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: Sat Sep 14 04:58:10 2024 Auto Mode Machine = Linux oleg131-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-oleg131-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 12098 24501 389711 357529 64 8 13976 38647 769584 592827 64 16 16980 58017 831569 811459 64 32 12913 84872 942521 1049372 64 64 18167 105774 1363961 1421755 128 4 16190 24671 264493 326602 128 8 18225 42467 503723 535903 128 16 30046 64228 908709 785122 128 32 33693 107571 1074159 877518 128 64 32063 123197 1359835 1319723 128 128 34353 138233 1346196 1727352 256 4 21824 25513 410325 591330 256 8 31764 45132 605332 405062 256 16 36296 73838 847597 826078 256 32 55174 107569 1036624 1178892 256 64 48855 119069 1540948 1673001 256 128 52243 145714 1707589 1543163 256 256 57029 152113 1897721 2135500 512 4 21790 23384 239706 338837 512 8 35232 41994 551796 600223 512 16 52409 73288 1138158 870552 512 32 58964 108268 1080328 1361920 512 64 68807 133410 1289930 1347393 512 128 78059 155010 387646 1471074 512 256 74277 173200 1614885 1600443 512 512 76111 147768 2107844 2007358 1024 4 22739 24858 349701 375112 1024 8 37569 45867 587803 572448 1024 16 53385 73163 858340 934337 1024 32 62991 102327 911920 1123805 1024 64 85417 144939 1177088 1244266 1024 128 96114 170152 1612342 1604512 1024 256 108891 164445 1314327 1615374 1024 512 91690 172386 1812371 1871603 2048 4 23380 25362 405610 387513 2048 8 40098 46272 605914 686326 2048 16 60712 76255 818884 843158 2048 32 83711 115017 1110555 1300361 2048 64 103116 142272 1470172 1309480 2048 128 117951 160803 1422220 1200414 2048 256 118931 170368 1779262 1467911 2048 512 142816 195698 1638423 1822292 4096 4 24312 26271 379784 387765 4096 8