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: Sun Dec 8 02:21:22 2024 Auto Mode Machine = Linux oleg449-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-oleg449-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 14177 29658 566551 491815 64 8 21447 47411 874936 913649 64 16 25680 70109 831569 842003 64 32 28070 135313 1255511 1336792 64 64 31005 169380 1492919 1780008 128 4 23538 35545 327399 331646 128 8 32048 61092 684081 859260 128 16 31621 83006 1332828 1332828 128 32 43834 106504 1102844 1231904 128 64 37056 168837 1997245 1406136 128 128 49821 201845 1332828 1266785 256 4 23885 29008 478536 468922 256 8 39795 61969 539079 552960 256 16 38266 95453 1325925 1195962 256 32 53309 142447 1514860 1766587 256 64 59646 187134 1686137 2000242 256 128 85023 223612 2187712 1985448 256 256 83606 234195 1600674 2000242 512 4 29423 34503 464641 320003 512 8 45486 53311 896725 677053 512 16 60506 82592 869143 1312798 512 32 71669 127964 1387437 1344020 512 64 88659 185450 1764853 1394645 512 128 86369 165257 1624659 1630828 512 256 96913 250120 1783912 2105777 512 512 87850 258334 1560891 1619757 1024 4 24040 35656 544990 549031 1024 8 40175 51719 898189 828375 1024 16 67332 81463 1171629 1150600 1024 32 83873 126234 1605111 1071116 1024 64 83804 180378 1540074 1681790 1024 128 107892 208546 1709912 1470977 1024 256 98803 244451 1505523 2065081 1024 512 99446 212403 2081090 1999700 2048 4 28526 31410 554840 492293 2048 8 45512 46449 780207 643016 2048 16 77894 86133 1092338 884301 2048 32 88719 145434 1024586 1491617 2048 64 137626 135332 1871932 1924783 2048 128 120364 220787 1926510 1563282 2048 256 127386 235026 1522550 1645012 2048 512 177978 203882 1928672 1932143 4096 4 28037 30097 538439 522855 4096 8 51969 62552 846432 893537 4096 16 68441 84586 1024269 885432 4096 32 96058 88188 1242774 1295341 4096 64 137338 152148 1614527 1682848 4096 128 158397 209001 1687642 2007039 4096 256 164069 225277 1779411 2017646 4096 512 190974 235903 2105942 2227447 8192 4 27028 28486 368394 364982 8192 8 49040 52900 730579 669874 8192 16 73724 69912 944966 1127258 8192 32 94576 113887 1166286 1269301 8192 64 130123 174442 1431428 1656305 8192 128 125821 177707 1632849 1488929 8192 256 136392 197358 1688372 1693281 8192 512 175136 209620 1451995 1801220 16384 4 28166 31714 480019 489514 16384 8 48493 58424 729275 859145 16384 16 74891 82395 1051338 1163734 16384 32 106185 120058 1405513 1181684 16384 64 134888 159207 1417165 1227905 16384 128 154736 201260 1657976 1663353 16384 256 176763 189056 1741682 1873087 16384 512 176117 207109 1791771 1860309 32768 4 31856 34169 475760 488389 32768 8 46984 51500 787955 801702 32768 16 71623 86190 956085 1031477 32768 32 106351 121256 1305860 1273186 32768 64 132159 158564 1537111 1516336 32768 128 132092 171059 1618169 1835534 32768 256 169103 221185 1707023 1559488 32768 512 175612 222855 1656214 1607627 65536 4