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 Dec 5 06:20:07 2024 Auto Mode Machine = Linux oleg156-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-oleg156-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 18800 34296 491815 315507 64 8 24068 56289 763021 477808 64 16 33842 71835 710511 725882 64 32 42807 77008 1255511 901377 64 64 48923 150907 1255511 2006158 128 4 24605 27675 476031 401307 128 8 34070 42257 722760 516318 128 16 55577 103129 669577 1015251 128 32 61867 107206 992724 1346196 128 64 71508 174603 1802755 1243315 128 128 75204 189051 1939522 1487977 256 4 29140 30149 393195 430218 256 8 44138 45969 807442 519266 256 16 50156 87825 610842 744204 256 32 77577 124697 1497953 1048775 256 64 106980 140508 1532153 1272498 256 128 107915 262798 1361224 2000242 256 256 101826 261263 1453348 1686137 512 4 24156 31742 399397 377891 512 8 44095 56940 670082 652967 512 16 66719 79737 774480 910797 512 32 110128 134953 1147892 975328 512 64 117375 181623 1132755 1783912 512 128 133676 174382 1803387 1999881 512 256 147170 252710 1889050 1426135 512 512 161868 316653 1629590 1616100 1024 4 29449 30713 462530 524556 1024 8 55157 54329 854073 701814 1024 16 80693 87581 1049138 799390 1024 32 109485 139911 1283303 1458489 1024 64 119027 185305 1442326 1235319 1024 128 176770 227057 1496605 1418039 1024 256 152906 194229 1751042 1707193 1024 512 180409 267652 1762539 1703807 2048 4 27465 29513 464526 299365 2048 8 48766 52759 669686 666671 2048 16 72908 93052 862373 798780 2048 32 104902 127602 1180454 1281543 2048 64 125450 155954 1122162 1319740 2048 128 161489 217759 1620190 1725300 2048 256 181767 242135 1535066 1701042 2048 512 170937 282518 1763917 1820362 4096 4 27454 27129 298283 440760 4096 8 44643 48269 610518 699226 4096 16 70265 80021 808700 896287 4096 32 94408 113221 1004623 1187619 4096 64 123206 157635 1331173 1333343 4096 128 141627 182029 1456068 1407055 4096 256 156819 214902 1622762 1604274 4096 512 179766 213914 1531209 1372215 8192 4 23582 25926 423844 378432 8192 8 44652 50082 726701 693648 8192 16 73117 82692 892279 902213 8192 32 106898 123035 1224692 953779 8192 64 135519 152089 1288048 1291923 8192 128 149839 186198 1462813 1433160 8192 256 156291 202436 1505896 1423954 8192 512 162501 204278 1552996 1646306 16384 4 23880 29053 458781 430433 16384 8 54438 61016 755791 725211 16384 16 82978 87852 1033223 1015436 16384 32 120085 135144 1254421 1362378 16384 64 145962 187068 1532794 1375660 16384 128 161609 200905 1636926 1747084 16384 256 182478 241754 1869469 1838608 16384 512 191827 252286 1961911 2076568 32768 4 29883 31495 481627 485976 32768 8 49693 58614 798405 761870 32768 16 83569 96692 1047937 854157 32768 32 122522 147057 1289056 1410457 32768 64 156717 183034 1299649 1517307 32768 128 173550 211300 1516269 1654200 32768 256 185376 240864 1861186 1769437 32768 512 183689 262597 1988473 1867102 65536 4