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: Tue Aug 27 11:50:12 2024 Auto Mode Machine = Linux oleg426-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-oleg426-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 12861 27433 316623 349613 64 8 9352 29993 561808 581273 64 16 13361 61373 763021 576282 64 32 20427 83215 1083249 1255511 64 64 24941 96810 983980 1363961 128 4 17350 26058 340480 392505 128 8 21842 43154 677178 372102 128 16 27972 91744 1102844 193410 128 32 36697 95447 1114289 1424795 128 64 34087 134023 1487977 1281909 128 128 43927 133059 1827299 1827299 256 4 15729 30317 355096 347848 256 8 26758 38798 395804 661657 256 16 35049 76299 759469 891956 256 32 51231 121206 1430119 1715775 256 64 45199 142788 1213534 1479379 256 128 53692 154789 2165650 1481420 256 256 53045 176549 1512726 1924938 512 4 25466 27151 348798 342675 512 8 34062 48237 553502 718268 512 16 57118 77142 898225 841884 512 32 71528 100079 1125040 1179413 512 64 73458 124183 1426135 1414860 512 128 78987 161212 1506154 1718254 512 256 89400 188726 2141475 1514652 512 512 102418 170831 1889050 2327124 1024 4 24984 29455 477388 373871 1024 8 41465 48349 638390 538364 1024 16 54505 72986 894448 1117955 1024 32 71259 107358 1261072 994250 1024 64 98871 130562 1383774 1604512 1024 128 120968 168616 1314729 854073 1024 256 111561 164445 1883092 775712 1024 512 126263 191621 1799462 2160657 2048 4 25176 29432 382372 367031 2048 8 43104 46803 668643 743086 2048 16 63174 75566 892386 903746 2048 32 87237 114419 1142308 700429 2048 64 97896 145257 809469 1277730 2048 128 116185 177732 1507057 1657071 2048 256 129749 181207 1818820 1948358 2048 512 124839 193812 1676148 1706788 4096 4 25404 26906 380913 436482 4096 8 45683 48277 770093 577964 4096 16 65585 71142 1149939 1040648 4096 32 93961 112738 1011127 1393586 4096 64 121759 165749 1463884 1299457 4096 128 134803 174752 1506503 1855116 4096 256 147885 153235 1897949 1849922 4096 512 155499 214663 2116580 2018594 8192 4 27108 30090 357557 441853 8192 8 46564 50448 618172 717220 8192 16 68730 76746 934099 1013089 8192 32 86977 105117 1205613 1169302 8192 64 119743 146894 1385204 1405892 8192 128 133313 170301 1593768 1560968 8192 256 129251 167889 1637050 1699226 8192 512 148177 186520 1721015 1777460 16384 4 25988 26944 422027 417659 16384 8