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 Apr 17 04:50:52 2024 Auto Mode Machine = Linux oleg217-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-oleg217-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 24390 39505 877797 852702 64 8 18524 54418 1124074 955947 64 16 35835 73047 633392 1638743 64 32 42861 95944 1279447 1599680 64 64 42985 171655 2067979 1780008 128 4 28699 40415 695603 1102844 128 8 34744 50797 927549 1152564 128 16 55314 87913 1332828 1391557 128 32 64482 147136 1852520 1618028 128 64 72640 145147 1967960 1471662 128 128 59501 165353 2286447 2132084 256 4 30085 39968 782721 687940 256 8 50754 58716 1463250 1481420 256 16 64485 81450 1579483 1117543 256 32 60164 151128 1525622 1581810 256 64 90421 161810 1506359 1778290 256 128 82311 230624 1325925 2135500 256 256 103976 214928 2097948 2692393 512 4 27556 31301 869494 946526 512 8 57840 65540 887461 1077618 512 16 76203 109891 1174254 1312798 512 32 92536 129852 1510391 1505098 512 64 113829 156239 1411141 1734911 512 128 125644 194029 1329871 1501940 512 256 124637 261479 1795846 1736314 512 512 129064 248672 2007358 2205248 1024 4 27674 31746 776975 815943 1024 8 58397 65144 1462960 1281771 1024 16 74510 121269 1322828 1523683 1024 32 93269 118355 1657133 2155236 1024 64 137062 184477 1490373 1851434 1024 128 138472 212099 1648862 1544504 1024 256 161922 241333 1614767 1462960 1024 512 152607 222654 1703807 2142335 2048 4 29317 32771 942415 739058 2048 8 51037 55673 941692 1160362 2048 16 79223 95349 1019963 1196902 2048 32 103811 132864 1761024 1251847 2048 64 152085 184136 1858164 1681397 2048 128 162126 185745 1850160 2016035 2048 256 154451 229826 1543340 1678440 2048 512 178663 227862 1905146 1520394 4096 4 30811 32568 901035 983459 4096 8 49685 58153 1127154 1220871 4096 16 74558 89806 1336351 1042480 4096 32 110870 128695 1643093 1644351 4096 64 119423 151597 1352233 1747376 4096 128 156862 184033 1379598 1392231 4096 256 145443 222390 1669114 1672526 4096 512 147127 210646 1603675 1472290 8192 4 31814 30976 850871 811580 8192 8 48484 57549 1050248 1040768 8192 16 76093 87219 1236148 1143198 8192 32 106057 124771 1569955 1427444 8192 64 118704 160803 1644651 1543023 8192 128 148435 199255 1426673 1537224 8192 256 149745 203385 1588536 1673162 8192 512 163853 225351 1743723 1852096 16384 4 30386 31159 717525 804283 16384 8 48291 53057 1177776 1225256 16384 16 89293 90810 1451192 1306955 16384 32 110686 127358 1543917 1349350 16384 64 132185 166585 1441360 1491897 16384 128 137965 187975 1631059 1714694 16384 256 148368 223568 1673358 1619298 16384 512 170862 221014 1760241 1824743 32768 4 29019 33075 847306 750094 32768 8 50432 62973 1378016 1451771 32768 16 90025 100532 1312081 1278658 32768 32