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: Fri May 10 05:27:35 2024 Auto Mode Machine = Linux oleg109-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-oleg109-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 10996 20181 272300 367817 64 8 25097 25963 695778 561808 64 16 21150 63552 277078 852702 64 32 33059 100960 1255511 1304314 64 64 37958 127534 1492919 1518251 128 4 19185 22027 382985 330828 128 8 26762 30643 597981 254464 128 16 38084 67583 785122 702889 128 32 52630 108748 1165070 1220700 128 64 33383 117123 1359835 1471662 128 128 29962 157264 1332828 1377278 256 4 20382 25749 600928 353110 256 8 40378 45325 562520 571502 256 16 42043 76282 805021 733527 256 32 65777 118792 1108314 1098113 256 64 80679 162127 1334162 1523457 256 128 55883 165578 1707589 1455317 256 256 61688 202523 1591186 1924938 512 4 25543 28683 392033 277674 512 8 37683 41534 407971 603089 512 16 50528 83104 892254 855978 512 32 73248 130310 1073309 1476130 512 64 113121 174155 1240025 1380303 512 128 107246 196695 1459080 1556366 512 256 90253 204059 1695195 1662389 512 512 108778 229485 1747618 2030130 1024 4 24671 23606 359297 355167 1024 8 43309 49564 642785 652155 1024 16 63996 88483 938625 670585 1024 32 75516 137066 1429841 888894 1024 64 104842 156147 1287921 1343938 1024 128 95917 122650 1597351 1273410 1024 256 127270 177994 1681790 1673273 1024 512 116762 207668 1878973 740919 2048 4 26094 27938 347759 388987 2048 8 41125 49744 587514 502194 2048 16 54920 82814 806278 745213 2048 32 99095 104240 780491 878603 2048 64 109924 140024 992275 1166982 2048 128 125483 107489 1184523 1461916 2048 256 140775 161705 1735759 1487484 2048 512 129513 208110 1762469 1853353 4096 4 25834 28335 388836 395213 4096 8 45819 50314 572475 636036 4096 16 74316 73730 816075 959029 4096 32 99195 126178 1135273 1125308 4096 64 134705 163997 1329834 1256499 4096 128 150986 167080 1639018 1399376 4096 256 146155 204586 1584448 1586350 4096 512 171646 188087 1916795 1397100 8192 4 27275 28490 369059 402816 8192 8 43346 46459 569012 597479 8192 16 74921 78288 732729 699694 8192 32 95286 115822 1143502 1244791 8192 64 138017 159822 1365280 1436936 8192 128 154074 198056 1509999 1550963 8192 256 165762 215987 1641665 1414807 8192 512 171359 209513 1910380 1547470 16384 4 26139 28871 438402 403477 16384 8 45380 52648 704534 672798 16384 16 76585 86114 826215 865421 16384 32 95670 115473 1017134 1358312 16384 64 126794 148738 1132829 1315864 16384 128 121779 172019 1532076 1490926 16384 256 138976 165843 1645155 1267236 16384 512 170350 215629 1492318 1863285 32768 4 26355 28493 374842 378935 32768 8 45435 49354 662449 634204 32768 16 69821 79893 979727 794569 32768 32 93595 104972 1059522 757745 32768 64 103096 141976 1343439 1296718 32768 128 145406 152861 1252841 1388639 32768 256 145295 189772 1657292 1571991 32768 512 155194 219645 1617217 1745017 65536 4 25110 27687 364881 414179 65536 8 27925 47540 613684 578010 65536 16