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: Thu Dec 5 06:20:42 2024 Auto Mode Machine = Linux oleg115-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-oleg115-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 18064 30449 621657 456673 64 8 23888 42468 474430 546928 64 16 25933 68013 1392258 955947 64 32 27442 143180 1210227 614542 64 64 32110 150907 2133730 1452528 128 4 20132 33134 350482 590094 128 8 28932 49155 876086 934004 128 16 44942 77338 927549 1040839 128 32 41355 107464 1266785 1710838 128 64 44304 172971 1521718 2175277 128 128 59128 218080 2211113 2098744 256 4 26514 35625 482189 422432 256 8 37160 43478 921029 622890 256 16 46989 72438 1048775 930608 256 32 63712 139813 1361224 1384034 256 64 76900 186581 1356067 1332507 256 128 77204 173217 1755037 1881098 256 256 84741 242171 1673001 2557711 512 4 24854 33000 479369 550523 512 8 44684 47442 742096 740050 512 16 70601 84683 994294 1057974 512 32 79442 122337 1240025 1809465 512 64 81737 149008 1365383 1492545 512 128 113726 196930 1827947 1823291 512 256 104873 165652 2329648 2135087 512 512 108822 190551 2265742 2452009 1024 4 30549 31039 374948 428604 1024 8 51659 54477 814705 864212 1024 16 73410 80542 1236742 1096548 1024 32 99543 116455 1210598 1414304 1024 64 113023 160530 1633188 1535119 1024 128 113991 206988 1659694 1561348 1024 256 145371 187064 2043465 1780809 1024 512 142421 246570 2056183 2023250 2048 4 29104 32390 529073 507445 2048 8 37319 52037 679056 745796 2048 16 66002 83116 1022026 1208181 2048 32 100946 117317 1367213 1365257 2048 64 114895 171524 1598780 1677457 2048 128 132737 200489 1671907 1837102 2048 256 143467 178489 1751687 1804681 2048 512 139594 214091 1747411 1836709 4096 4 27413 30352 470799 458927 4096 8 47677 48668 587068 718077 4096 16 69302 83687 1041405 1012080 4096 32 104428 121806 1266970 1260648 4096 64 131704 148191 1427159 1371777 4096 128 129379 191581 1708792 1887523 4096 256 146358 183907 1713052 1729086 4096 512 149162 184280 2011975 1878031 8192 4 26434 29783 483587 501867 8192 8 43337 45330 697138 663317 8192 16 77263 78195 1053372 1003063 8192 32 98216 119760 1350735 1238777 8192 64 141472 167556 1611332 1486224 8192 128 157626 201977 1826110 1934800 8192 256 161849 205477 1968271 1849206 8192 512 201619 230500 1686300 1672185 16384 4 30060 31804 535007 500211 16384 8 50589 57172 800694 848872 16384 16 81924 80757 1212993 982607 16384 32 103351 121758 1386708 1381079 16384 64 137155 134256 1388221 1402501 16384 128 146326 169494 1823097 1892326 16384 256 166449 210913 1859101 1786693 16384 512 188664 240976 1975162 2050054 32768 4 28080 31656 442345 474726 32768 8 46130 50821 675990 630393 32768 16 71779 72527 977532 1018875 32768 32 108839 135187 1356058 1372018 32768 64 137647 153021 1814380 1687510 32768 128 154652 194187 1717390 1759831 32768 256 171198 210004 1814883 1842127 32768 512 158758 192593 1861942 2001709 65536 4