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 Nov 5 05:25:14 2024 Auto Mode Machine = Linux oleg104-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-oleg104-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 8948 12611 90115 328238 64 8 11375 30020 438759 409946 64 16 11488 66250 780776 710511 64 32 14479 81944 653436 1013707 64 64 9923 75196 1648808 1599680 128 4 13245 21473 291649 335166 128 8 14458 23907 408949 465304 128 16 13989 61092 1015251 551878 128 32 23884 55217 940549 790905 128 64 21167 120758 1373754 1471662 128 128 14499 68558 1684006 1755594 256 4 10127 19894 335145 327779 256 8 20031 28917 588414 577962 256 16 27044 64598 790209 805021 256 32 34463 90842 1108314 265330 256 64 32778 108428 643033 1143731 256 128 42931 105394 1455317 1286217 256 256 35828 102565 1463250 1871263 512 4 17760 18013 347331 297690 512 8 28913 40235 245572 521385 512 16 41663 59403 816594 491887 512 32 34566 84794 1008300 1026126 512 64 46318 88886 936209 1080328 512 128 55585 140931 1361920 1518938 512 256 65265 175107 1230786 1672748 512 512 46788 137705 1947291 1842059 1024 4 21006 24880 345704 347691 1024 8 31806 42214 523214 523469 1024 16 48468 63456 564770 744774 1024 32 43483 89159 968686 956178 1024 64 71023 116988 1040748 928279 1024 128 86611 140483 1387350 1186518 1024 256 81868 149360 1701108 1508167 1024 512 104457 169877 1758930 1668074 2048 4 22066 25447 356979 348535 2048 8 35648 43804 316530 524710 2048 16 58091 69942 630139 823831 2048 32 78246 104847 962370 1050910 2048 64 88665 131594 1532875 1224194 2048 128 96513 137467 1280778 1194904 2048 256 98889 135798 1555075 1633127 2048 512 60562 150255 949394 1415424 4096 4 21279 25683 345158 403740 4096 8 36695 40944 447756 543515 4096 16 56683 74340 893119 711475 4096 32 85535 99369 1137754 817590 4096 64 89072 126482 1046735 863405 4096 128 98152 106323 908804 1267344 4096 256 86291 95462 1354045 1051090 4096 512 105698 105932 1266129 850496 8192 4 23884 24083 199785 286243 8192 8 36516 37234 553325 499881 8192 16 56108 65581 784669 790191 8192 32 69462 92769 788287 1053889 8192 64 97516 105804 1067642 948592 8192 128 100086 164237 1342502 1280798 8192 256 104341 148596 1628901 1266540 8192 512 93994 138798 1725682 735505 16384 4 22038 23132 348722 378661 16384 8 38163 41117 642809 528023 16384 16 61724 69955 804048 810124 16384 32 85152 98872 1036777 976395 16384 64 79581 109736 1192077 1274617 16384 128 99980 114820 1438946 1286524 16384 256 117739 127728 1242626 1285634 16384 512 110134 158222 1342287 1605040 32768 4 21921 22843 364481 339955 32768 8 38022 41620 589490 539329 32768 16 58067 64898 777010 748244 32768 32 81852 87265 915693 1068617 32768 64 107494 130743 1242905 1275170 32768 128 112781 140696 1377615 1389482 32768 256 126469 153639 1660055 1617370 32768 512 120656 150334 1575000 1606894 65536 4 22463 25439 357274 356445 65536 8 37443 42363 595667 629481 65536 16