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: Sun Aug 4 14:17:38 2024 Auto Mode Machine = Linux oleg245-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-oleg245-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 8597 24168 496362 451299 64 8 20086 55315 470274 889431 64 16 18135 73326 877797 1066042 64 32 20592 91528 1638743 1143223 64 64 23808 91155 2067979 1780008 128 4 14934 23104 411456 350711 128 8 21015 32063 508012 518312 128 16 37316 75384 1152564 1093856 128 32 38532 135751 1663139 1618028 128 64 43405 140036 1346196 1254941 128 128 50932 180776 881842 2098744 256 4 20221 30160 556687 439193 256 8 34399 47548 591330 727070 256 16 33023 58810 1163562 1201314 256 32 55316 122603 1570244 958864 256 64 68759 153857 1911233 1952947 256 128 74180 173189 1447470 2081678 256 256 74701 232069 1938842 1956506 512 4 24719 24317 280834 322793 512 8 41081 45261 573916 530137 512 16 58904 87073 1015932 1191189 512 32 70271 122372 988345 1383861 512 64 96821 154308 1695195 1329871 512 128 95986 166345 1910902 2105777 512 256 109964 207791 1770674 2032051 512 512 115129 231764 1977778 1954379 1024 4 20355 29543 424873 413064 1024 8 38587 48265 597119 651363 1024 16 60019 85135 993330 1270773 1024 32 76440 112625 1261072 1301187 1024 64 109142 170666 1542286 1535119 1024 128 129816 196432 1783768 1568189 1024 256 117564 229238 1406431 1399100 1024 512 140870 234482 1589665 2202766 2048 4 28360 29252 471564 533741 2048 8 42861 48244 679755 695664 2048 16 69812 82288 1073902 1115459 2048 32 86119 88014 1200582 1300164 2048 64 114170 153053 1605053 1451540 2048 128 130580 134533 1563282 1854954 2048 256 158220 231099 1846580 1768638 2048 512 163549 238670 1639674 1292923 4096 4 29361 32050 506425 476229 4096 8 45529 51518 682450 842447 4096 16 72480 85393 1180438 1146715 4096 32 99417 124695 1453604 1048908 4096 64 94048 130363 1232963 1380485 4096 128 142891 144607 1390316 1396986 4096 256 169410 241878 1798034 1652894 4096 512 182774 226397 1757925 2131020 8192 4 25454 28867 449195 374114 8192 8 49521 53162 849525 851377 8192 16 79093 91696 1048774 1172775 8192 32 82619 102448 1342921 1222339 8192 64 130037 150422 1232247 1453777 8192 128 155455 161673 1608466 1384981 8192 256 164693 184563 1714916 1833516 8192 512 156650 180782 1757189 1800088 16384 4 31939 32133 392517 442692 16384 8 50366 52719 763644 807611 16384 16 76060 85928 911437 1073728 16384 32 112342 112662 1228102 1128995 16384 64 133149 154225 1610381 1658136 16384 128 156225 186105 1719370 1478575 16384 256 161758 203048 1722257 1728452 16384 512 150824 183401 1850241 1663192 32768 4