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 May 31 07:02:06 2024 Auto Mode Machine = Linux oleg106-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-oleg106-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 17049 31873 1049372 1101022 64 8 15172 48447 1105556 852702 64 16 23103 91062 1599680 1143223 64 32 29976 137885 2133730 2067979 64 64 27849 162805 1947927 2444640 128 4 20894 35775 1102844 1217930 128 8 31831 69230 1123617 1000121 128 16 32844 111899 1455701 1618028 128 32 44721 154237 1349580 2166499 128 64 45036 156303 1471662 2090572 128 128 48985 148478 1618028 2202044 256 4 25915 41856 1004618 1053922 256 8 41577 61702 1610276 1293967 256 16 49336 107247 1752173 1897721 256 32 59481 129948 1325925 1430119 256 64 56902 149259 2097948 1718521 256 128 62605 171584 2114473 1881098 256 256 67796 202218 2392442 2350543 512 4 25193 36086 636894 894857 512 8 39659 55089 930933 1533034 512 16 51905 96586 1610042 1764853 512 32 66494 134775 1933266 1614885 512 64 81762 141787 2107844 1895721 512 128 103749 227661 2225819 2039772 512 256 90845 219291 1667552 1684557 512 512 104298 200703 2265742 2265742 1024 4 30605 42070 816563 815943 1024 8 49684 61925 1402298 1171629 1024 16 64208 89746 1436056 1523683 1024 32 90626 125831 1796451 1333507 1024 64 106025 179519 1828574 2069060 1024 128 123373 193164 2052253 1992279 1024 256 132402 232728 1928757 1577984 1024 512 125934 234867 2132761 1980337 2048 4 30972 31762 887682 1181103 2048 8 49366 63194 1416357 1404776 2048 16 76304 113631 1193410 1954565 2048 32 101733 97269 1670606 1854954 2048 64 123753 153914 1899669 1903457 2048 128 141985 172989 1943069 2128958 2048 256 138933 240292 1761024 1976603 2048 512 150698 214765 2096227 2311106 4096 4 32164 33636 1039326 1156052 4096 8 47142 55973 1160660 1026349 4096 16 89408 98147 1433112 1651623 4096 32 110208 143698 1769331 1869448 4096 64 147411 149080 1575295 1780148 4096 128 140979 180201 1770061 1652259 4096 256 151451 161545 1640426 1923018 4096 512 183381 183029 1716646 1827683 8192 4 31037 33351 665476 779736 8192 8 54262 63041 1299300 1115800 8192 16 78205 79609 1325975 1333591 8192 32 93757 120957 1445094 1643628 8192 64 111624 138932 1597844 1649546 8192 128 127094 144727 1485646 1472593 8192 256 136222 181983 1611937 1559764 8192 512 143868 186270 1650973 1611332 16384 4 30479 31841 838739 844273 16384 8 50409 55883 1446944 1492447 16384 16 77381 93205 1338444 1519542 16384 32 105535 113322 1714181 1786322 16384 64 127363 168821 1600777 1571743 16384 128 142839 173942 1807988 1673398 16384 256 136566 200589 1686789 1815391 16384 512 169965 190135 1793736 1506979 32768 4 30425 35567 941770 899847 32768 8 53025 57712 1146291 1049682 32768 16 79526 95705 1591063 1511650 32768 32 107017 121274 1532210 1346149 32768 64 129297 161581 1719753 1726711 32768 128 148231 172628 1495091 1686888 32768 256 152081 199258 1634955 1824593 32768 512 156594 197367 1674557 1887980 65536 4 32480 35147 911692 974295 65536 8 50897 58173 1335643 1339523 65536 16 77016 88393 1274850 1504912 65536 32