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 4 20:12:02 2024 Auto Mode Machine = Linux oleg141-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-oleg141-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 20873 38370 560635 347801 64 8 33006 69636 901377 704914 64 16 32569 104579 1143223 769584 64 32 38530 122416 1143223 1679761 64 64 53732 169809 2067979 1933893 128 4 29350 42035 545154 542400 128 8 42161 71384 816154 940549 128 16 46852 72847 816154 1332828 128 32 51633 99075 876086 1684006 128 64 66668 137349 1175271 1121270 128 128 69490 168202 1539168 1359835 256 4 20949 41277 556398 533455 256 8 40698 52309 709299 775933 256 16 75250 117970 1286217 1254656 256 32 88034 114804 1422540 1802167 256 64 105436 223985 1266495 1740810 256 128 91986 272952 2015259 2205688 256 256 139886 323630 2305128 2330140 512 4 26083 43269 540681 321826 512 8 43552 43663 530006 547575 512 16 74462 72438 766464 820650 512 32 107450 119398 1038532 1688531 512 64 128801 198844 1585086 1821745 512 128 142455 275714 1766304 1924603 512 256 167984 289581 2114069 2124526 512 512 164421 315074 2124526 2381315 1024 4 29887 38260 556212 551145 1024 8 52450 64350 897626 906339 1024 16 63190 81854 1262555 1374474 1024 32 120341 111936 997019 1105865 1024 64 162640 244688 900637 1008017 1024 128 179085 261492 1741810 1896395 1024 256 172656 307953 1831694 1981251 1024 512 144427 285326 1907343 2124322 2048 4 34586 34135 483237 402041 2048 8 35180 35196 399294 298720 2048 16 73454 102042 1206145 1310279 2048 32 97989 144366 1181753 1415191 2048 64 153928 216306 1688337 1924783 2048 128 193119 244889 1294482 1351935 2048 256 208976 188840 1433374 1536164 2048 512 170510 280132 1765730 2033695 4096 4 30651 40123 528793 548548 4096 8 46797 70357 798439 859603 4096 16 97045 98214 1162938 1273639 4096 32 134546 159551 1522119 1605024 4096 64 152612 217977 1498226 1684167 4096 128 177500 228940 1763338 1452498 4096 256 198247 262718 1815707 2056039 4096 512 230863 280182 1804265 1920223 8192 4 32521 40384 500398 420144 8192 8 60373 53575 528312 513991 8192 16 82951 118841 1089374 944109 8192 32 93344 146280 1174458 1278415 8192 64 143047 210289 1148471 1156239 8192 128 180499 285964 1832636 1913146 8192 256 186088 189594 1474426 1469947 8192 512 218059 313281 1778932 1697128 16384 4 32003 37062 483361 391334 16384 8 51445 64459 732119 732243 16384 16 80231 104455 712349 930757 16384 32 123698 145630 1358527 1226349 16384 64 126497 181457 1519710 1534814 16384 128 141204 191865 1391792 1590662 16384 256 155482 250301 1830625 1860158 16384 512 131800 301138 1303114 1351473 32768 4 29931 35795 491288 505305 32768 8 52142 65135 817973 643155 32768 16 83845 93455 918999 1044037 32768 32 113127 145884 1290133 1220629 32768 64 152359 198205 1452677 1467254 32768 128 204525 246949 1521978 1496116 32768 256 206663 256915 1821642 1881158 32768 512 198285 276187 1912465 1823189 65536 4 33263 36407 505176 518341 65536 8