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: Wed Jan 8 12:43:20 2025 Auto Mode Machine = Linux oleg159-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-oleg159-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 12121 25983 720041 695778 64 8 16226 45360 926260 877797 64 16 16665 77207 1210227 1163036 64 32 17636 94095 361380 1163036 64 64 20233 120062 1780008 2561267 128 4 17041 30440 718889 723735 128 8 24768 48542 1105114 1172704 128 16 26048 79503 1363288 1220700 128 32 28169 88653 1406136 1391557 128 64 33630 129310 1755594 1254941 128 128 42622 124367 1622919 1967960 256 4 20160 30538 852984 867455 256 8 29983 54055 1118707 962301 256 16 40225 77270 1237306 999940 256 32 40926 110061 648079 1445521 256 64 62442 138372 1610276 1985448 256 128 57812 163560 2242541 1970871 256 256 64097 167098 1956506 2045979 512 4 24226 29934 876593 784094 512 8 35578 40936 1022219 949875 512 16 54180 69744 1199171 1193175 512 32 51733 109099 1365383 1426135 512 64 70993 129813 1399189 1580419 512 128 85965 170262 1537424 1599251 512 256 75896 152565 1043072 601568 512 512 74667 171870 1968713 672811 1024 4 24129 29746 778101 662823 1024 8 39565 49778 889631 709700 1024 16 57843 75729 1258117 1248607 1024 32 69432 110405 1440391 1506051 1024 64 78113 132418 1515083 1542286 1024 128 88297 163993 1673273 1654579 1024 256 90837 147741 1689730 972414 1024 512 107619 193721 1976691 1976691 2048 4 24551 30015 775418 749113 2048 8 40733 45025 1087085 1066700 2048 16 59881 71864 1181753 1068292 2048 32 82510 99999 1257160 1072159 2048 64 98989 124741 1216221 1494992 2048 128 78218 151402 1615315 822175 2048 256 110065 129563 1633127 1623865 2048 512 122487 205683 1605053 1907261 4096 4 27380 29894 721152 778997 4096 8 44774 47972 981325 1026104 4096 16 67526 81523 1274867 1249190 4096 32 84156 103062 1463386 1374081 4096 64 104178 147752 1495357 1567534 4096 128 118711 150526 1655602 1353618 4096 256 101779 132133 1582697 1724573 4096 512 117249 208279 1852515 1653531 8192 4 27643 30393 840362 842608 8192 8 46343 50747 1030808 919205 8192 16 70793 78925 1304033 1317686 8192 32 89987 105150 1493784 1430415 8192 64 97325 128075 1289886 1582391 8192 128 126378 134347 1736409 1627667 8192 256 113440 167143 1604410 1665377 8192 512 133198 181842 1774339 1903396 16384 4 27362 29772 806738 827299 16384 8 45991 51611 1164622 1027414 16384 16 69325 79340 1305094 1268523 16384 32 95050 108956 1471011 1474166 16384 64 118998 140242 1601561 1647285 16384 128 132684 153065 1740535 1693774 16384 256 140918 167246 1752520 1647166 16384 512 142292 173399 1720791 1695905 32768 4 27016 30146