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: Wed May 29 12:27:31 2024 Auto Mode Machine = Linux oleg303-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-oleg303-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 11911 20454 349613 355635 64 8 21606 41292 620221 447537 64 16 28457 75577 926260 780776 64 32 22316 48482 1232453 1163036 64 64 20421 131469 1599680 1330167 128 4 12545 22722 373136 312897 128 8 17669 38472 597981 393656 128 16 21857 54121 158005 889145 128 32 35906 103727 1266785 237995 128 64 19581 135306 1278855 1111981 128 128 48012 196310 1727352 1217930 256 4 18734 18884 223008 250242 256 8 32512 46563 658411 613985 256 16 49354 75319 192192 861885 256 32 61241 94813 1532153 1190657 256 64 42867 144888 1325925 600928 256 128 45738 166890 1686137 1897721 256 256 24256 191746 395659 2563818 512 4 23926 19147 199843 226651 512 8 38676 38320 191196 537165 512 16 37304 72695 767559 228582 512 32 74441 107974 1216149 935801 512 64 93260 175093 1917728 1333173 512 128 72905 231564 1187895 1589779 512 256 83768 220598 319195 568899 512 512 64048 215398 2047551 1475116 1024 4 25696 23919 106214 350329 1024 8 39164 47334 351994 624831 1024 16 57657 68623 816563 348792 1024 32 80175 100057 974400 1132697 1024 64 85433 101006 1316341 1291406 1024 128 132676 161849 1057663 1499217 1024 256 131857 183814 1802483 1687075 1024 512 59978 132815 499077 1831694 2048 4 26394 24874 340144 348960 2048 8 41175 40815 508316 429995 2048 16 59097 68808 731443 852615 2048 32 83721 108721 1470172 1033835 2048 64 55429 114598 1339288 1389551 2048 128 106212 141456 584476 1076728 2048 256 117048 157721 1112569 1716680 2048 512 103361 182757 1508115 1787035 4096 4 25625 27266 249468 262497 4096 8 43831 47516 523651 669055 4096 16 56362 72925 614185 891589 4096 32 78148 101003 1064177 906598 4096 64 94907 83533 1231902 1258800 4096 128 102063 103163 1529573 1647663 4096 256 124882 181609 1675299 1305678 4096 512 123952 186028 1560982 1771703 8192 4 25210 25828 288766 273284 8192 8 40045 44710 659473 558760 8192 16 61064 74743 753010 856172 8192 32 75346 88270 975026 909931 8192 64 90878 110119 1162616 1248182 8192 128 112946 134956 1211821 954336 8192 256 128586 152517 1202406 1466559 8192 512 116409 180047 1582682 1576293 16384 4 23462 26496 269566 340772 16384 8 37562 46849 531293 538664 16384 16 56466 68398 794299 855211 16384 32 105542 108759 1110172 901406 16384 64 126834 149615 1319174 1147566 16384 128 142100 155765 1415355 1669780 16384 256 144413 168324 1534197 1734297 16384 512 127000 177939 1533649 1324615 32768 4 26192 27842 311110 382223 32768 8 44069 44024 496019 504185 32768 16 66773 74676 587093 610832 32768 32 87211 111922 851733 932283 32768 64 115640 142877 917692 1373238 32768 128 124849 185555 1293801 1415527 32768 256 159606 175883 1643912 1229341 32768 512 159117 220784 1591524 1725540 65536 4