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 Jul 25 00:02:36 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 13858 31370 560635 426219 64 8 18053 39046 489126 453587 64 16 22463 93963 1310683 1336792 64 32 25651 137672 1392258 799377 64 64 24971 141594 1421755 1562436 128 4 17839 29390 571257 463696 128 8 26952 34196 859260 677178 128 16 35554 85668 766076 1114289 128 32 38915 101261 947186 1732927 128 64 45421 162599 1967960 881842 128 128 48433 213994 1543594 2248149 256 4 23117 32201 497147 562520 256 8 36882 44198 750970 917096 256 16 52490 70776 921029 1212164 256 32 57093 111838 1036624 1178892 256 64 72253 164942 1479379 1790149 256 128 73625 219408 1924938 1778290 256 256 80989 245662 2310087 1752173 512 4 24186 28519 466661 509388 512 8 44118 48075 843537 652174 512 16 59868 88196 1209982 1064266 512 32 69660 147635 1614885 1640796 512 64 88153 151928 1889050 1506154 512 128 110724 202443 2016784 1493584 512 256 118053 157396 1789859 1766304 512 512 110128 198771 2350044 2160868 1024 4 24990 31839 485537 462480 1024 8 41380 52103 761275 671423 1024 16 64810 89127 1037480 907872 1024 32 89035 125628 1539522 1183902 1024 64 123433 185345 1580306 1964935 1024 128 116708 220777 1954207 1949771 1024 256 141730 223094 1607514 1903117 1024 512 145415 257541 1723636 2142335 2048 4 27797 25722 469734 483346 2048 8 46434 57206 843489 751867 2048 16 69395 75130 1111849 807870 2048 32 85326 134136 1338453 1232272 2048 64 115049 156536 1665101 1728424 2048 128 135970 201495 1620190 1605053 2048 256 134797 163422 1517976 1779262 2048 512 153455 237673 1914061 1959469 4096 4 29175 30460 460119 427022 4096 8 35904 56188 616410 625158 4096 16 62300 75712 926497 940754 4096 32 101431 100048 1248736 1362637 4096 64 129190 125057 1447358 1336870 4096 128 158085 190885 1576596 1553220 4096 256 154952 215600 1640269 1594892 4096 512 155070 219967 1922157 1888353 8192 4 29482 29065 426284 443793 8192 8 48193 51290 716517 742964 8192 16 70291 91315 1040800 1071972 8192 32 97673 115177 1508938 1273441 8192 64 120332 152406 1471773 1629597 8192 128 164557 193380 1681103 1630834 8192 256 159541 224223 1566376 1914105 8192 512 168732 242323 1777000 1774706 16384 4 27055 30576 435410 458794 16384 8 47333 52540 756982 735299 16384 16 75308 80619 1044832 1033627 16384 32 107120 121497 1322245 1175157 16384 64 129463 144426 1392949 1490538 16384 128 147518 162203 1481508 1636458 16384 256 161967 205712 1659617 1681259 16384 512 164595 189259 1804380 1578132 32768 4 27395 28035 445617 434387 32768 8 43037 47101