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: Sat May 11 17:01:16 2024 Auto Mode Machine = Linux oleg223-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-oleg223-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 16052 31265 695778 1210227 64 8 20611 50073 1336792 1553394 64 16 22865 89484 1734015 1232453 64 32 27623 75280 1879725 1879725 64 64 30387 104579 1780008 2467108 128 4 21677 41130 1206978 1183041 128 8 28757 58772 935631 1406136 128 16 35388 89825 1727352 1278855 128 32 40905 146294 1905110 1504659 128 64 48595 190190 2202044 1939522 128 128 46596 205162 1622919 2326073 256 4 26711 36802 870974 1003679 256 8 37814 57181 1453348 1540948 256 16 50874 89726 1132871 1243036 256 32 76740 97854 1405778 2266207 256 64 73268 156846 1629830 2205688 256 128 69983 216969 1570244 2228578 256 256 76603 216227 1884399 1463250 512 4 23375 37630 843537 672811 512 8 49738 49108 875164 1340664 512 16 52696 89699 1344020 1977778 512 32 59451 103161 1414860 1479181 512 64 93568 134244 1467055 1902438 512 128 103709 192412 1438555 1488408 512 256 101306 212185 2207515 2381315 512 512 91088 243788 2317080 2091421 1024 4 24094 41519 983774 1200447 1024 8 55220 73437 1284454 1190795 1024 16 66998 90189 1076755 1180972 1024 32 95889 133717 1841116 1410588 1024 64 95158 175556 1577984 2142335 1024 128 122545 183413 1741810 1563622 1024 256 150696 198411 1828574 2155236 1024 512 123596 217821 2069060 1878973 2048 4 32490 32783 767931 1109408 2048 8 55077 53893 1264935 1345582 2048 16 75890 96321 1545840 1630647 2048 32 101815 120435 1711208 1467159 2048 64 116185 181418 1708146 1947033 2048 128 130494 195253 1774851 1822292 2048 256 142034 203154 1731211 1790015 2048 512 143385 240662 1974785 2135840 4096 4 31897 33000 764609 764882 4096 8 54568 60323 1222000 1243043 4096 16 77935 87078 1644981 1344298 4096 32 106467 124828 1498095 1683507 4096 64 125329 151171 1269216 1364368 4096 128 142004 164749 1757206 2034853 4096 256 140765 183874 1763338 1977696 4096 512 147253 229028 1672526 1891888 8192 4 30717 34307 1046888 911331 8192 8 55096 60369 1223253 1377264 8192 16 76683 94425 1534615 1621598 8192 32 115893 138790 1369633 1660949 8192 64 124942 165545 1404226 1764770 8192 128 145575 166422 1580280 1801598 8192 256 154744 198252 1811190 1772051 8192 512 154559 208825 1580862 1866889 16384 4 26216 37164 884047 917718 16384 8 50711 66368 1430529 1261259 16384 16 77462 89431 1503813 1335738 16384 32 108886 127757 1595018 1735217 16384 64 134662 152502 1774880 1783216 16384 128 144499 194908 1813188 1658296 16384 256 150842 207784 1616746 1697833 16384 512 166882 200678 1837772 1760421 32768 4 30739 34804 704898 990117 32768 8 55457 66980 1372361 1235319 32768 16 83034 98413 1518162 1538832 32768 32 104719 133483 1712105 1750796 32768 64 131490 160122 1724349 1703110 32768 128 147059 174195 1791090 1909781 32768 256 155972 187906 1643656 1557350 32768 512 157328 162859 1704969 1715782 65536 4 30483 37300 833261 835960 65536 8 56280 57978 1250020 1311091 65536 16 80726 95085 1363861 1290610 65536 32