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 Jan 15 18:45:51 2025 Auto Mode Machine = Linux oleg408-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-oleg408-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 6269 24718 799377 153496 64 8 8972 43507 1087638 1304314 64 16 16498 67790 1330167 1255511 64 32 14753 51823 1452528 1452528 64 64 9532 63809 1991276 1768283 128 4 10417 28822 695603 612303 128 8 14722 24492 1048974 985435 128 16 22495 70401 1291158 1076312 128 32 24001 73818 1526043 1409828 128 64 17713 121222 1618028 1278855 128 128 15825 134056 1266785 1827299 256 4 18414 19193 706964 721210 256 8 30541 65693 1019886 944525 256 16 29283 62869 1319408 1354356 256 32 18414 73308 1642294 1479379 256 64 52010 135525 641497 1579483 256 128 40168 141452 1201314 1707589 256 256 39041 171474 2061693 773140 512 4 14758 22656 665720 775879 512 8 28380 41039 821907 1108203 512 16 30778 70223 1333173 1339827 512 32 45636 82806 1383861 1118011 512 64 39566 116686 1402845 1450212 512 128 63178 132268 1008300 1541840 512 256 61346 122546 1842059 1753325 512 512 58082 170100 1339827 909640 1024 4 24908 30302 697143 661496 1024 8 38061 43028 864908 1276817 1024 16 55800 69030 1369216 802526 1024 32 59081 89315 1499217 1442326 1024 64 52151 88842 1501313 1646334 1024 128 68390 150300 1607514 983548 1024 256 85920 152700 1815435 1628234 1024 512 90124 175370 856115 1715375 2048 4 24080 20520 695158 637008 2048 8 32102 52464 1144133 1176251 2048 16 60246 69235 1541125 849831 2048 32 76372 76198 1552545 1350023 2048 64 81493 131873 877526 1523901 2048 128 101834 131417 1629410 1588726 2048 256 104329 99446 967356 1637174 2048 512 86191 122605 824148 1788524 4096 4 25705 28762 806763 688853 4096 8 44321 50267 1057625 1010413 4096 16 64627 68760 956094 1261851 4096 32 87695 108417 1299457 964629 4096 64 81730 116125 1248373 1101993 4096 128 119434 168351 1326445 1666362 4096 256 91067 130997 1253382 1018681 4096 512 120623 115114 1468640 1773899 8192 4 26822 26747 767973 758379 8192 8 40819 49146 1053889 801340 8192 16 64401 83047 1314058 973148 8192 32 80948 99485 1284629 1433638 8192 64 86581 130601 1560685 1000347 8192 128 75849 137616 1413410 1172615 8192 256 124236 151667 1348296 1689368 8192 512 123228 159861 1395557 1841278 16384 4 26341 26787 820102 854445 16384 8 46187 35833 982832 532260 16384 16 47379 46089 351181 1045500 16384 32 32349 42310 1229927 1297137 16384 64 62404 52463 708004 1062653 16384 128 72280 50944 455564 546095 16384 256 34541 40915 698320 456341 16384 512 42107 72700 1486475 681161 32768 4 11824 14292 583080 581476 32768 8 26332 24567 1001502 659265 32768 16 30631 26591 323216 307035 32768 32 26512 48006 705659 1367785 32768 64 42685 60922 1430228 1118473 32768 128 51910 80587 1052310 1411747 32768 256 69758 100829 1609283 1619142 32768 512 75046 134027 1171879 1271161 65536 4 20747 23800 689548 646049 65536 8