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 8 12:42:09 2025 Auto Mode Machine = Linux oleg254-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-oleg254-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 19961 34040 592827 760859 64 8 27549 50393 952555 877797 64 16 33614 52236 1124074 1304314 64 32 37512 79588 1183548 2006158 64 64 50431 96082 2006158 2278628 128 4 21118 34104 637004 650117 128 8 38682 50133 1254941 814915 128 16 54489 75831 1217930 1133103 128 32 68664 105708 1436229 1133103 128 64 61952 108200 1319723 1306873 128 128 62471 167729 2326073 1642783 256 4 26130 27170 766517 615393 256 8 47993 53045 1023775 852984 256 16 47015 100993 1610276 1384034 256 32 64112 123322 1235882 913973 256 64 92685 211541 2015259 1407621 256 128 95065 165043 1471270 1610276 256 256 113830 271503 2266207 1842366 512 4 27729 34254 646286 800163 512 8 42296 52669 960496 896725 512 16 64048 99883 1166599 966113 512 32 99301 134001 1406520 1347393 512 64 109165 180980 1815584 1895721 512 128 128385 217119 1289930 1500891 512 256 121068 194012 1889050 1753325 512 512 135875 253216 1947291 2022482 1024 4 26873 35117 650574 886509 1024 8 49200 61559 903860 883591 1024 16 78478 84782 1356245 1178380 1024 32 98103 136279 1418039 1523683 1024 64 117687 165881 1161176 1186518 1024 128 169622 202213 1541732 1678504 1024 256 130527 249087 1575091 1657133 1024 512 161157 263304 1988589 1910737 2048 4 29177 30638 785846 994227 2048 8 55922 50802 969758 1161617 2048 16 77602 94395 1248753 1201086 2048 32 94438 142034 1389326 1443248 2048 64 131433 174862 1400881 1586379 2048 128 127927 216192 1866644 1715309 2048 256 163475 203216 1734007 1570427 2048 512 156682 227200 1787035 1833573 4096 4 29296 29145 868380 836092 4096 8 49556 62329 1010592 936242 4096 16 78214 76362 1128635 1253290 4096 32 104195 127489 1329937 1162624 4096 64 131412 139943 1389416 1326855 4096 128 133603 175281 1640426 1931015 4096 256 168759 218699 1762434 1680707 4096 512 152778 223310 1844955 1624143 8192 4 29351 32029 731886 707910 8192 8 47869 51239 1172975 1115619 8192 16 82293 90945 1074924 1147818 8192 32 108497 125371 1428215 1452732 8192 64 128817 165121 1524064 1617704 8192 128 159681 178001 1446859 1634169 8192 256 168150 206217 1616107 1538945 8192 512 162662 226989 1682172 1678311 16384 4 28185 32265 936975 900863 16384 8 52365 58560 1229025 1127606 16384 16 77608 88916 1100553 1074988 16384 32 110524 138986 1473092 1552989 16384 64 140263 162172 1522100 1467712 16384 128 160595 215650 1752117 1665530 16384 256 174805 220870 1646298 1623008 16384 512 170912 209817 1527819 1719370 32768 4 29749 30406 741171 695415 32768 8 47527 53718 989197 1041639 32768 16 72666 82550 1253698 1160999 32768 32 101166 121696 1404533 1466315 32768 64 131194 147693 1503810 1391606 32768 128 149367 188312 1537317 1640772 32768 256 160279 198809 1518716 1518011 32768 512 159197 203188 1719280 1705413 65536 4 29048 32382 728914 815052 65536 8 53813 59462 996079 1122098 65536 16