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 Jan 15 18:45:06 2025 Auto Mode Machine = Linux oleg224-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-oleg224-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 17967 28382 1210227 1105556 64 8 31232 64191 1421755 818885 64 16 35816 82372 1045286 1304314 64 32 34971 114872 1991276 2358717 64 64 49004 114285 1599680 2662899 128 4 23293 33861 722760 677178 128 8 37381 61421 1065630 836500 128 16 52053 103129 1939522 1421023 128 32 57242 132240 2004703 236631 128 64 65338 151324 1471662 1663139 128 128 84535 234461 1997245 1732927 256 4 23800 33208 731528 735537 256 8 39764 46741 947860 999940 256 16 39573 87461 1256123 1292410 256 32 84734 140361 1445521 1430119 256 64 100117 166761 1642294 1514860 256 128 61791 211042 1924938 1755037 256 256 104951 279488 2305128 2114473 512 4 32684 35846 737762 901619 512 8 50211 63976 1264113 1193838 512 16 73711 111114 1329871 1347393 512 32 99665 153613 1778004 1677976 512 64 140003 213429 1683237 1459080 512 128 146208 190839 1718254 1556366 512 256 165690 270743 2427068 2402629 512 512 154452 270777 2370799 2256220 1024 4 32136 33615 787084 873705 1024 8 55752 64196 1091809 1416636 1024 16 84412 99118 1499741 1306332 1024 32 96339 132402 1452570 1512415 1024 64 104391 169930 1544504 949834 1024 128 116376 213331 1947119 1625154 1024 256 174119 277653 1741810 2031864 1024 512 179459 271905 2077065 1815435 2048 4 31841 37926 801538 830522 2048 8 51849 61813 1042745 1029128 2048 16 86688 90816 1630647 1480817 2048 32 101151 133908 1544450 1306890 2048 64 129908 158908 1608660 1612586 2048 128 160251 164773 1835140 1667687 2048 256 169340 210719 1793378 1467159 2048 512 179207 264535 1963500 1812679 4096 4 32166 33763 1062531 1116968 4096 8 56838 61411 1189016 1319214 4096 16 89326 93860 1474438 1599346 4096 32 115224 136769 1572268 1699495 4096 64 131886 178187 1835886 1565106 4096 128 177731 196771 1686979 1606976 4096 256 167435 207707 1746666 1838440 4096 512 163206 229856 1772435 1789419 8192 4 33027 36697 936748 1106707 8192 8 56014 61435 1278606 1239716 8192 16 90367 92142 1449117 1184663 8192 32 114226 136456 1504774 1654630 8192 64 145832 179388 1668774 1661672 8192 128 167999 199653 1765949 1954611 8192 256 174852 259724 1741867 1841377 8192 512 175582 268572 1918487 2016202 16384 4 35447 37905 911945 929749 16384 8 62723 67820 1413637 1393542 16384 16 93784 105028 1587905 1662991 16384 32 124264 160101 1718124 1521965 16384 64 149822 209688 1902226 1944424 16384 128 183149 262601 2074437 1994192 16384 256 211797 278167 2032771 1950938 16384 512 207395 274058 1978062 1985951 32768 4 34099 40335 927383 1044069 32768 8 59468 62762 1266440 1239240 32768 16 82790 99400 1508034 1443977 32768 32 125027 148008 1742340 1835436