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: Tue Jan 7 10:29:15 2025 Auto Mode Machine = Linux oleg214-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-oleg214-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 16904 29453 710511 735831 64 8 16276 48160 1421755 969761 64 16 24463 77586 1279447 200653 64 32 31544 138240 1279447 1330167 64 64 34994 131986 2467108 1780008 128 4 19533 30166 786271 630273 128 8 31341 58394 1196221 1526043 128 16 42525 87369 466923 826202 128 32 40366 116563 1471662 2211113 128 64 27298 117533 919605 1622919 128 128 58420 48927 1997245 2066432 256 4 22691 34169 727070 673696 256 8 30519 55663 1066483 1463250 256 16 36908 81791 1036624 1312954 256 32 51272 112037 1437779 1422540 256 64 50603 143245 1639786 1319408 256 128 71727 164210 1137672 1652404 256 256 58157 137257 2187712 2097948 512 4 21268 29396 1039035 667582 512 8 43243 44771 780390 1078159 512 16 45455 74516 1293037 1071167 512 32 82943 122665 1323315 969603 512 64 87940 175278 1625889 890404 512 128 89823 139168 1672748 1496706 512 256 117215 227155 1827947 1854787 512 512 86718 213769 2089386 2207515 1024 4 26343 34110 1044037 1019744 1024 8 31952 58547 1088213 964986 1024 16 72076 91591 1124099 1437980 1024 32 73383 107471 1284454 1130312 1024 64 91879 152407 539785 1587902 1024 128 84369 144427 1635675 1273410 1024 256 107235 173472 1750329 1235319 1024 512 80884 196504 1093756 1741810 2048 4 24935 23480 745019 597402 2048 8 43401 56412 691464 749636 2048 16 68632 65826 888509 1582579 2048 32 68895 130056 1128946 1191423 2048 64 117802 115914 1508115 1478778 2048 128 144022 145093 1066700 1082973 2048 256 130787 167897 1716680 1723915 2048 512 107269 151466 1731211 989759 4096 4 27984 28592 953229 557809 4096 8 50000 47971 414694 1012140 4096 16 69626 65136 853327 1237047 4096 32 110229 123832 1175994 1535726 4096 64 88479 129117 1139716 1361665 4096 128 134388 143840 1469268 1579060 4096 256 125432 147449 1480282 1078744 4096 512 134746 132702 853327 1834318 8192 4 26122 31078 738541 602709 8192 8 47823 51133 958008 1047431 8192 16 69854 98217 1257640 1148279 8192 32 86181 109637 1262074 1071137 8192 64 107073 123619 1584872 1577234 8192 128 124634 194884 1276990 1593768 8192 256 148140 180619 1444790 1720670 8192 512 154846 176456 1718089 1735971 16384 4 28267 31657 837758 717840 16384 8 46415 55325 812855 1099761 16384 16 62405 76385 1310519 1096584 16384 32 87800 121968 1095326 1455988 16384 64 114344 127073 1404306 1677811 16384 128 113927 161589 1538697 1604552 16384 256 138138 120702 1677156 1474451 16384 512 134025 174349 1723726 1401414 32768 4 29244 31306 801347 782032 32768 8 47851 54340 1107442 1089870 32768 16 72379 84425 1245258 1358430 32768 32 106592 124351 1348527 1459867 32768 64 137259 170147 1640125 1662343 32768 128 139413 173530 1601874 1520698 32768 256 159780 207587 1638561 1691268 32768 512 170696 217112 1759268 1777194 65536 4 30013 32414 735506 801910 65536 8 49468 51562 876784 1018987 65536 16 71256 86007 1330845 1063395 65536 32 104425 126553 1143995 1504401 65536 64 106406 155117 1651396 1579868 65536 128 157038 183523 1740022 1560495 65536 256