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: Mon May 13 04:07:26 2024 Auto Mode Machine = Linux oleg235-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-oleg235-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 17112 22478 546928 551422 64 8 19030 46742 763021 639427 64 16 22197 60955 727850 1143223 64 32 22245 122360 983980 1255511 64 64 24260 152710 1210227 1679761 128 4 17570 24001 349797 546819 128 8 26829 47532 484625 927549 128 16 35358 72366 695603 673778 128 32 38566 104149 1421023 1359835 128 64 39712 131302 1727352 1802755 128 128 48137 131431 1406136 1885042 256 4 19167 23967 359495 394351 256 8 31864 45501 891956 933846 256 16 45359 73439 844929 814795 256 32 53311 99422 1347557 1610276 256 64 56788 131896 1237306 1497953 256 128 49582 121329 1884399 2081678 256 256 68909 234400 1629830 2285501 512 4 22585 29298 424588 442068 512 8 35400 48420 560144 667375 512 16 51748 69935 782666 730484 512 32 73333 101709 1132755 1009722 512 64 69038 125431 1094088 1242896 512 128 93227 139430 1302447 1467055 512 256 88247 154264 1834193 1961520 512 512 106070 196013 2099600 2116152 1024 4 22350 27767 308152 314792 1024 8 35924 46431 582462 648511 1024 16 63291 76951 928479 906148 1024 32 75919 102532 1055843 1132995 1024 64 105176 108656 1163693 1241031 1024 128 104521 168286 1416169 1535119 1024 256 97356 184969 1605111 1909888 1024 512 102925 177193 1643814 1587902 2048 4 24428 25925 450399 471332 2048 8 38973 43186 652244 664505 2048 16 58173 79862 769100 883937 2048 32 82644 100737 1117927 1092199 2048 64 109912 146339 1335747 1498382 2048 128 123417 176034 1659632 1375312 2048 256 129983 188372 1378181 1753117 2048 512 118649 179192 1784066 1906837 4096 4 22778 24983 478777 391851 4096 8 41357 46188 618630 579758 4096 16 57745 71158 882566 1044127 4096 32 83446 98128 1051283 998086 4096 64 107529 131959 1260370 1491074 4096 128 129858 160118 1436707 1625372 4096 256 134114 186341 1725439 1708792 4096 512 141760 163220 1747376 1695302 8192 4 24822 26168 400198 403208 8192 8 40660 42602 694995 704745 8192 16 67658 59514 801172 902806 8192 32 91024 112286 1247095 1157212 8192 64 102195 142335 1259530 1094719 8192 128 115861 157677 1467060 1457909 8192 256 125505 181951 1639002 1714488 8192 512 125271 171682 1660628 1612239 16384 4 24397 25501 454101 470575 16384 8 45229 50353 732610 785394 16384 16 73238 80264 1066248 1055067 16384 32 98670 116324 1352484 1254513 16384 64 118575 153215 1513951 1451192 16384 128 132397 178488 1614504 1735436 16384 256 150124 177034 1711662 1744822 16384 512 147804 193280 1792566 1787484 32768 4