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: Mon Sep 30 22:56:46 2024 Auto Mode Machine = Linux oleg230-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-oleg230-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 5730 10723 467002 351444 64 8 9759 34821 603489 511494 64 16 11805 59259 901377 926260 64 32 12091 79212 1138375 1105556 64 64 11613 101418 1722886 1690338 128 4 14883 23961 465304 345965 128 8 19586 23013 330625 595328 128 16 16587 66909 1040839 584950 128 32 18716 95091 1123617 1057236 128 64 13563 107121 1618028 1346196 128 128 15724 134594 1967960 1911894 256 4 6236 13446 269459 260945 256 8 17888 19352 491233 326583 256 16 16440 32574 802614 933846 256 32 20613 86719 1083705 1067543 256 64 17423 119188 1588832 1384034 256 128 49630 141845 1642294 1642294 256 256 42760 159195 1718521 1881098 512 4 13464 9232 383561 360812 512 8 10789 30574 619799 467168 512 16 23462 23644 863203 788992 512 32 51256 99573 1024169 1057974 512 64 52017 123342 1273861 1510391 512 128 42500 128163 1647088 1555239 512 256 59088 147210 1071167 1679288 512 512 35764 178025 2065273 1862832 1024 4 16654 16114 339877 429333 1024 8 29528 34304 213735 613496 1024 16 29823 37866 389643 868581 1024 32 56346 71573 379655 833196 1024 64 68605 71848 1268896 1304348 1024 128 51407 109635 962391 1324868 1024 256 63948 162615 1466957 1525848 1024 512 59960 83612 338831 1806273 2048 4 17684 17999 298460 373982 2048 8 26918 36797 726986 620982 2048 16 22332 54006 370003 490550 2048 32 62597 80556 676596 706943 2048 64 60858 60032 1256425 1564706 2048 128 51012 127570 554876 1108835 2048 256 73215 145911 1450560 838631 2048 512 103664 190939 1818820 813995 4096 4 16359 15267 150554 164637 4096 8 32813 42178 543102 576741 4096 16 37811 26872 615020 638210 4096 32 77329 71438 1089622 1197636 4096 64 60109 119139 556761 1356290 4096 128 88059 121662 1364477 1001461 4096 256