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 15:47:52 2024 Auto Mode Machine = Linux oleg324-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-oleg324-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 17602 35205 551422 651849 64 8 20854 50592 640954 610350 64 16 25973 75364 1452528 1204796 64 32 34044 161241 1690338 1780008 64 64 29105 150907 2006158 1421755 128 4 24498 39665 566435 428193 128 8 28914 49003 1032829 1102844 128 16 41317 88274 1504659 1598754 128 32 51224 138518 1705404 1939522 128 64 49984 172527 1663139 1598754 128 128 47871 234461 2511022 2409592 256 4 23323 30839 544823 338207 256 8 43559 46268 584570 633548 256 16 52598 103345 1112909 1137672 256 32 64162 157237 1180188 1280084 256 64 86719 195873 2350543 1610276 256 128 76894 224782 2049885 2441400 256 256 99690 237511 2692393 2049885 512 4 32221 37677 420349 518740 512 8 42184 68540 1028091 1064266 512 16 67797 99127 1145443 942786 512 32 91738 98464 1580419 1361920 512 64 100689 129227 1803387 1537424 512 128 115110 256116 2024389 1815584 512 256 109852 202845 1707325 1662389 512 512 89981 225343 2317080 2613128 1024 4 31633 31953 521119 555277 1024 8 52410 57641 745808 781641 1024 16 86121 103841 1270397 1055584 1024 32 97522 147975 1505523 1314729 1024 64 109566 131906 1396825 1872419 1024 128 139947 203574 1980337 1774189 1024 256 127236 159926 1592612 1750329 1024 512 123685 214589 1958662 2421329 2048 4 28830 35420 594467 539812 2048 8 54552 54878 966920 755105 2048 16 69051 100600 1012390 1381950 2048 32 110720 148761 1536439 1682715 2048 64 128649 148363 1699359 1665101 2048 128 157032 213071 1686680 1686680 2048 256 167940 200041 1896314 2050198 2048 512 174834 270116 2243502 1963949 4096 4 30641 32856 471032 436815 4096 8 50772 62401 850707 835401 4096 16 66921 94414 1276383 1078473 4096 32 104797 121029 1321344 1503602 4096 64 163774 188721 1608781 1742237 4096 128 151183 221547 1857522 1585179 4096 256 170325 237353 2114496 2299600 4096 512 155322 197311 2119975 1932101 8192 4 29574 35756 389077 488551 8192 8 49598 56732 866230 1001484 8192 16 75666 90744 1181607 1185889 8192 32 107462 122068 1557078 1494564 8192 64 136969 154550 1760520 1671778 8192 128 166724 186622 1883158 1888851 8192 256 168154 194164 1966469 1897614 8192 512 189782 198493 1983955 1938839 16384 4 28577 31592 510357 400743 16384 8 48657 55204 750599 941713 16384 16 78416 88187 1138403 1102708 16384 32 108881 116119 1202760 1272941 16384 64 136058 149011 1471515 1690440 16384 128 153662 168025 1795329 1841762 16384 256 171782 223880 1926598 2003903 16384 512 165201 219186 1889984 1918316 32768 4 28412 31908 459700 509752 32768 8 47936 49574 785765 905945 32768 16 63774 87967 1124660 1070115 32768 32 96828 122461 1357142 1430421 32768 64 118608 150871 1487147 1586582 32768 128 142842 159129 1526644 1454091 32768 256 149603 208315 1633828 1602977 32768 512 151111 206416 1684655 1665224 65536 4 26728 30343 460968 499512 65536 8