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: Fri Jul 19 05:45:03 2024 Auto Mode Machine = Linux oleg360-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-oleg360-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 15686 29052 1101022 1029254 64 8 21865 59814 1083249 1330167 64 16 26489 94393 1232453 1226821 64 32 28867 112090 2278628 1648808 64 64 27501 150907 1933893 1828508 128 4 23791 35734 913347 1024942 128 8 24887 56018 1278855 640042 128 16 32939 67942 1142750 1085013 128 32 44646 116261 1455701 1436229 128 64 37925 113077 1911894 1440082 128 128 51633 215109 2326073 1802755 256 4 22124 30381 559005 1103757 256 8 36744 50453 733527 1369908 256 16 49288 69189 1382252 1463250 256 32 59356 103855 1300235 1506359 256 64 63069 152200 1142514 1312954 256 128 68101 179261 2131261 2135500 256 256 54306 226776 2118645 2170027 512 4 26788 30105 864942 681566 512 8 43463 48246 1196499 991998 512 16 68404 91460 1446306 2196227 512 32 82459 119738 1347393 1501940 512 64 80617 164158 1510391 1700565 512 128 92868 154308 1333173 1236455 512 256 97880 222888 1684557 2178404 512 512 110134 201418 1827947 1718254 1024 4 29303 27311 869284 871401 1024 8 44092 46347 1201790 890369 1024 16 60498 74734 987392 1036478 1024 32 67786 113387 1062372 1356245 1024 64 103982 140736 1317957 1336827 1024 128 90363 158241 1741810 1605111 1024 256 91330 226901 2044438 2064088 1024 512 132881 222712 2178189 2478620 2048 4 30428 39613 890443 1216221 2048 8 56566 55274 1209031 1074439 2048 16 71471 91033 1284801 1342008 2048 32 87791 103665 1570714 1324624 2048 64 107315 156360 1670281 1598780 2048 128 134312 163422 1698016 1768638 2048 256 123790 249788 2024111 2060526 2048 512 148731 227681 2041913 2207184 4096 4 34249 32929 915097 759505 4096 8 52467 60056 1261481 1120976 4096 16 75141 89771 1195886 1038761 4096 32 94979 127996 1603825 1661687 4096 64 101760 158802 1496529 1620772 4096 128 142104 193930 1400402 1415751 4096 256 160463 185482 1554485 1465508 4096 512 107537 190572 1753261 1594448 8192 4 28243 27822 842443 864769 8192 8 51271 54422 1207731 1215980 8192 16 72013 78945 1491061 1407332 8192 32 101326 132056 1244791 1340511 8192 64 105005 157768 1439947 1428690 8192 128 134614 173276 1594433 1694617 8192 256 143883 174053 1445824 1676591 8192 512 155758 167539 1523253 1757998 16384 4 27647 29732 856896 735732 16384 8 47020 51909 1153073 1046168 16384 16 72574 79716 1338339 1441239 16384 32 93078 105292 1501349 1622356 16384 64 119708 143836 1538422 1542012 16384 128 141332 160649 1563661 1518568 16384 256 144617 183276 1775476 1588199 16384 512 144934 190243 1665894 1700816 32768 4 27488 29279 835831 838488 32768 8 47157 49688 992756 1022179 32768 16 68333 77818 1211654 1300473 32768 32 84569 99970 1354441 1436251 32768 64 107291 123195 1406661 1421794 32768 128 117446 142516 1463832 1563053 32768 256 125000 157845 1534519 1507819 32768 512 128080 161815 1521827 1618417 65536 4 26191 26826