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: Tue Feb 27 12:22:13 2024 Auto Mode Machine = Linux oleg413-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-oleg413-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 10519 29235 369844 365812 64 8 4950 41267 390278 474430 64 16 10852 47655 926260 760859 64 32 10264 80810 1310683 1017549 64 64 15798 60325 1204796 1562436 128 4 8206 26143 336005 217373 128 8 11342 44318 130219 568836 128 16 14979 73435 379734 692017 128 32 10595 82904 1175271 1504659 128 64 24634 134023 1254941 1406136 128 128 21673 154060 1487977 1778862 256 4 12791 28966 352994 398153 256 8 18171 23479 626159 157260 256 16 14928 80503 812944 760006 256 32 21887 98492 1049800 930608 256 64 27947 73945 1532153 1306564 256 128 50854 67864 1514860 1437779 256 256 52490 148392 1729594 1938842 512 4 21657 19321 127713 334404 512 8 30276 40160 669247 584539 512 16 25731 68993 806171 964378 512 32 55380 128708 1138158 1002183 512 64 35417 73807 1302447 1034530 512 128 51853 119598 1339827 988345 512 256 52837 134843 1695195 1492545 512 512 38799 191606 2007358 1684557 1024 4 15021 28691 178861 118133 1024 8 26663 38827 616844 225946 1024 16 44776 54637 1066594 554990 1024 32 38241 87896 1036478 948157 1024 64 72572 146621 1352828 826462 1024 128 78437 186999 1338494 1464956 1024 256 78593 140386 528624 913471 1024 512 74380 124438 1964935 1657133 2048 4 16029 24838 324053 322423 2048 8 31878 34941 667759 181575 2048 16 38034 55132 654730 695890 2048 32 55124 82553 1027650 801538 2048 64 50700 82453 822175 981840 2048 128 67022 92884 1355348 441850 2048 256 47509 189227 1574169 1587551 2048 512 82324 174090 688417 1541125 4096 4 21283 19242 436161 408987 4096 8 35128 39199 563407 547446 4096 16 60543 51156 680288 740677 4096 32 80777 82414 711122 1090521 4096 64 59786 89691 873724 1191738 4096 128 88226 101910 900799 1412956 4096 256 66592 64599 814489 1623375 4096 512 112791 96726 698147 744852 8192 4 16215 24363 168424 276141 8192 8 28861 35685 589140 329856 8192 16 53186 46483 775320 749414 8192 32 80094 74618 1077316 762333 8192 64 90153 111466 1299889 983313 8192 128 65696 112501 548651 463008 8192 256 64839 110514 694054 1284437 8192 512 87356 140168 1608842 1376161 16384 4 20773 17702 388153 343855 16384 8 35172 42391 634518 598524 16384 16 63616 71279 878026 753769 16384 32 86382 91522 793492 1119577 16384 64 102583 119774 1390243 1516055 16384 128 108878 154211 1483139 1034872 16384 256 100633 146721 873673 1284817 16384 512 76562 109000 1030836 885391 32768 4 19598 18750 340425 201119 32768 8 33353 39015 632954 535881 32768 16 61317 52405 752373 889493 32768 32 68682 95906 1060454 792745 32768 64 110284 111766 1215931 1003307 32768 128 126679 135888 1099451 977449 32768 256 106192 149677 1131261 1454537 32768 512 147498 186068 1670913 1686288 65536 4