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 Dec 13 13:49:21 2024 Auto Mode Machine = Linux oleg202-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-oleg202-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 19241 30724 336889 309326 64 8 29547 42691 551422 586352 64 16 31637 79119 1279447 1279447 64 32 44043 116975 1066042 1722886 64 64 34971 143180 1553394 1452528 128 4 20952 30137 496272 513847 128 8 32913 57420 631014 901083 128 16 48103 98385 805138 785122 128 32 61218 128015 1266785 1319723 128 64 62225 148314 1598754 1440082 128 128 67583 185524 1663139 1885042 256 4 28290 31265 466275 436160 256 8 38636 53746 684432 524593 256 16 53881 77955 882426 891956 256 32 74789 124149 1241598 1131677 256 64 104238 156185 1842366 1376935 256 128 106228 203985 1694118 1652404 256 256 105044 187559 2223962 1924938 512 4 29278 33611 432802 502475 512 8 45234 58945 589999 743123 512 16 68900 81400 1080328 996139 512 32 105611 134597 1122687 1286067 512 64 145455 226651 1365383 1261144 512 128 114515 233782 1599251 1861217 512 256 153207 232718 2275345 2089386 512 512 166396 284895 2532990 2016784 1024 4 28291 30072 352023 503938 1024 8 42870 59173 577839 567981 1024 16 75007 92778 1163693 966071 1024 32 102033 111523 1211622 1110727 1024 64 132385 198026 1187831 1199106 1024 128 140777 214407 1510288 1553442 1024 256 147634 294745 1888889 1334750 1024 512 106301 316043 1992279 1825466 2048 4 26974 32899 429715 419311 2048 8 50126 57967 713105 709395 2048 16 88862 97500 796854 1024953 2048 32 117775 119759 1527152 1480817 2048 64 139386 185624 1387530 1692329 2048 128 183840 228980 1549185 1536439 2048 256 174937 254661 1782585 1695669 2048 512 206246 229084 1810768 1977058 4096 4 27613 31189 389841 358542 4096 8 46473 53189 703291 644120 4096 16 74637 87980 781087 884065 4096 32 116731 124389 1052958 1059517 4096 64 130455 155116 1454589 1375401 4096 128 144786 215578 1472290 1419260 4096 256 177993 218746 1678081 1781625 4096 512 195168 261928 1543868 1866807 8192 4 27421 32539 410398 422723 8192 8 48892 52380 557012 630444 8192 16 72620 85599 881226 924722 8192 32 111782 120183 1095172 981067 8192 64 130157 158076 1291486 1385931 8192 128 162999 201932 1451934 1441699 8192 256 159794 215612 1601269 1529491 8192 512 160730 222833 1669747 1638377 16384 4 27815 31389 401216 402881 16384 8 48100 54308 683376 688518 16384 16 70534 90012 926852 950295 16384 32 109584 125115 1017390 1107257 16384 64 138074 159396 1380996 1341186 16384 128 153684 207623 1404163 1419888 16384 256 164219 231383 1588052 1645628 16384 512 177120 225064 1545514 1610569 32768 4 27844 29919