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 May 8 17:20:31 2024 Auto Mode Machine = Linux oleg322-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-oleg322-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 17400 29767 603489 639427 64 8 26612 48781 763021 727850 64 16 25631 72968 1087638 969761 64 32 33847 105276 969761 1357066 64 64 35673 114285 1879725 1879725 128 4 21705 29337 747933 649331 128 8 36729 55337 962469 1421023 128 16 41760 70642 1303699 1093856 128 32 43912 98838 1939522 1471662 128 64 41413 130346 1642783 1705404 128 128 70411 164947 2367096 1827299 256 4 22895 32976 719277 859127 256 8 36292 48577 914752 794889 256 16 54019 91461 1180188 1362952 256 32 68084 121673 1292410 1437779 256 64 81997 147800 1629830 1327564 256 128 55785 173806 1790149 1619994 256 256 88426 220670 2015259 2015259 512 4 25245 30001 707152 637650 512 8 42056 56437 1014013 996139 512 16 65987 84670 1150351 1158418 512 32 78178 125058 1293037 1344020 512 64 101690 149444 1402845 1510391 512 128 96751 192914 1475116 1510391 512 256 100987 202845 1766304 1759070 512 512 85632 206215 2275345 1236455 1024 4 28972 31253 744774 765890 1024 8 46188 53324 857654 1036478 1024 16 73642 90037 1190465 1257748 1024 32 78389 135505 1239598 1008964 1024 64 110450 156620 1477555 1029029 1024 128 136791 192739 1651398 1549519 1024 256 111013 204232 1607514 1721563 1024 512 134348 221495 1526390 1845071 2048 4 27291 32416 740396 727787 2048 8 47491 53515 924165 824148 2048 16 79922 80632 1120844 1042239 2048 32