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: Mon Dec 2 13:32:22 2024 Auto Mode Machine = Linux oleg255-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-oleg255-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 15492 30605 463774 363829 64 8 16626 45809 866463 582535 64 16 26447 63417 866463 718114 64 32 28624 110749 1183548 1070292 64 64 27948 133033 1599680 1526887 128 4 19070 29337 486822 493989 128 8 26127 40263 805138 587511 128 16 39014 70801 1000121 744820 128 32 46563 91245 1206978 1254941 128 64 39000 123310 1406136 1487977 128 128 37504 167363 1471662 1939522 256 4 24551 28975 459687 483927 256 8 35021 53690 530031 573946 256 16 45738 87219 1190657 1158540 256 32 56067 99838 1173737 987979 256 64 69341 169874 1766587 1224606 256 128 60547 143092 1718521 1652404 256 256 70697 178013 1985448 2030503 512 4 23030 30465 372904 450318 512 8 34951 52277 581216 857687 512 16 54375 77365 1137555 912733 512 32 72880 107064 1402845 1110496 512 64 92768 155718 1293037 1233614 512 128 84057 184368 1354190 1961520 512 256 101787 201267 1778004 1795846 512 512 100788 218622 1992458 2681653 1024 4 24972 29267 286678 364790 1024 8 39680 46322 567306 545544 1024 16 64788 78582 881958 929283 1024 32 83123 118202 1311117 1251882 1024 64 100137 139547 1430318 1573360 1024 128 111099 148169 1751042 1385560 1024 256 129652 163550 1638796 1692394 1024 512 123182 194194 1861867 2295784 2048 4 27944 26487 341048 348662 2048 8 45133 51013 521809 631900 2048 16 60466 89447 1295458 1139731 2048 32 97269 115146 1340333 1173038 2048 64 107574 168881 1546953 1350023 2048 128 124423 174759 1572727 1693663 2048 256 143709 191761 1617749 1793378 2048 512 132283 214048 1856558 1820362 4096 4 25735 29265 412078 447464 4096 8 44115 48417 592515 647788 4096 16 70296 79769 962144 914708 4096 32 95386 108227 1215430 1440683 4096 64 119454 157441 1345140 1091977 4096 128 144765 180264 1557303 1603077 4096 256 139880 178444 1617567 1574718 4096 512 132410 193537 1901520 1700336 8192 4 25960 27260 432411 400137 8192 8 40348 47376 570752 570306 8192 16 67797 76729 973948 869188 8192 32 97116 113058 1266354 1354088 8192 64 113918 135660 1364195 1511128 8192 128 129399 164491 1567806 1517066 8192 256 136233 169705 1592586 1725769 8192 512 139507 197445 1852196 1895834 16384 4 26660 27528 435303 467995 16384 8 45862 48379 803964 680371 16384 16 70372 76005 970794 874941 16384 32 91134 106091 1165629 1200742 16384 64 110378 135066 1392384 1417428 16384 128 124818 156091 1642010 1571132 16384 256 136388 179354 1686665 1695529 16384 512 135780 187685 1686458 1757944 32768 4