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: Tue Dec 24 23:12:22 2024 Auto Mode Machine = Linux oleg157-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-oleg157-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 15333 23607 361380 349613 64 8 12784 38436 627470 519412 64 16 21115 62736 969761 752329 64 32 15041 92634 1124074 1083249 64 64 26468 107943 2203800 1562436 128 4 12214 22906 366763 397444 128 8 24705 40506 544601 692017 128 16 34098 65076 795593 836500 128 32 33836 89765 1057236 702889 128 64 44691 111319 1684006 1319723 128 128 46921 186296 1778862 2058509 256 4 19791 27654 329085 596919 256 8 30559 41369 414123 682691 256 16 40392 67689 951219 907792 256 32 54699 113230 1260547 750970 256 64 53973 137556 1049800 1272498 256 128 63054 140417 1619994 1610276 256 256 65709 166347 1312954 2152625 512 4 22094 28155 419282 434290 512 8 34973 44099 581216 551796 512 16 50813 71260 843537 932550 512 32 83114 118627 1264858 1306409 512 64 84070 128224 1861217 1809465 512 128 87685 159595 1882427 1387437 512 256 92417 172741 2158696 1667552 512 512 98995 204623 2394591 2032051 1024 4 22850 27688 445037 364418 1024 8 41328 49075 743613 591935 1024 16 60941 77588 795687 788240 1024 32 78503 105230 805688 1063161 1024 64 94954 127762 1506051 1329791 1024 128 105798 160422 1429841 1638171 1024 256 113907 161411 1587902 1605111 1024 512 100540 170382 2004366 1865101 2048 4 24148 27705 357976 403154 2048 8 40397 50022 748786 696115 2048 16 62019 79300 1108263 971953 2048 32 88776 119298 1269797 1078486 2048 64 104186 133960 1511565 1429319 2048 128 113451 173576 1543340 1631886 2048 256 142401 181706 1680082 1752044 2048 512 111189 185056 1684034 1848567 4096 4 25910 26988 359427 420623 4096 8 43065 47699 796736 701740 4096 16 75387 76055 899808 943129 4096 32 81836 107399 1301623 1238206 4096 64 107991 136469 1358113 1127154 4096 128 147005 160759 1664424 1611195 4096 256 130708 167463 1806732 1672526 4096 512 132200 182311 1787743 1778674 8192 4