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: Fri Dec 13 13:49:45 2024 Auto Mode Machine = Linux oleg259-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-oleg259-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 13871 27027 410573 351905 64 8 14365 44378 653436 942521 64 16 19144 46516 801764 821391 64 32 17714 120062 424198 1033216 64 64 26423 113898 2358717 1599680 128 4 16006 26386 395104 319222 128 8 29170 42868 650117 561694 128 16 33350 70922 1254941 789741 128 32 35594 119735 907174 881842 128 64 38060 161183 1543594 1406136 128 128 44414 163241 1561553 1852520 256 4 22588 28767 399932 366739 256 8 36498 47293 794889 706964 256 16 49315 72151 826078 882426 256 32 61685 103815 1148625 1243036 256 64 61182 132990 1354356 1304976 256 128 51415 161009 1610276 2000242 256 256 61329 163909 1985448 2000242 512 4 24109 27768 415630 242193 512 8 38994 49888 660600 762924 512 16 54930 80274 944860 909255 512 32 74656 126921 1155924 815044 512 64 85302 161164 1387437 1249404 512 128 90094 172741 1968713 2039772 512 256 104425 190975 1746197 1712772 512 512 87073 163995 2073249 2337255 1024 4 25500 29703 509679 431316 1024 8 41889 41670 605538 742071 1024 16 58941 85141 1037480 1241031 1024 32 72071 111962 1021928 1440391 1024 64 116401 156477 1462960 1638796 1024 128 119166 154080 1400469 1446211 1024 256 121040 193713 1452570 1724328 1024 512 127187 171580 1917562 2129589 2048 4 25225 27836 386502 464928 2048 8 43593 48618 563540 607027 2048 16 66901 81363 1167617 1216221 2048 32 91013 114650 1231389 1219848 2048 64 119842 160251 1382840 1777789 2048 128 137156 182987 1626633 1491617 2048 256 151421 182319 1867050 1818820 2048 512 153247 204923 1802788 1892971 4096 4 27265 27549 420582 399375 4096 8 44106 51141 587410 715356 4096 16 68248 82553 953176 993699 4096 32 96381 114997 1374081 1257602 4096 64 119232 144797 1393247 1316686 4096 128 135903 174461 1495487 1618329 4096 256 121868 162805 1780148 1801994 4096 512 158527 186734 1729783 1787743 8192 4 27283 29930 515186 578809 8192 8 46096 52251 619386 677803 8192 16 70824 76537 954574 1023622 8192 32 100916 111499 1297827 1269864 8192 64 116408 152185 1491126 1369688 8192 128 131786 159077 1667397 1608164 8192 256 146178 177089 1684564 1906882 8192 512 162823 181167 1850500 1954722 16384 4 25457 27585 378908 388918 16384 8 43828 47913 643821 687649 16384 16 67561 74288 1017255 945470 16384 32 96767 107526 1220685 1205672 16384 64 118754 144872 1320847 1451468 16384 128 140877 172252 1653786 1582821 16384 256 153843 171310 1775889 1770901 16384 512 159450 210283 1894517 1939649 32768 4 26069 28522 407343 438814 32768 8 42959 48352 748163 646616 32768 16