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 Apr 18 06:55:19 2024 Auto Mode Machine = Linux oleg343-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-oleg343-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 16863 35008 552557 363337 64 8 22630 59207 520419 926260 64 16 24971 58231 789967 831569 64 32 25109 129254 1562436 1780008 64 64 28445 147832 1255511 1066042 128 4 21948 30918 566435 334331 128 8 23443 50653 901083 814915 128 16 33429 94472 1319723 1102844 128 32 40137 142868 1598754 1142750 128 64 44260 145264 1266785 1436229 128 128 34916 127226 2202044 1663139 256 4 21449 28129 526910 588736 256 8 31161 43455 522297 850282 256 16 39031 57629 737558 790209 256 32 57272 112719 895676 1447470 256 64 59369 151043 1195962 1280084 256 128 70024 165680 1497953 2118645 256 256 81117 208097 2285501 2210228 512 4 23042 31503 423499 438368 512 8 35415 58167 817837 735740 512 16 50738 93142 779258 882718 512 32 62516 136792 1017858 1164070 512 64 88794 109914 1848401 2055390 512 128 98518 162900 1977778 2198475 512 256 106777 231364 2198475 2246778 512 512 97357 254356 1916017 1667552 1024 4 30939 29484 467362 439481 1024 8 46372 44107 806899 817340 1024 16 63832 90388 867003 1101046 1024 32 81232 119821 1130014 1262555 1024 64 112972 158586 1617199 1202127 1024 128 121715 125860 1622698 1508167 1024 256 127112 168062 2011877 2077065 1024 512 130412 217545 1796451 2124322 2048 4 25611 27873 481881 505682 2048 8 48240 42325 478846 489599 2048 16 71388 84019 939015 904984 2048 32 109477 118376 1485169 1579088 2048 64 128336 143436 1376414 1710867 2048 128 147148 174192 1572727 1721151 2048 256 161925 243549 1751687 1796378 2048 512 153523 211873 1950570 2197023 4096 4 30601 31187 490547 457351 4096 8 42665 54508 611430 678166 4096 16 76294 92778 956573 834549 4096 32 81585 98627 1106180 1187947 4096 64 117853 171237 1461891 1446871 4096 128 118852 114943 1429177 1175672 4096 256 146196 211471 1701683 1787929 4096 512 117159 201417 1565676 1675299 8192 4 26758 32990 503197 402910 8192 8 50187 52375 821319 672680 8192 16 71147 87224 1083192 1083431 8192 32 100573 125769 1161005 1142703 8192 64 125330 148726 1168626 1249362 8192 128 140049 201778 1739310 1853795 8192 256 164689 178602 1662315 1858005 8192 512 168317 222054 1808330 1933058 16384 4 29682 32605 506068 492662 16384 8 52179 48125 723646 778851 16384 16 77783 90204 1003983 913023 16384 32 100671 118139 1226064 1389653 16384 64 131504 133889 1163301 1173973 16384 128 140810 172446 1721567 1765713 16384 256 156955 202091 1734297 1876104 16384 512 157526 213255 1754354 1591472 32768 4 27357 30822 504783 510080 32768 8 48772 55798 681616 863245 32768 16 73970 92014 1053294 1077464 32768 32 112931 124990 1265076 1016373 32768 64 137582 167785 1466863 1413329 32768 128 152342 197754 1724890 1766186 32768 256 167029 197874 1742428 1690540 32768 512 166939 214836 1606274 1786596 65536 4