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: Fri May 10 05:27:02 2024 Auto Mode Machine = Linux oleg247-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-oleg247-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 12497 21963 399573 336889 64 8 16728 35873 557144 621657 64 16 14956 61598 789967 703068 64 32 15470 85006 1163036 1049372 64 64 20291 119634 1690338 1204796 128 4 15316 19965 392792 361576 128 8 19124 42511 498114 598647 128 16 23668 71785 852438 859260 128 32 19656 88333 1114289 1142750 128 64 21776 117739 1377278 1504659 128 128 31031 145147 1526043 1749872 256 4 19155 24490 197204 234195 256 8 31797 45985 534251 725106 256 16 37231 77527 807442 850956 256 32 44801 97120 904732 1137672 256 64 56288 115210 1368162 1610276 256 128 52588 146790 1868008 1570244 256 256 63494 169445 1817419 1967260 512 4 22470 26474 367040 411253 512 8 36074 46929 757541 646480 512 16 50408 73911 805264 893368 512 32 56819 118300 1132755 1150351 512 64 78539 131927 1306409 1454140 512 128 83359 178335 1538526 1672748 512 256 100350 191264 1809465 2065273 512 512 89449 203171 1875849 2160868 1024 4 23232 24375 384068 366752 1024 8 38418 45604 658050 581516 1024 16 58718 76825 939446 844168 1024 32 76168 105502 940269 1052480 1024 64 93515 135844 1283303 1553442 1024 128 98823 150411 1523683 1486247 1024 256 116074 185241 1774922 881234 1024 512 113943 179145 1668074 1799462 2048 4 22867 26677 297149 363767 2048 8 39832 44985 605572 590909 2048 16 62536 74402 923767 991817 2048 32 86427 109161 1081337 1094007 2048 64 107824 143185 1385740 1460673 2048 128 118483 158905 1477760 1529327 2048 256 118972 183088 1777789 1699696 2048 512 125305 196131 1329133 1832009 4096 4 24419 25790 397049 401016 4096 8 40254 46148 625340 677471 4096 16 58015 75546 893351 789813 4096 32 86519 106325 1256866 1219052 4096 64 110125 142882 1402231 1425738 4096 128 119076 161821 1588697 1552658 4096 256 135194 167080 1768603 1620925 4096 512 128764 171223 1652259 1580803 8192 4