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 Jul 29 03:31:47 2024 Auto Mode Machine = Linux oleg335-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-oleg335-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 22223 32538 842003 653436 64 8 30148 60666 1562436 1599680 64 16 41343 83655 1304314 1357066 64 32 44385 108117 2203800 1562436 64 64 49804 159138 2278628 1828508 128 4 27814 36752 597981 948860 128 8 38977 55360 927549 1220700 128 16 53559 97421 1967960 1778862 128 32 56987 147136 1508887 1561553 128 64 80252 225310 1852520 1911894 128 128 81211 208752 1727352 2004703 256 4 29421 31995 701422 972763 256 8 49554 64824 1070737 1202660 256 16 75691 91986 1312954 1126926 256 32 57478 164967 1686137 1532153 256 64 102929 181442 1619994 976301 256 128 123962 238143 1481420 1497953 256 256 134658 267179 2607399 2030503 512 4 30867 37724 760762 1032044 512 8 56324 64908 958781 1091308 512 16 76214 92652 1580419 1375881 512 32 103121 159346 1791352 1610042 512 64 116307 186789 1574625 1657257 512 128 129126 187327 1718254 1772135 512 256 129360 233148 1961520 1645826 512 512 138871 247582 2317080 2509312 1024 4 34223 34544 810706 885778 1024 8 55919 63334 1414304 1122924 1024 16 86230 115889 1439908 1319577 1024 32 115236 146892 1402756 1559081 1024 64 146013 175163 1646334 1651398 1024 128 169789 251538 1871603 1715375 1024 256 168563 251656 1774922 1969440 1024 512 174685 245387 1886400 2068064 2048 4 33318 36682 1062347 995725 2048 8 52881 67178 1212615 1212615 2048 16 80829 98499 1410543 1276781 2048 32 116575 158037 1548906 1765730 2048 64 150158 188013 1662201 1543340 2048 128 164118 219951 1761024 1779262 2048 256 183069 246307 1872340 2500850 2048 512 177145 249578 1928240 2252916 4096 4 33636 37852 854048 868907 4096 8 56286 62983 1205029 1377717 4096 16 88579 100559 1379598 1489523 4096 32 128127 137759 1799729 1860943 4096 64 139567 175491 1710323 2022635 4096 128 166483 233191 1977696 1857522 4096 256 177608 239251 2191364 2004931 4096 512 186149 238931 1982718 2037749 8192 4 33244 37916 925021 914289 8192 8 57909 65016 1242540 1234283 8192 16 89012 98519 1424958 1493005 8192 32 115728 147021 1703861 1669179 8192 64 152594 185507 1708776 1657264 8192 128 176556 215585 1937527 1786703 8192 256 164148 248085 1824074 1742220 8192 512 183422 246649 2000007 1968722 16384 4 33363 36784 968032 881190 16384 8 55636 64749 1321177 1245644 16384 16 85193 101664 1614504 1565584 16384 32 122151 134816 1497358 1612421 16384 64 147433 181162 1719370 1746107 16384 128 170324 227593 1835367 1694108 16384 256 179800 248687 1882168 1941458 16384 512 190775 241533 1974935 1969219 32768 4 32980 37135 956530 947653 32768 8 58124 66036 1248595 1288911 32768 16 89584 100397 1562395 1486890 32768 32 118301 138642 1454675 1558745 32768 64 144358 186119 1728078 1682387 32768 128 173302 216360 1870966 1856861 32768 256 187855 233239 1968875 1905571 32768 512 190801 274441 1985801 1966256 65536 4 34527 34446 818737 852002 65536 8 58589 58546 1010362 1323425 65536 16