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 May 29 13:15:07 2024 Auto Mode Machine = Linux oleg356-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-oleg356-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 12321 29836 727850 528618 64 8 19167 14739 1002351 818885 64 16 7237 41109 1232453 1183548 64 32 13992 101880 987600 128265 64 64 17043 71491 1828508 1879725 128 4 16210 26495 841746 962469 128 8 27995 50653 1319723 1040839 128 16 31173 81063 1319723 1471662 128 32 17402 113990 1579934 1487977 128 64 28107 154592 1658003 1755594 128 128 69634 136199 1755594 2558895 256 4 14044 22444 733527 775933 256 8 42383 53838 1048775 1032636 256 16 55991 94779 717355 1019886 256 32 49220 126370 1534342 1168627 256 64 50956 162127 1683493 1740810 256 128 85050 153835 1802167 1660068 256 256 64212 199365 1642294 2350543 512 4 19370 25802 593915 687237 512 8 38437 40969 1137555 1034032 512 16 45828 44747 1218910 1293037 512 32 62860 89104 1410215 1069035 512 64 114131 105414 1451192 1438555 512 128 94707 112082 1447280 962649 512 256 76268 165168 1910902 2405320 512 512 111960 126853 1961520 2225819 1024 4 27737 29849 817963 1019987 1024 8 36923 45675 1114185 939446 1024 16 44519 91804 1328146 1251882 1024 32 80884 90323 1389145 1406431 1024 64 106946 186820 1450117 782210 1024 128 148919 169341 1537868 1664841 1024 256 52952 187342 2137006 1917562 1024 512 99543 95754 2509027 1715375 2048 4 25700 27661 913064 912676 2048 8 41881 41508 787142 1041733 2048 16 68046 60711 336401 881941 2048 32 83404 124091 1416357 1544450 2048 64 110368 128007 1477760 1710867 2048 128 125652 191706 1519319 2003807 2048 256 140999 194435 1788524 1713940 2048 512 120854 123381 1795252 1917907 4096 4 28724 29256 815610 716968 4096 8 54369 50168 1276383 1067218 4096 16 70435 87882 1117549 946194 4096 32 87121 106183 1458169 1311159 4096 64 105044 115915 1432156 1314570 4096 128 119790 110625 1622149 932633 4096 256 72647 166288 1705230 1525634 4096 512 116017 174841 1729608 1614527 8192 4 30491 32166 854405 760208 8192 8 48707 59451 1080161 895979 8192 16 66935 77364 964678 1200306 8192 32 97644 94755 1288048 1281180 8192 64 110328 142412 1573550 1543369 8192 128 125955 162856 1455871 1750832 8192 256 99165 149059 756559 1078466 8192 512 100290 176688 1713804 1457662 16384 4 25486 32361 572706 821916 16384 8 49174 53177 1136915 1127513 16384 16 78581 80981 1336699 1221683 16384 32 85875 114332 1303089 1527207 16384 64 123869 153382 1632842 1468370 16384 128 125724 181411 1706476 1640873 16384 256 150367 176401 1687493 1752073 16384 512 163840 188690 1457501 1647482 32768 4 28454 33032 763469 835110 32768 8 48274 54211 832626 1076864 32768 16 72834 77347 1216200 1339211 32768 32 100425 110651 1194168 1188149 32768 64 111472 132959 1525729 1185137 32768 128 122330 156931 1671238 1690374 32768 256 146264 198172 1768572 1800451 32768 512 155115 166281 1465393 1482432 65536 4 30714 32220 768758 869223 65536 8 49170 56643 1138867 1163697 65536 16 78982 85646 1397562 1394202 65536 32