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 20 19:52:50 2024 Auto Mode Machine = Linux oleg302-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-oleg302-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 25167 33542 842003 1163036 64 8 36868 66447 852702 942521 64 16 45230 105111 1679761 1734015 64 32 47723 174444 2006158 1562436 64 64 41774 210569 2298136 2379626 128 4 30345 40945 962469 895074 128 8 50335 81162 876086 1622919 128 16 44754 97492 1409828 1684006 128 32 59893 158424 1827299 1878447 128 64 73145 166481 2058509 1911894 128 128 80408 265015 1778862 2248149 256 4 25127 40384 937924 984356 256 8 35724 66232 1312954 1340826 256 16 78410 113565 1775350 1839210 256 32 86810 147394 1332507 1718521 256 64 104962 208299 1463250 1652404 256 128 117531 163784 1755037 2350543 256 256 111652 288577 1924938 2413957 512 4 34865 35131 675350 821907 512 8 40258 71971 1267097 1454140 512 16 81283 128194 1510391 1180062 512 32 109684 159595 1904125 1505098 512 64 98252 206195 2007358 2178404 512 128 133576 246050 2049505 2081286 512 256 110919 304962 1889050 2275345 512 512 89400 311599 1931527 2253852 1024 4 29828 30457 1040748 1033237 1024 8 59788 75378 1347311 1481633 1024 16 81244 110510 1213334 1888889 1024 32 129554 172503 1783768 1977602 1024 64 142980 228009 1450607 2146618 1024 128 153294 171813 1448650 2056183 1024 256 168418 260225 2077065 1976691 1024 512 186415 222955 2015654 2188177 2048 4 35834 35577 1094565 839368 2048 8 46397 79015 1227869 1303716 2048 16 93417 92007 1680082 1723915 2048 32 115011 178381 1557330 1716680 2048 64 124023 182594 1793378 2245848 2048 128 180105 262369 1978880 2098276 2048 256 185240 282444 1739978 2104960 2048 512 176930 241597 1532875 1860176 4096 4 38043 38289 876353 981773 4096 8 61401 72696 1248736 1254114 4096 16 88131 114679 1421726 1649562 4096 32 133868 162443 1845153 2014570 4096 64 159402 200332 1808444 2122332 4096 128 166362 228980 1626603 1748977 4096 256 157417 247225 1834318 1577755 4096 512 208246 274716 1940393 2000961 8192 4 33254 37115 984638 1008865 8192 8 59575 67159 1337901 917144 8192 16 93687 102054 1565449 1310499 8192 32 131528 144834 1798486 1493784 8192 64 161383 193861 1523523 1801220 8192 128 179244 210424 1865673 1816840 8192 256 184941 239699 1636426 1817225 8192 512 183385 260057 2004908 2006313 16384 4 37320 40203 872696 861677 16384 8 62389 61577 1008729 1030960 16384 16 89539 102929 1451713 1520416 16384 32 117924 151919 1626696 1630092 16384 64 138456 184852 1774284 1819236 16384 128 178884 227268 1766485 1985434 16384 256 197438 249348 1952823 1877386 16384 512 187271 283406 1793736 2016487 32768 4 37878 44877 975908 967690 32768 8 67576 68631 1416198 1042936 32768 16 89337 107815 1454106 1287740 32768 32 119349 153019 1869261 1700812 32768 64 153147 187607 1447536 1769711 32768 128 164726 222033 1639147 1626538 32768 256 196691 247048 1950849 1767435 32768 512 176022 208365 1865632 1954762 65536 4 35862 37181 935255 970443 65536 8 56294 62592 1187481 1188153 65536 16 86954 99300 1327715 1276460 65536 32