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: Tue Apr 16 10:57:08 2024 Auto Mode Machine = Linux oleg132-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-oleg132-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 14825 26325 309326 484710 64 8 17887 33770 374488 533875 64 16 18740 67011 866463 743988 64 32 21776 95535 1562436 913649 64 64 25560 110703 1780008 1947927 128 4 22288 34612 477725 537512 128 8 26149 48723 481150 757430 128 16 31197 51697 826202 1291158 128 32 35822 113388 1067750 1076312 128 64 44539 135306 1579934 1346196 128 128 47285 174376 1598754 1521718 256 4 22301 26843 295975 334206 256 8 28945 50070 668246 717355 256 16 50049 82292 914752 766517 256 32 52212 83005 1003679 1495866 256 64 50754 168646 1817419 2000242 256 128 69674 128965 1924938 2114473 256 256 63054 165272 1332507 1642294 512 4 24725 21402 434994 462839 512 8 44134 36739 704368 610114 512 16 55119 68094 706221 1216149 512 32 70483 118300 1433753 1614885 512 64 93211 179663 1679288 1614885 512 128 95131 193418 1700565 2189509 512 256 97613 158710 1730717 1510391 512 512 104679 211308 2143612 2065273 1024 4 26803 27130 400619 441015 1024 8 42679 50533 811472 865605 1024 16 57557 69925 967813 1013967 1024 32 83680 103026 1299219 1292961 1024 64 104361 138825 1753186 1563622 1024 128 124391 180690 1684429 1838751 1024 256 115562 219457 1657133 2098375 1024 512 116153 229189 1570483 2073055 2048 4 28725 29363 454787 444342 2048 8 50193 51664 484027 533079 2048 16 56691 91514 1066700 1137768 2048 32 97514 117815 1283266 1335955 2048 64 114604 151894 1431225 1651654 2048 128 131984 210394 1502575 1865023 2048 256 137358 192608 1782215 1799389 2048 512 156465 209772 1992189 2135309 4096 4 27265 26804 388695 489248 4096 8 46947 47524 772378 561033 4096 16 73680 85841 828512 848564 4096 32 78057 133668 1364477 1531209 4096 64 113268 167142 1639174 1569825 4096 128 108067 169346 1301524 1269685 4096 256 147337 168704 1609535 1745246 4096 512 163689 226989 1900679 1957863 8192 4 24614 25145 401982 407097 8192 8 42902 41523 735773 649070 8192 16 58823 71387 1005529 986277 8192 32 86254 98726 1182787 1323472 8192 64 111924 143782 1416323 1579046 8192 128 146371 152247 1578103 1519548 8192 256 130853 181262 1536399 1530309 8192 512 153574 170745 1577451 1435975 16384 4 25033 28943 408833 487853 16384 8 39137 45403 727114 652254 16384 16 65445 67940 973738 956565 16384 32 92519 106077 1345836 1270070 16384 64 109488 124602 1395466 1399730 16384 128 124578 155880 1578748 1575238 16384 256 133640 172888 1540146 1498305 16384 512 126104 190113 1602831 1632997 32768 4 24823 28769 455028 467146 32768 8