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: Thu Jun 20 19:53:38 2024 Auto Mode Machine = Linux oleg306-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-oleg306-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 16811 31466 703068 520419 64 8 21483 56778 718114 1452528 64 16 24805 80785 1734015 1232453 64 32 27258 110339 1304314 1255511 64 64 26699 106319 2133730 1780008 128 4 22807 42327 715059 677178 128 8 32273 53468 1024942 1065630 128 16 35554 74412 1579934 1229084 128 32 41222 117765 2035099 1455701 128 64 42147 108484 1406136 2326073 128 128 46819 204148 2326073 1827299 256 4 23408 29695 1185399 913973 256 8 34129 57669 1543163 1243036 256 16 45763 89922 1312954 1868008 256 32 61834 127875 1463250 1729594 256 64 67993 132156 1579483 2305128 256 128 67796 186032 2266207 1662639 256 256 75404 224547 1826695 1970871 512 4 23855 41045 669247 962649 512 8 43708 74115 1176828 1463057 512 16 56245 93789 1105351 1414860 512 32 87760 127425 2081286 1895721 512 64 78611 142379 1809465 1809465 512 128 97880 171403 1459080 1640796 512 256 99458 217228 2022482 2007358 512 512 96660 147676 2014892 2360376 1024 4 26265 33480 739389 789544 1024 8 40405 51764 1049138 1196434 1024 16 54850 93740 1311117 1134192 1024 32 90211 105426 1470977 1706515 1024 64 90853 146978 1834824 1643185 1024 128 115341 196020 1932227 1726407 1024 256 114298 176581 1896395 1802483 1024 512 131317 206998 1875690 2089189 2048 4 28902 33070 621566 662813 2048 8 48044 53358 1188621 1224892 2048 16 75747 93069 1521471 1353426 2048 32 96681 126922 1501262 2045804 2048 64 120803 110030 1406616 1705094 2048 128 125344 131891 1571864 1592555 2048 256 114624 211351 1963500 1858164 2048 512 147573 223162 1860176 1919192 4096 4 30274 35547 941166 734439 4096 8 50228 57272 944841 1436107 4096 16 68404 98973 1240441 1503734 4096 32 113707 117430 1465508 1582697 4096 64 131988 157024 1636520 1748799 4096 128 106805 150063 1806922 1805213 4096 256 163866 213465 1804265 1953188 4096 512 148670 223580 1814748 1919365 8192 4 31725 33741 761893 880098 8192 8 50994 57571 1189667 1215421 8192 16 76872 87551 1489445 1586409 8192 32 97805 111845 1726810 1764679 8192 64 129495 155116 1686300 1835965 8192 128 127468 182040 1561536 1591922 8192 256 128859 211597 1773149 1776633 8192 512 155970 207539 1917095 2012777 16384 4 31193 33027 753108 702395 16384 8 56712 66546 1222792 1406577 16384 16 81303 90388 1534814 1225693 16384 32 99774 131370 1656457 1590367 16384 64 124388 158604 1647798 1697665 16384 128 152147 180017 1591140 1626196 16384 256 148641 208415 1640873 1965502 16384 512 166485 222550 1925249 1974708 32768 4 33260 35851 791786 955227 32768 8 46959 59249 1190960 1148427 32768 16 78001 86503 1433420 1416811 32768 32 91189 122606 1641673 1383481 32768 64 129865 173439 1752672 1712468 32768 128 154362 195405 1595311 1546607 32768 256 144413 194675 2003664 1605730 32768 512 163865 208597 1771330 1873848 65536 4 30128 35298 975080 1009349 65536 8 53289 60272 1335286 1253274 65536 16