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 Jun 14 16:57:42 2024 Auto Mode Machine = Linux oleg245-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-oleg245-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 9800 28206 673098 666414 64 8 14094 48447 771797 929467 64 16 16431 52155 1421755 952555 64 32 14072 88046 1492919 1421755 64 64 15169 106826 1734015 1828508 128 4 13555 31536 743788 726674 128 8 20748 48450 1406136 1057236 128 16 29814 70364 1306873 1254941 128 32 31326 96615 1467639 1363288 128 64 29498 125618 1603529 1243315 128 128 36664 87726 1642783 2035099 256 4 21654 26454 764334 644965 256 8 24613 47487 1143731 1062263 256 16 43214 70290 1237306 1175022 256 32 44654 103475 1422540 924200 256 64 49117 87883 924200 1437779 256 128 27771 136890 1683493 1514860 256 256 46833 193195 1952947 2118645 512 4 23694 28674 795127 820337 512 8 33724 55742 1140576 1032044 512 16 50318 67128 1115688 1094088 512 32 55760 111744 861818 1225169 512 64 82050 133129 1282994 1599251 512 128 71182 171403 1759070 1795846 512 256 64769 127425 1677976 1924603 512 512 75773 164737 1910902 1741948 1024 4 24973 29371 770562 650574 1024 8 35160 46387 1203137 1172909 1024 16 54002 74564 1186518 1197769 1024 32 69466 103195 1426043 1307923 1024 64 66463 140121 1590254 1528019 1024 128 73536 152153 1582636 1560781 1024 256 70650 107832 1556257 1693061 1024 512 78919 224857 2333199 1664841 2048 4 24214 27685 676596 706943 2048 8 42705 50440 1000480 1061690 2048 16 60500 83934 1251847 1297807 2048 32 85916 109788 1324012 1351084 2048 64 99854 107495 1559876 915497 2048 128 117775 166785 1449580 1651337 2048 256 118737 175836 1798259 1853353 2048 512 118711 185877 1748834 1675821 4096 4 26973 29440 769645 902171 4096 8 43714 51371 1134673 1130268 4096 16 72033 79791 1341254 1113348 4096 32