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 Mar 22 03:16:53 2024 Auto Mode Machine = Linux oleg408-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-oleg408-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 15234 31570 463774 581273 64 8 19422 49156 821391 481234 64 16 22321 69872 754443 1330167 64 32 21620 68815 673098 1013707 64 64 26491 172537 955947 1599680 128 4 18460 34089 504196 490380 128 8 30368 46681 551878 934004 128 16 35986 101434 1294270 795593 128 32 40035 124627 1067750 1057236 128 64 47583 191684 2004703 2035099 128 128 46076 131270 2166499 1802755 256 4 23035 31872 461267 463657 256 8 35335 50481 889002 766517 256 16 49621 105612 797250 861885 256 32 58194 103226 1581810 847597 256 64 67400 174967 1814348 1956506 256 128 72600 189747 2015259 1894373 256 256 79408 153002 2285501 1855098 512 4 28056 30345 497585 357567 512 8 42359 37533 504363 630536 512 16 51581 73448 1032540 1038532 512 32 71858 112012 1667552 1160923 512 64 71971 137890 1350783 1333173 512 128 101225 216114 1560891 1904125 512 256 92151 231464 1326585 2099600 512 512 108175 252087 2235086 2178404 1024 4 26658 32185 378151 491594 1024 8 43550 56942 542992 645684 1024 16 68229 81965 1122924 991266 1024 32 81736 112587 1414770 1540074 1024 64 96449 157055 1599731 1709912 1024 128 121238 199184 1530742 1573360 1024 256 135664 222758 1503415 1878973 1024 512 116033 197990 1628234 2094282 2048 4 27479 27989 405552 438266 2048 8 43087 45794 790401 817870 2048 16 71493 87686 1145354 900242 2048 32 97098 138387 1253308 1377076 2048 64 105779 175991 1577638 1361794 2048 128 141690 177669 1271112 1526066 2048 256 140322 235969 1704079 1674514 2048 512 164722 164140 1756343 1801275 4096 4 28723 30504 513724 494629 4096 8 51480 55718 732092 737213 4096 16 67739 65725 1166650 1097488 4096 32 101703 142040 998028 1457056 4096 64 134489 156658 1327265 1361233 4096 128 166605 176582 1676607 1778674 4096 256 147497 199106 1664424 1457550 4096 512 128967 224968 1734148 1742237 8192 4 26768 33734 428341 429304 8192 8 48020 55251 751890 698385 8192 16 76862 86120 945642 775548 8192 32 97254 106844 1237840 1298023 8192 64 108062 152098 1510065 1621522 8192 128 154071 194137 1733343 1762416 8192 256 157675 227986 1662315 1511394 8192 512 141958 205375 1545382 1635414 16384 4 28915 29100 444444 457578 16384 8 45931 50841 703784 708376 16384 16 71939 87091 887644 1061766 16384 32 102603 119250 1028429 1051467 16384 64 118804 155398 1480423 1500235 16384 128 128371 189255 1381356 1345256 16384 256 161258 183186 1461003 1537561 16384 512 142545 187549 1520685 1605040 32768 4 26550 29001 433072 391848 32768 8 49389 55287 806203 826661 32768 16 79673 82628 1033851 992727 32768 32 109163 113123 1551215 1503185 32768 64 127580 182074 1581324 1628060 32768 128 148292 188767 1709422 1743157 32768 256 174002 212428 1739914 1753700 32768 512 170418 206340 1795395 1717948 65536 4