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: Thu Jul 25 00:02:05 2024 Auto Mode Machine = Linux oleg103-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-oleg103-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 18228 25456 371894 598110 64 8 31559 64129 561808 929467 64 16 37319 73487 901377 1460430 64 32 41586 105649 1049372 1892980 64 64 50755 206997 2278628 1163036 128 4 27639 33666 449337 649331 128 8 45746 68707 557032 656477 128 16 47111 75120 1436229 1504659 128 32 54583 144444 1067750 1185654 128 64 80360 151282 2132084 1778862 128 128 82636 221773 1504659 2377579 256 4 36807 42306 565185 403843 256 8 56350 84044 566377 536654 256 16 71645 89101 839644 853662 256 32 88092 154211 1080434 1729594 256 64 65056 207976 1662639 1339154 256 128 138461 285053 1956506 1649865 256 256 147983 276181 2639446 1652404 512 4 25602 27862 342457 477133 512 8 51764 61199 978885 603089 512 16 76625 96952 792778 1451192 512 32 125058 159702 1089094 1821745 512 64 118137 204955 1273861 1924603 512 128 141283 289425 1642050 1411141 512 256 166667 292063 1261144 2022482 512 512 167160 369122 2572435 2560168 1024 4 27516 29005 530583 510224 1024 8 51209 66278 803728 814087 1024 16 78629 115212 1066594 1412443 1024 32 113765 163843 1336827 1130312 1024 64 150543 174714 1815435 1402756 1024 128 186617 233196 1418039 1387350 1024 256 192264 312570 1819280 1614767 1024 512 186253 338858 2192645 2392998 2048 4 35078 38798 389958 532220 2048 8 56674 68403 797816 619103 2048 16 77726 103100 964207 1167617 2048 32 129081 146526 1330781 1469167 2048 64 135528 167540 1310279 1801275 2048 128 184722 261355 1623865 1592555 2048 256 183923 244241 2120026 2043857 2048 512 196037 249883 2078978 2017455 4096 4 31633 34685 580169 419709 4096 8 54177 53401 639707 833051 4096 16 80373 106091 904403 1259077 4096 32 106794 155859 1499795 1424201 4096 64 156020 214205 1454589 1321751 4096 128 186870 243403 1796530 1684828 4096 256 186181 204216 1634495 1914019 4096 512 227910 285917 1728216 1804455 8192 4 31881 36107 433808 521014 8192 8 55538 71839 724006 803383 8192 16 89092 95502 1020309 1152477 8192 32 118376 134823 1230570 1558278 8192 64 168258 184766 702454 1199049 8192 128 181971 228322 1689036 1571463 8192 256 201540 254085 1825722 1763230 8192 512 176704 271672 1817225 2118904 16384 4 29485 33478 449159 516114 16384 8 57150 62386 757884 797193 16384 16 95515 105275 1158125 1055455 16384 32 122155 157567 1164720 1438705 16384 64 159155 179495 1304350 1597354 16384 128 173553 229573 1714523 1700648 16384 256 179755 270332 1518870 1621017 16384 512 199911 245647 1630092 1569948 32768 4 30367 35135 539702 463492 32768 8 60400 63618 745472 806259 32768 16 88268 111440 1109355 1130358 32768 32 127695 154164 1700981 1308782 32768 64 159511 214228 1915824 1706387 32768 128 172872 230778 1807080 1706493 32768 256 182936 258030 1626288 1688712 32768 512 208406 292712 1781270 1938358 65536 4