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 May 8 17:21:09 2024 Auto Mode Machine = Linux oleg439-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-oleg439-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 11882 28545 603489 712397 64 8 18028 43741 955947 1013707 64 16 17842 76831 1421755 1083249 64 32 25692 95230 1049372 1163036 64 64 19912 113705 2561267 1780008 128 4 21657 26556 826202 766076 128 8 26689 65577 1040839 877518 128 16 35486 95958 1749872 1802755 128 32 37593 102225 2132084 1406136 128 64 39999 124772 1455701 2248149 128 128 38106 137630 1705404 1939522 256 4 24734 29843 759469 1280084 256 8 31741 66684 973645 1071806 256 16 43024 69810 1248819 651223 256 32 46252 100709 1354356 1534342 256 64 58662 132026 1652404 1422540 256 128 71133 151405 2061693 1588832 256 256 41045 192330 1855098 2228578 512 4 26480 30872 683518 765371 512 8 37233 54982 986529 857687 512 16 48663 80678 1138158 1316016 512 32 70746 104491 1590957 1391032 512 64 83988 153525 2198475 2073249 512 128 87446 201267 1772135 2416145 512 256 105007 202062 2063289 2205248 512 512 104491 181378 1938502 2065273 1024 4 24559 33094 1147832 869989 1024 8 46303 55288 1061060 1203474 1024 16 61623 89322 1312720 1227903 1024 32 95141 130463 1715375 1304348 1024 64 81161 205041 1793451 1793451 1024 128 100528 201690 992182 1892218 1024 256 136717 215396 1924436 1906496 1024 512 107425 213735 2353657 2360124 2048 4 28342 31532 1157703 740141 2048 8 52223 54838 1032716 1020933 2048 16 70874 74880 1403628 1294482 2048 32 110000 124879 1662201 1488515 2048 64 100170 159179 1836709 1825390 2048 128 122745 217429 2083516 2100841 2048 256 124656 174461 1739978 2064488 2048 512 143216 199086 1853353 1980248 4096 4 32186 32506 739052 842654 4096 8 44765 53808 1499272 1503076 4096 16 73176 84453 1275624 1274867 4096 32 101667 141139 1559140 1505315 4096 64 120001 135512 1538063 1534628 4096 128 150332 170269 1948536 2010798 4096 256 153098 180863 1687642 1903416 4096 512 154741 194325 1641680 1907643 8192 4 27649 31506 995507 992487 8192 8 44284 54335 1114569 1160025 8192 16 70177 82011 1388732 1403193 8192 32 94757 119894 1447103 1557995 8192 64 114504 156770 1457106 1782069 8192 128 131568 168945 1659665 1635803 8192 256 141397 180746 1938511 1816360 8192 512 148397 172608 1966807 1798110 16384 4 30234 29259 920286 951677 16384 8 50593 53255 1233370 1184495 16384 16 77214 88291 1565905 1653945 16384 32 105410 127497 1766848 1437200 16384 64 129404 162835 1574336 1781460 16384 128 148263 191994 1928004 1786693 16384 256 151875 207676 1820248 1870131 16384 512 163123 210528 1979486 1986180 32768 4 32244 34538 971507 1007160 32768 8 56394 68227 1319741 1409734 32768 16 87616 92348 1559559 1666132 32768 32 111180 129087 1643656 1762290 32768 64 132995 174770 1882678 1740575 32768 128 153286 199235 1697032 2035264 32768 256 176708 227300 1893468 1955012 32768 512 159263 227916 2123796 2115590 65536 4