788 53428 1258188 1053821 512 16 46410 96438 1312798 1484293 512 32 88611 91577 1273861 1528669 512 64 88549 116207 1707325 1712772 512 128 98198 185115 1467055 2275345 512 256 100453 205131 2009236 2081286 512 512 103664 153339 2207515 1791352 1024 4 28073 35037 966071 630888 1024 8 56288 60360 1312720 1095150 1024 16 74418 87806 1729884 1751042 1024 32 96384 119851 1783768 2115949 1024 64 120999 177128 1464956 1587315 1024 128 132471 197908 1643814 1874871 1024 256 127202 202814 2142335 1687075 1024 512 143515 233742 1701108 1551198 2048 4 31028 35821 1011317 813686 2048 8 45478 62912 1018874 1106407 2048 16 79704 87304 1264191 1135813 2048 32 101820 125130 1682715 1555075 2048 64 119829 115153 1351722 1460673 2048 128 119520 190439 1762469 1872340 2048 256 129252 167524 1517976 1777789 2048 512 164868 219294 2133188 1958129 4096 4 34766 32502 937519 919407 4096 8 46385 48720 1132429 1323890 4096 16 78097 92831 1455575 1145415 4096 32 115432 116611 1490427 1684167 4096 64 120708 153386 1738535 1372215 4096 128 138341 163090 1945888 2025735 4096 256 166633 190549 1751295 1748977 4096 512 154380 241084 1795779 2030764 8192 4 30820 34987 812290 828488 8192 8 51674 60409 1199217 999038 8192 16 59492 82824 1558278 1624819 8192 32 95474 125895 1620604 1622211 8192 64 113443 165528 1569381 1541915 8192 128 139871 192544 1732644 1684151 8192 256 148236 201050 1651290 1851697 8192 512 163902 181745 1745584 2008424 16384 4 30163 34372 669579 671995 16384 8 53002 57394 1272634 1276511 16384 16 74231 97958 1452480 1313977 16384 32 93327 117772 1402386 1234478 16384 64 126921 147322 1556365 1741682 16384 128 141797 172708 1939868 1888634 16384 256 152744 197185 1906448 1752877 16384 512 143955 212500 1918262 1916016 32768 4 30753 32488 821851 1045196 32768 8 51591 59338 1299231 1267526 32768 16 79779 86402 1402441 1373513 32768 32 100331 124196 1455384 1450944 32768 64 125430 160403 1657212 1777952 32768 128 138676 179235 1684903 1881596 32768 256 159618 192591 1859398 1799155 32768 512 144572 216808 1893338 1935383 65536 4 32402 35524 960558 989866 65536 8