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: Thu Jun 13 18:11:21 2024 Auto Mode Machine = Linux oleg355-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-oleg355-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 13115 19962 365314 325058 64 8 13403 41184 528618 512471 64 16 17783 52328 703068 695778 64 32 24277 89394 955947 926260 64 64 25386 146781 1484662 1421755 128 4 16149 23756 282592 396271 128 8 24781 44289 831319 544601 128 16 30738 62254 1185654 883293 128 32 40406 96894 992724 969421 128 64 45567 131014 1827299 1911894 128 128 48687 149679 1373754 1603529 256 4 25293 29057 481109 476624 256 8 33028 45567 624339 672010 256 16 45681 82928 1321031 790209 256 32 55724 108144 1178892 1375171 256 64 66771 110016 1561112 1354356 256 128 55146 145635 1534342 1463250 256 256 73203 196303 1718521 1729594 512 4 23557 25736 333988 414587 512 8 35952 53052 657969 613075 512 16 47873 66303 1112797 721163 512 32 60699 85319 990168 1060063 512 64 62378 108657 1276132 1135750 512 128 78865 164787 1414860 1705969 512 256 108607 192914 1992458 2032051 512 512 100907 186659 2196227 2207515 1024 4 22435 26044 383075 372219 1024 8 34875 38304 531633 544093 1024 16 61925 71264 844833 1006836 1024 32 79177 100146 967813 1041505 1024 64 79108 135339 1146913 1296083 1024 128 112343 162744 1312720 1659694 1024 256 100048 186999 1703807 1670669 1024 512 130115 235989 1646334 1816203 2048 4 26323 27311 380038 419516 2048 8 39644 49584 662149 522190 2048 16 64626 82888 915887 1101159 2048 32 93944 120782 1249480 1196902 2048 64 98937 154894 1343897 1287304 2048 128 124098 181933 1607456 1496033 2048 256 126757 215850 1639674 1695335 2048 512 151683 233760 1759581 1699696 4096 4 27707 28827 390204 431331 4096 8 43705 51953 677257 630342 4096 16 66120 88869 969912 1200063 4096 32 93723 116875 1180438 1205113 4096 64 119135 135176 1361341 1406133 4096 128 141691 182718 1734848 1642936 4096 256 147603 213733 1708792 1804265 4096 512 159608 205447 1682848 1680707 8192 4 25612 25305 416114 411573 8192 8 42246 48868 539977 718720 8192 16 69977 74495 1011746 866776 8192 32 97163 119785 1224125 1223036 8192 64 102252 153414 1437717 1383086 8192 128 126662 179251 1470450 1685225 8192 256 159959 180791 1555949 1588169 8192 512 166789 202111 1466559 1665054 16384 4 25084 26435 421856 435490 16384 8 45891 42495 517907 639252 16384 16 68287 76068 856864 866195 16384 32 97189 108529 1213357 1239331 16384 64 128063 136940 1449264 1427527 16384 128 137826 167606 1423211 1492447 16384 256 145414 177114 1669942 1714566 16384 512 166504 211564 1866068 1727539 32768 4 26375 24814 356331 357479 32768 8