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 Jan 7 09:56:04 2025 Auto Mode Machine = Linux oleg347-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-oleg347-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 24114 32440 1188789 1119387 64 8 30915 58396 1363961 743988 64 16 33301 100771 1648808 1452528 64 32 39698 116568 1892980 1828508 64 64 39459 190541 1492919 2662899 128 4 21944 37005 921183 942199 128 8 41489 77160 1622919 1663139 128 16 53267 90522 1346196 1579934 128 32 68488 124627 1967960 1642783 128 64 67908 193341 1579934 1802755 128 128 78286 200339 2558895 1749872 256 4 29347 39596 962301 882426 256 8 49662 68817 883152 1274008 256 16 71770 106937 1173737 1673001 256 32 89042 135235 1354356 1729594 256 64 71765 195873 1391207 1729594 256 128 93983 218604 1766587 1855098 256 256 106895 262028 1938842 2310087 512 4 33652 43563 912345 1312798 512 8 58993 73186 1158418 1292259 512 16 79687 102958 1383861 1854787 512 32 105285 157108 1510391 1625889 512 64 115837 213492 1674052 1827947 512 128 139285 225841 1630828 2107844 512 256 152511 237821 1977778 1947291 512 512 162592 264052 2625909 2007358 1024 4 29861 37008 1089317 955965 1024 8 50463 64801 882683 1178380 1024 16 87378 98121 1473500 1395464 1024 32 120795 170497 1422266 1882266 1024 64 145494 199064 1995982 2043465 1024 128 140833 248784 2073055 1664841 1024 256 169508 265698 1729884 1841116 1024 512 174267 270246 2179295 2142335 2048 4 32403 36566 970196 1088876 2048 8 58504 64174 981280 982289 2048 16 89136 108335 1551704 1559876 2048 32 107557 163071 1625402 1813827 2048 64 143096 207833 1573015 1699696 2048 128 180279 235619 1877250 1702391 2048 256 179305 239028 1677130 1758140 2048 512 187927 272594 2221454 2248199 4096 4 34197 36672 979646 925200 4096 8 60111 68728 1342512 1244935 4096 16 90371 85629 1381928 1615741 4096 32 114579 152601 1536412 1611347 4096 64 150400 184179 1563397 1621536 4096 128 156491 209523 1795779 1850719 4096 256 193563 249483 1773166 1775549 4096 512 204964 214125 2041866 2071909 8192 4 36363 39803 941058 1008865 8192 8 56947 68624 1235792 1298269 8192 16 91213 107744 1544201 1516530 8192 32 118817 146217 1728287 1524132 8192 64 161875 178845 1791734 1715944 8192 128 174963 220352 1996057 1829026 8192 256 202758 246545 1969625 2030140 8192 512 202736 258577 1962202 2082937 16384 4 35773 39305 990268 939833 16384 8 60068 70321 1197833 1450181 16384 16 97601 114617 1694317 1492966 16384 32 136656 161202 1826732 1766667 16384 64 166081 207248 1739830 1630246 16384 128 181017 247182 2067136 2020518 16384 256 199316 260721 1969953 1935715 16384 512 196984 260203 2099214 2013474 32768 4 34990 37817 929905 840873 32768 8 55046 62963 1138533 1242444 32768 16 87343 93523 1473642 1503053 32768 32 124534 142326 1399627 1482975 32768 64 160168 191545 1529720 1695107 32768 128 184904 222583 1798543 1542891 32768 256 178302 235847 1966171 1927512 32768 512 193553 268315 2096486 2121599 65536 4 33338 35966 1037189 847233 65536 8 57890 62017 1282152 1322407 65536 16 89210 100476 1468389 1445943 65536 32 122367 147174 1717312 1681058 65536 64