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 13:17:36 2024 Auto Mode Machine = Linux oleg243-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-oleg243-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 7933 25734 489126 576282 64 8 7110 44232 1033216 1105556 64 16 5994 34935 904414 1255511 64 32 10512 76743 1101022 1421755 64 64 5723 98155 1780008 1734015 128 4 9234 19900 474349 748976 128 8 15130 42868 348661 848397 128 16 13868 58746 179507 948860 128 32 19890 85437 1306873 1196221 128 64 16784 97034 1622919 544601 128 128 11276 74329 1939522 1939522 256 4 12409 24210 456172 650041 256 8 13459 40861 515032 921029 256 16 13235 70484 1147398 937924 256 32 35554 63982 1413179 1415041 256 64 29438 103475 1180188 1439707 256 128 24861 128779 1673001 1683493 256 256 27750 158513 2114473 2000242 512 4 10913 17412 790153 625941 512 8 20895 25655 787545 1071167 512 16 34851 46672 982917 287642 512 32 43225 74864 1365383 1533034 512 64 35686 107996 1556366 1286838 512 128 52044 118163 1426135 1580419 512 256 60236 72511 1712772 1954379 512 512 43086 156615 1815584 2178404 1024 4 17298 23798 699870 422616 1024 8 30357 36688 542992 743098 1024 16 43944 66171 924084 757916 1024 32 43084 93007 979064 1577404 1024 64 56550 104012 817185 794951 1024 128 76344 123327 1799462 1585557 1024 256 48783 131651 1066594 1565902 1024 512 73913 170754 1741104 849008 2048 4 18692 22278 673889 812686 2048 8 36436 35622 966485 943347 2048 16 45657 67969 1019963 639807 2048 32 56423 104998 1142916 1207671 2048 64 80270 82159 1325442 1349174 2048 128 68200 94985 1436971 1010841 2048 256 78162 103276 1573015 1220368 2048 512 76557 157816 897420 1227869 4096 4 23456 26442 638685 789523 4096 8 39290 46158 903404 1300736 4096 16 59107 65766 827474 814489 4096 32 76753 94254 1430725 1497051 4096 64 92325 120375 1496529 1221913 4096 128 85641 158232 1606825 1117258 4096 256 93644 129047 1615134 1405673 4096 512 113977 162270 1434667 1533395 8192 4 21982 24073