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 12:27:44 2024 Auto Mode Machine = Linux oleg406-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-oleg406-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 7445 22743 532815 124748 64 8 10415 35735 571375 520419 64 16 9993 54695 615952 454354 64 32 7824 56491 647135 929467 64 64 14886 95230 1385075 1452528 128 4 9751 23192 273522 182870 128 8 18254 32754 465304 531131 128 16 22926 52073 670413 540217 128 32 20692 69562 516318 1278855 128 64 17638 102990 1231904 1294270 128 128 16200 40351 1015251 1827299 256 4 12195 20765 257318 314069 256 8 12089 31227 505098 414283 256 16 24762 60953 822913 842278 256 32 35610 79109 891956 697322 256 64 41815 116258 1254656 1479379 256 128 39457 177777 1632308 1430119 256 256 46835 133953 1715775 2533571 512 4 23614 20836 205938 324500 512 8 17650 38055 456735 451834 512 16 37531 64134 706221 747521 512 32 48434 78070 1032044 731480 512 64 49771 90170 774759 1143004 512 128 50981 155571 1442420 1662389 512 256 66303 126666 1264113 1518938 512 512 56301 179453 1848401 1729323 1024 4 22725 21059 352717 328843 1024 8 27076 34312 535812 556789 1024 16 37737 50395 467362 764799 1024 32 68316 80413 806293 965854 1024 64 70227 104541 1120580 1098792 1024 128 61028 142577 1294520 1207534 1024 256 67138 165906 1594978 929082 1024 512 81548 128708 1605111 297254 2048 4 21338 21357 327887 343971 2048 8 37497 32217 619862 552307 2048 16 39944 59562 722158 754309 2048 32 47564 87817 915595 923767 2048 64 82265 113562 1163663 1064453 2048 128 69716 128089 1290592 759646 2048 256 86086 118608 1415191 1007876 2048 512 116914 152550 1351722 980384 4096 4 22615 24582 332628 343221 4096 8 37533 37715 513156 535501 4096 16 54389 68323 705834 695293 4096 32 65788 92358 1038008 780200 4096 64 92665 111437 786955 933039 4096 128 84822 120947 766178 1114866 4096 256 105820 149773 1091699 1648296 4096 512 71495 162720 1084190 1627219 8192 4 24277 24467 370412 398231 8192 8 35860 42840 458320 672852 8192 16 60681 68087 920535 811983 8192 32 65110 89037 1162459 1190532 8192 64 90436 123790 1240477 1241597 8192 128 123527 137617 1544479 1487575 8192 256 125978 154799 1296212 1639706 8192 512 99270 151810 1476326 1142361 16384 4 23058 23922 299038 278062 16384 8 37564 41221 547666 551446 16384 16 54033 61444 873573 795264 16384 32 79060 96341 1109509 887449 16384 64 79388 107792 1184924 1254032 16384 128 96257 127936 1319047 1288962 16384 256 88467 109878 1260796 1604065 16384 512 99186 111114 1415967 1024199 32768 4 21125 21475 303719 334965 32768 8 38788 40856 552709 584225 32768 16 58281 65881 752748 774636 32768 32 77046 85904 930881 1042003 32768 64 102734 120983 1426680 1273823 32768 128 117517 151938 1187974 1112327 32768 256 127413 148024 1199724 1432359 32768 512 130314 159835 1471858 1502084 65536 4