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 12:26:45 2024 Auto Mode Machine = Linux oleg346-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-oleg346-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 18099 32704 1105556 1163036 64 8 21599 58497 789967 666414 64 16 24663 89903 1734015 1690338 64 32 22159 85222 1484662 1484662 64 64 30006 192178 2203800 1690338 128 4 18708 33126 601330 624409 128 8 32192 52053 1278855 753179 128 16 37405 109502 1778862 1133103 128 32 42313 92551 1266785 2035099 128 64 40212 178789 2132084 1306873 128 128 46729 207783 2286447 2238774 256 4 23501 27744 686182 755195 256 8 33182 58987 820398 868157 256 16 44615 87368 1696795 1552085 256 32 67941 145793 1523457 1235882 256 64 64112 165272 1185399 1924938 256 128 68213 170657 2285501 2034350 256 256 68010 206615 1481420 2065659 512 4 27156 32770 1062161 670919 512 8 38306 50738 1410215 1028091 512 16 49516 82128 1036527 1358474 512 32 64152 122191 1387437 1387437 512 64 77954 123697 1791352 1797349 512 128 100350 200384 1854787 1645826 512 256 107471 219001 1931527 1875849 512 512 121417 225746 1672748 1823291 1024 4 27228 32452 1001903 888894 1024 8 46685 51811 1452570 1356245 1024 16 63104 78294 1153071 1659694 1024 32 80566 120554 1892218 1383774 1024 64 103969 161922 1640674 1920993 1024 128 140368 165459 2027069 2295784 1024 256 134420 214311 2150918 1885572 1024 512 141749 211618 1841906 2077065 2048 4 29277 36045 981840 906990 2048 8 56392 60148 1112425 1105126 2048 16 74407 94889 1605053 1473451 2048 32 92384 126772 1744217 1703741 2048 64 129310 170924 1779262 1800898 2048 128 130896 211967 1640927 1892971 2048 256 142706 232174 1770096 1880538 2048 512 145619 203058 1952344 1901771 4096 4 29291 35364 843315 942302 4096 8 47238 56231 1306175 1306075 4096 16 74407 88869 1266876 1717333 4096 32 98225 134670 1494446 1627373 4096 64 123076 165856 1691796 1593856 4096 128 142241 186742 1538752 1617110 4096 256 131064 183708 1852515 1752724 4096 512 154036 211003 1773899 1784772 8192 4 30045 33648 951139 838066 8192 8 49845 61235 1133543 1146210 8192 16 71365 95325 1305917 1480333 8192 32 107082 121665 1260685 1516731 8192 64 125802 160450 1626049 1765133 8192 128 132537 173816 1556795 1623744 8192 256 146079 171549 1576655 1627975 8192 512 119959 210159 1838421 1758988 16384 4 30085 30529 811972 864724 16384 8 55316 56181 986699 1150255 16384 16 69564 80408 1460879 1392130 16384 32 101893 133041 1657136 1492415 16384 64 118065 163700 1704529 1614353 16384 128 155389 189316 1852136 1671323 16384 256 159529 190919 1911752 1876975 16384 512 162644 184029 1884077 1969953 32768 4 30789 34330 800195 919571 32768 8 50074 56607 1220542 1144334 32768 16 76800 89794 1533937 1450806 32768 32 100050 134300 1531493 1523953 32768 64 131600 156116 1573557 1709954 32768 128 148650 188381 1789154 1686123 32768 256 151973 188975 1833991 1858644 32768 512 156617 196358 1807080 1868600 65536 4 29588 34077 873580 814455 65536 8