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 Oct 16 10:31:55 2024 Auto Mode Machine = Linux oleg148-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-oleg148-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 21404 28032 315136 298990 64 8 17199 32990 831569 161241 64 16 26261 85331 789967 453587 64 32 19207 61783 1049372 1188789 64 64 19429 134702 1484662 1638743 128 4 20129 22187 333293 249034 128 8 30519 56782 576780 595328 128 16 34307 75331 715059 753179 128 32 49268 101491 533241 538051 128 64 44289 136441 1266785 1152564 128 128 56969 189385 2409592 1727352 256 4 23186 27026 332860 474098 256 8 35784 44435 507966 842278 256 16 26688 71751 1213534 669913 256 32 59316 115582 785010 1506359 256 64 76077 145952 1173737 868157 256 128 68361 195126 1479379 1340826 256 256 88367 187690 1718521 1639786 512 4 20090 25034 339265 234318 512 8 39644 51826 497585 500484 512 16 58573 75295 678122 640694 512 32 56423 77237 607353 829847 512 64 71576 135987 1152822 1351633 512 128 73807 163620 1333173 856319 512 256 74711 242658 1402845 521891 512 512 106091 230322 2116152 1772135 1024 4 24275 27103 283818 354317 1024 8 34865 51480 553845 393391 1024 16 71774 92770 813933 705735 1024 32 104022 117754 979064 1049138 1024 64 130412 141571 1241031 1052480 1024 128 115456 211649 1410588 732453 1024 256 152694 207920 1597351 1802483 1024 512 137413 202575 1546729 1499217 2048 4 24905 29419 373316 364353 2048 8 40871 52129 663837 668643 2048 16 68561 76403 663222 893964 2048 32 76489 110083 1045410 508948 2048 64 92573 157877 1402940 1218982 2048 128 149172 202655 1565847 1388428 2048 256 130695 196225 1392253 1533970 2048 512 147858 203558 1675821 1574169 4096 4 24659 28524 388396 411900 4096 8 45416 47676 561859 591129 4096 16 70908 81269 882566 771823 4096 32 94694 104160 1045461 866715 4096 64 114541 154864 1178414 1254480 4096 128 111370 183365 1474944 1504787 4096 256 155557 161833 1341673 1566962 4096 512 150599 192861 1687642 1693297 8192 4 26490 27715 358575 349188 8192 8 43407 44693 631754 605694 8192 16 71389 75292 656562 817158 8192 32 100649 113820 988518 1052694 8192 64 116520 128445 1154956 1276800 8192 128 133674 179944 1320420 1294551 8192 256 157799 190043 1230393 1434716 8192 512 152756 172260 1690781 1581808 16384 4 25876 27731 365135 400774 16384 8 46053 51384 638426 687244 16384 16 71153 81318 795881 797581 16384 32 86877 116295 1169020 1089439 16384 64 131274 152875 1159513 1202234 16384 128 143752 190416 776677 1423830 16384 256 153020 175617 1424568 1267423 16384 512 139326 199546 1290196 1537836 32768 4 26340 28427 332805 350744 32768 8 45238 49861 568740 546973 32768 16 67251 68385 690596 782295 32768 32 93658 111535 852177 998141 32768 64 108560 131683 997743 880337 32768 128 117046 170906 1385140 1299391 32768 256 152158 195767 1429915 768786 32768 512 155802 182852 1402026 1508100 65536 4 26805 27216 344442 374502 65536 8 44300 47163 612955 591960 65536 16 66547 72849 893006 907991 65536 32 99854 108834 1091158 1137246 65536 64 118228 152866 1235501 1171918 65536 128 116333 156875 1334172 1268385 65536 256