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: Thu Apr 4 20:12:52 2024 Auto Mode Machine = Linux oleg459-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-oleg459-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 12660 32820 555990 361380 64 8 17956 42135 410573 488236 64 16 21917 62068 754443 614542 64 32 20189 110521 1087638 1124074 64 64 24625 140703 1722886 1484662 128 4 18829 28731 559353 509943 128 8 22322 46579 485063 612303 128 16 37187 67228 1015251 1319723 128 32 43941 85970 1185654 1622919 128 64 39334 151838 1749872 2004703 128 128 43655 156303 1710838 2286447 256 4 23642 21322 342631 588736 256 8 32273 42357 669913 362040 256 16 39905 60360 729540 1040643 256 32 54076 113015 521283 589706 256 64 57141 116208 1610276 1924938 256 128 65809 163261 1376935 1471270 256 256 62730 199069 2223962 2065659 512 4 22293 27572 300481 300103 512 8 37722 52615 672600 527792 512 16 56084 90795 918982 714207 512 32 65724 119985 1005938 873740 512 64 82330 151478 1289156 1270846 512 128 71950 160958 1254513 1467055 512 256 101383 139394 1655979 1895721 512 512 108498 199065 1427083 2014892 1024 4 25607 29336 311730 308883 1024 8 41955 45093 569790 601636 1024 16 66844 81540 868405 1220575 1024 32 88834 119514 1081363 1054547 1024 64 76319 115171 1099918 1350701 1024 128 111110 141730 1367473 1508167 1024 256 129456 142657 1548960 1475525 1024 512 116206 161108 1466957 1718120 2048 4 26175 31471 429071 416182 2048 8 42989 38291 528650 566550 2048 16 73007 70745 760790 762749 2048 32 99057 116922 1136414 1424106 2048 64 116816 140407 1357275 1244953 2048 128 111231 151109 1436971 1507057 2048 256 105117 170740 1617749 1407538 2048 512 131889 218758 1635615 1671907 4096 4 19318 27788 488956 339833 4096 8 43916 52060 654850 723307 4096 16 71050 99090 959243 966474 4096 32 65726 117232 945986 1206806 4096 64 131417 165221 1497573 1501499 4096 128 127462 201059 1531755 1255213 4096 256 112369 194843 1572412 1588257 4096 512 152318 187340 1673830 1828656 8192 4 28287 30636 469807 420947 8192 8 37436 42229 737146 699637 8192 16 72068 67538 849609 928797 8192 32 80680 105963 1342974 1327922 8192 64 119572 131627 1273063 1155889 8192 128 131770 168421 1420011 1469947 8192 256 146646 171112 1630602 1486739 8192 512 149979 172608 1541638 1717402 16384 4 25600 26825 429328 451526 16384 8 42115 41459 690025 537354 16384 16 60794 68348 947765 774768 16384 32 83151 102849 787130 1285225 16384 64 101834 129508 1421591 1298877 16384 128 127147 151444 1639034 1530507 16384 256 127757 166257 1658336 1527513 16384 512 121794 167320 1661463 1720446 32768 4