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 Jun 19 22:55:55 2024 Auto Mode Machine = Linux oleg155-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-oleg155-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 8632 30563 334788 528618 64 8 19145 42361 383038 929467 64 16 23255 78060 901377 913649 64 32 24961 125039 1679761 1722886 64 64 19931 161629 2006158 2067979 128 4 14937 30835 310006 470606 128 8 18691 36344 680612 640042 128 16 36654 78183 1123617 1162547 128 32 28439 69797 962469 1040839 128 64 23778 88274 1175271 790905 128 128 23992 130188 771581 1123617 256 4 11803 20590 347848 317224 256 8 20269 25615 423766 485678 256 16 24150 37691 651223 479390 256 32 34934 110914 1169901 679237 256 64 45656 105301 1040643 1489641 256 128 54746 135885 1642294 1766587 256 256 69247 217321 2305128 2261434 512 4 20778 23445 358044 316420 512 8 30947 37917 333314 391105 512 16 52904 74940 1204552 1168504 512 32 51685 109027 1667552 1667552 512 64 101025 158558 1556366 1556366 512 128 96712 190197 1574625 1842059 512 256 84724 177833 1518938 1560891 512 512 88501 194981 1619757 2405320 1024 4 21178 23848 432576 373839 1024 8 28070 28553 433187 457553 1024 16 33046 45502 463128 673635 1024 32 60087 125923 1389594 1212991 1024 64 103059 160279 1530742 1612948 1024 128 100195 159974 1906496 1896395 1024 256 135177 230468 2192645 2073055 1024 512 135249 217226 2160657 1729884 2048 4 29390 29201 498550 519914 2048 8 44514 46812 710569 646841 2048 16 53304 75117 921686 1190763 2048 32 96072 125529 1513696 1271301 2048 64 98456 143206 1346425 1693997 2048 128 107965 180045 1575323 1790388 2048 256 135251 176810 2052157 1460673 2048 512 140581 247528 1861789 2035623 4096 4 24970 30071 440240 457900 4096 8 44644 56818 828672 699454 4096 16 66579 65722 802692 870183 4096 32 63174 77487 756695 791487 4096 64 94438 149254 1300736 1623989 4096 128 84366 156916 1420786 1720945 4096 256 84486 181826 1550416 1739239 4096 512 91518 223653 1161994 1169907 8192 4 28569 29856 491486 510342 8192 8 44199 56515 798602 912638 8192 16 63255 69765 889277 732151 8192 32 60980 102815 787998 872898 8192 64 96045 126121 1063215 1096360 8192 128 110962 186725 1568450 1797639 8192 256 95612 202722 1439163 1698890 8192 512 98798 229294 1671534 1722827 16384 4 31177 33203 523801 506789 16384 8 48154 61638 845145 894135 16384 16 75181 86202 1158457 1061750 16384 32 88564 106625 1006822 992069 16384 64 104119 146508 1734516 1822855 16384 128 136076 149970 1494622 1548161 16384 256 162815 197640 1768758 1651124 16384 512 186262 193136 1738553 1843590 32768 4 29238 30229 431373 467692 32768 8 47298 52156 741759 780819 32768 16 72188 83404 1059285 1058404 32768 32 84348 117907 1328839 1338571 32768 64 129241 157990 1306381 1525661 32768 128 147365 188669 1647538 1616970 32768 256 160802 204912 1880180 1761432 32768 512 162365 203372 1771718 1762561 65536 4