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: Mon Dec 9 23:42:31 2024 Auto Mode Machine = Linux oleg253-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-oleg253-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 8842 20873 334788 376589 64 8 9646 36178 98914 592827 64 16 15767 33247 592827 546928 64 32 8770 69872 1124074 955947 64 64 8686 96392 1385075 1599680 128 4 11604 21142 316961 328199 128 8 19425 36878 458940 514339 128 16 19631 36126 394814 776042 128 32 16978 72152 1206978 237889 128 64 13673 97634 1067750 1363288 128 128 14635 124396 1579934 1266785 256 4 12669 10505 334206 283847 256 8 18297 41236 525621 450620 256 16 22672 44375 770920 810490 256 32 28878 93362 937924 965763 256 64 28027 112719 527947 727070 256 128 29578 106799 1461259 1497953 256 256 37020 122548 2065659 2305128 512 4 14546 21063 388698 380098 512 8 24686 31503 527921 449847 512 16 39132 57618 697505 540545 512 32 45518 75292 929322 900108 512 64 42709 114289 1230786 366476 512 128 51618 115887 1323315 1528669 512 256 55651 116921 1383861 1551867 512 512 56997 124183 2032051 1954379 1024 4 16106 20706 350901 306765 1024 8 29117 35026 500999 523788 1024 16 43592 51667 685899 744774 1024 32 61178 84558 1038483 644424 1024 64 42202 106193 1158358 1095150 1024 128 77564 76639 1094034 1261072 1024 256 80226 127952 976172 1343938 1024 512 54317 126875 1703807 1622698 2048 4 19038 18267 277696 263682 2048 8 26314 32384 535972 727540 2048 16 32426 58663 802512 740204 2048 32 59496 63664 685669 1126429 2048 64 67655 73283 1181103 1126577 2048 128 71857 149434 1391351 1381950 2048 256 65833 125736 735640 946778 2048 512 77826 118979 1344739 1607456 4096 4 15037 19990 322137 311574 4096 8 28970 35445 428941 417282 4096 16 37842 48712 561400 618252 4096 32 64258 83116 699198 1000236 4096 64 78356 117454 974312 1079896 4096 128 59464 101298 1092255 936191 4096 256 81229 143477 1491074 1587523 4096 512 93275 131122 746632 864839 8192 4 17825 20460 300140 365681 8192 8 39237 38705 374783 530703 8192 16 51305 51738 818794 786933 8192 32 67305 77500 991056 468143 8192 64 67894 106374 947703 1133393 8192 128 84505 107506 1213790 1067476 8192 256 79931 113866 1280798 1537499 8192 512 72398 92608 1440732 833694 16384 4 16736 19750 342703 346333 16384 8 32024 34985 422442 411615 16384 16 48402 44422 685345 719479 16384 32 50996 61207 326348 479443 16384 64 63428 65140 1031687 872375 16384 128 78246 116154 1166460 909519 16384 256 68636 68180 1296109 461406 16384 512 101319 87529 911546 603953 32768 4 14568 18268 298542 295478 32768 8 28198 34595 261126 334486 32768 16 38596 49965 487865 523976 32768 32 55546 61124 1077151 871423 32768 64