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 Feb 25 00:35:09 2024 Auto Mode Machine = Linux oleg248-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-oleg248-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 17098 38714 571375 551422 64 8 16913 51564 681644 955947 64 16 23155 109040 1304314 1330167 64 32 21542 121419 1638743 987600 64 64 25245 140043 1163036 1066042 128 4 19641 27820 595328 561694 128 8 26053 55652 826202 942199 128 16 35794 102734 1346196 1377278 128 32 38244 154771 1319723 1332828 128 64 32121 155533 1561553 1684006 128 128 48137 170662 1424795 2098744 256 4 22320 27877 419134 379842 256 8 29829 49108 755195 753077 256 16 34087 40518 755195 690151 256 32 38266 122660 792543 870268 256 64 65673 173581 1430119 1591186 256 128 77365 245157 1292410 1455317 256 256 78941 265593 2097948 2210228 512 4 32011 41177 589028 613951 512 8 49379 64169 967855 919375 512 16 51082 102398 962218 1316016 512 32 84640 155538 1316016 1248678 512 64 101087 199454 1815584 1842059 512 128 89089 244760 1707325 1889050 512 256 89602 206711 1542947 1547395 512 512 110179 256268 2116152 2039772 1024 4 27073 38321 311730 445776 1024 8 44035 57209 815323 809484 1024 16 77883 76458 680465 737231 1024 32 94151 113563 1105865 1259592 1024 64 105349 159227 1054547 1145383 1024 128 115796 179774 1273410 1420384 1024 256 100658 197072 1914144 1855433 1024 512 146347 257742 1871603 1973059 2048 4 27696 30238 539236 482233 2048 8 40152 60766 533874 659759 2048 16 81994 80747 1094565 902132 2048 32 109442 100822 930068 917551 2048 64 128465 174404 1445434 1634681 2048 128 143194 223778 1310279 1274507 2048 256 149914 178864 1380839 1618968 2048 512 147297 248121 1818820 2041913 4096 4 27854 37916 480746 487679 4096 8 54017 58336 657129 635425 4096 16 76115 92663 964467 1011365 4096 32 78951 129937 1389978 1419260 4096 64 124305 191949 1535177 1496529 4096 128 152869 180943 1305282 1510875 4096 256 128233 254566 1622915 1339059 4096 512 132239 244508 1572987 1503076 8192 4 33395 32916 525805 489135 8192 8 57355 55357 691359 690539 8192 16 80743 83852 1044089 1121737 8192 32 96098 125259 1027325 1141564 8192 64 126345 160797 1341610 1426910 8192 128 118662 185209 1163443 1363925 8192 256 167300 217300 1631841 1641665 8192 512 142229 207371 1214906 1310949 16384 4 29545 32055 490584 571211 16384 8 51125 57967 721662 677641 16384 16 76125 85743 1150486 973959 16384 32 118233 130882 1251451 1263810 16384 64 148072 162253 1586365 1314204 16384 128 155509 200388 1385311 1394616 16384 256 162930 233987 1786090 1626850 16384 512 154076 241634 1616251 1632531 32768 4 31365 35535 511721 494313 32768 8 52589 60890 730402 840811 32768 16 85462 100441 1240840 1159520 32768 32 110520 132090 1537093 1541455 32768 64 137979 181590 1582089 1519925 32768 128 173248 204538 1491958 1532141 32768 256 181890 229177 1752024 1772792 32768 512 182174 242679 1843709 1713001 65536 4 31885 37916 486113 470463 65536 8 51914 61690 718502 816158 65536 16 81890 97769 975312 1127732 65536 32