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 Apr 17 10:37:05 2024 Auto Mode Machine = Linux oleg420-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-oleg420-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 10763 28156 304761 581273 64 8 15595 25911 511494 546928 64 16 24864 81944 763021 789967 64 32 29052 116822 1163036 1163036 64 64 21732 112090 1562436 1526887 128 4 22768 26589 391360 377597 128 8 32955 43331 485063 581781 128 16 39566 61477 901083 785122 128 32 29760 165150 1152564 1152564 128 64 54417 90844 1858934 1359835 128 128 48670 191616 351630 1939522 256 4 25055 27823 347398 265790 256 8 40087 47967 629094 651223 256 16 47805 78193 864661 820398 256 32 67227 119519 1195962 603970 256 64 99339 235273 1340826 1163562 256 128 115894 111259 1540948 1839210 256 256 77270 203637 937924 2097948 512 4 23126 26517 330341 346435 512 8 44869 49790 437564 628322 512 16 68402 81206 894857 798675 512 32 83291 139430 993834 1051242 512 64 76079 146878 1528669 1350783 512 128 90189 227951 798972 1809465 512 256 86764 233910 2014892 1492545 512 512 65514 227975 2216629 2089386 1024 4 24996 29497 333335 346541 1024 8 45050 51415 367820 365069 1024 16 57696 95816 721624 872995 1024 32 100996 123461 1085737 1196101 1024 64 137176 169508 1386007 1393200 1024 128 129406 211483 1587902 1615374 1024 256 122504 240657 1316341 1784509 1024 512 145974 253782 1868347 2016600 2048 4 24426 27147 374341 271405 2048 8 47581 55689 563873 573166 2048 16 66612 74237 906225 963774 2048 32 99916 119590 860904 876362 2048 64 127576 161553 1086535 1351935 2048 128 124727 145795 1687011 1486197 2048 256 116350 162154 1660915 1635615 2048 512 148438 156147 1501262 1488515 4096 4 26583 29239