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: Mon Dec 2 13:32:20 2024 Auto Mode Machine = Linux oleg311-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-oleg311-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 18191 29754 390278 318502 64 8 22472 47765 769584 542506 64 16 31265 64701 901377 877797 64 32 31573 101726 983980 495445 64 64 25692 111485 1421755 1679761 128 4 21677 29249 304037 336848 128 8 35566 44443 805138 609522 128 16 44337 105604 1266785 1155043 128 32 51160 156075 1065630 1663139 128 64 78286 153312 1254941 887675 128 128 74073 157819 1732927 1642783 256 4 26967 25487 321209 328180 256 8 47268 64127 764334 561343 256 16 67013 93810 507966 1224606 256 32 72664 121507 1523457 1384034 256 64 100661 216401 1248819 834424 256 128 109915 214585 1481420 2148318 256 256 81685 283473 2563818 2170027 512 4 28962 34657 470134 352809 512 8 49738 53763 497010 515626 512 16 66891 80124 997991 1216149 512 32 86985 141005 1130370 1309596 512 64 102442 183110 1365383 1289930 512 128 115656 155526 1620980 1406520 512 256 134775 269892 1679288 1570020 512 512 135592 216943 1861217 2474613 1024 4 26755 28556 472555 406189 1024 8 48195 58806 577218 462082 1024 16 65632 93772 805688 877633 1024 32 90563 125658 1126753 987619 1024 64 139470 141375 1436537 1664841 1024 128 129339 209573 1311117 1638171 1024 256 161356 231051 1439908 2072054 1024 512 170179 271836 1899750 2150918 2048 4 30555 32424 473514 468223 2048 8 51193 55411 585831 669060 2048 16 75488 84373 844152 756568 2048 32 104612 119014 1284033 1272808 2048 64 129759 156765 1370047 1144743 2048 128 128376 170031 1581414 1382840 2048 256 146336 206118 1481072 1656751 2048 512 145671 228493 1630647 1699696 4096 4 27311 30552 380955 449713 4096 8 50627 54257 573832 692016 4096 16 70188 84530 916318 900610 4096 32 100653 121172 1365344 1212855 4096 64 141203 161697 1292126 1458664 4096 128 167992 193199 1356719 1335935 4096 256 166483 237186 1585764 1673993 4096 512 199961 192410 1539303 1860943 8192 4 26144 30396 441160 404304 8192 8 52881 53873 623342 621122 8192 16 69575 83731 1074655 982498 8192 32 108899 123626 1253556 1079584 8192 64 133987 167047 1487253 1297876 8192 128 154493 182133 1557713 1400562 8192 256 170432 217663 1607863 1737727 8192 512 161938 226030 1806714 1719895 16384 4 27327 29480 406530 395358 16384 8 47178 54553 656303 669912 16384 16 79100 86077 917963 963026 16384 32 102161 135179 1098267 1230037 16384 64 136093 174752 1328790 1482979 16384 128 159001 201945 1587758 1586365 16384 256 173605 216387 1701701 1691689 16384 512 172317 231722 1669455 1808987 32768 4 26874 29448 414775 413763 32768 8