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 Jul 24 23:43:54 2024 Auto Mode Machine = Linux oleg245-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-oleg245-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 9231 24379 349613 363829 64 8 13411 35616 592827 460591 64 16 26133 73729 809014 831569 64 32 14548 93277 1226821 1163036 64 64 25734 143180 1638743 159232 128 4 18534 23849 356533 362553 128 8 19491 41897 434078 680612 128 16 36036 81211 853794 799146 128 32 13931 108550 947186 1123617 128 64 67507 139128 1526043 1332828 128 128 24192 94739 1561553 1749872 256 4 18234 22620 250242 336405 256 8 36056 38728 562815 542347 256 16 39789 66788 686182 859127 256 32 74831 71488 1058076 1040643 256 64 64793 96604 1938842 1400278 256 128 94255 175453 1683493 1619994 256 256 75161 197060 1752173 1907837 512 4 21463 31486 378958 392894 512 8 29527 51821 297855 593915 512 16 57820 57965 825699 546460 512 32 45759 102849 1049187 1086890 512 64 66719 73837 1254513 1248678 512 128 83294 175594 512060 1418599 512 256 65716 211225 2187279 1679288 512 512 41002 148967 1772135 1541840 1024 4 21637 31816 322619 250613 1024 8 39790 44580 410734 558019 1024 16 32713 53103 810859 428433 1024 32 92938 120812 544990 702388 1024 64 35878 140506 1254808 1236742 1024 128 93926 87328 1372279 1422266 1024 256 123164 165135 889815 511013 1024 512 122298 123835 1251882 1917562 2048 4 21433 22337 208996 240064 2048 8 31488 33081 489014 416667 2048 16 43116 43747 889705 241964 2048 32 58300 44065 996072 389216 2048 64 68577 143608 1373553 1326465 2048 128 55729 99162 1582579 1058942 2048 256 54327 80913 1397008 386919 2048 512 39281 85024 1241354 964640 4096 4 16938 18089 79524 158341 4096 8 21766 29519 619277 435100 4096 16 47984 51786 695659 624954 4096 32