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 May 8 18:08:55 2024 Auto Mode Machine = Linux oleg323-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-oleg323-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 23197 35854 380864 481234 64 8 28777 55361 659861 592827 64 16 39068 86125 1143223 1279447 64 32 37692 89009 1421755 1648808 64 64 47834 156905 1255511 2052169 128 4 18896 39277 553586 518312 128 8 44304 62992 511887 895074 128 16 56561 97192 841746 795593 128 32 64382 152225 990891 1377278 128 64 74764 206742 1504659 1504659 128 128 70838 236631 1316487 2238774 256 4 24612 30892 500857 396243 256 8 46587 70660 668246 673696 256 16 64777 98266 1138879 1354356 256 32 88302 103895 1267990 1432026 256 64 110628 170116 1260547 1455317 256 128 117376 165246 1985448 1924938 256 256 111155 288577 2285501 2285501 512 4 28469 35736 364672 402165 512 8 48794 53365 685482 645703 512 16 84334 86355 927716 1286838 512 32 111350 163160 1044594 1145443 512 64 102418 165537 1514652 1650887 512 128 138076 195852 1803387 1999881 512 256 158910 234318 1834193 1560891 512 512 122777 273188 2360376 2381315 1024 4 28517 33834 456726 440247 1024 8 50962 60677 483025 803728 1024 16 75089 86669 847667 1217461 1024 32 113904 153064 1299612 1324868 1024 64 147295 183578 1221964 1448162 1024 128 159103 243123 1414304 1554004 1024 256 142814 262371 1587902 2039583 1024 512 202051 236275 1633188 2369237 2048 4 31726 28688 515484 499623 2048 8 49601 60478 846648 612787 2048 16 78757 91653 969211 1061166 2048 32 104928 153236 1407538 1127168 2048 64 132385 183707 1422220 1693997 2048 128 133307 167979 1586379 1969352 2048 256 191727 259109 1646588 1867050 2048 512 177346 238418 1853353 1758140 4096 4 30783 35260 350954 303537 4096 8 51551 62915 751006 804722 4096 16 87154 95125 1030165 797031 4096 32 112317 120078 1004153 944010 4096 64 161191 176573 1499795 1572412 4096 128 176895 224181 1565819 1915086 4096 256 176202 241895 1539303 1701009 4096 512 167306 244334 1956079 1939517 8192 4 30816 33181 488114 418965 8192 8 55185 59224 672470 708831 8192 16 88727 98757 1180592 1193842 8192 32 110431 129924 1197294 1394367 8192 64 142636 210083 1539014 1697464 8192 128 156527 235625 1785867 1333333 8192 256 202221 239204 1654630 1554752 8192 512 198411 274946 1677737 1936217 16384 4 31564 34535 461704 461338 16384 8 50378 57853 667161 714148 16384 16 79689 92597 1101965 884570 16384 32 120915 134117 1423476 1417662 16384 64 144382 178087 1462869 1494070 16384 128 191004 208928 1563981 1669983 16384 256 193048 252077 1838018 1872679 16384 512 194438 280341 1994655 2006888 32768 4 30967 32003 486656 506861 32768 8 50418 58259 609375 798711 32768 16 84334 95150 741543 924184 32768 32 101374 152616 809942 979965 32768 64 124336 172663 1166201 1257886 32768 128 182543 231606 1506150 1761139 32768 256 214871 296063 1633012 1679817 32768 512 198560 297728 1783304 1611321 65536 4 30998 34150