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 Nov 13 12:15:14 2024 Auto Mode Machine = Linux oleg120-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-oleg120-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 18561 26426 551422 409946 64 8 25255 41503 769584 842003 64 16 39000 65909 901377 1279447 64 32 49850 118734 1452528 1392258 64 64 53104 178741 1363961 2052169 128 4 27216 36238 531131 535368 128 8 41927 44017 684081 722760 128 16 55698 101587 789741 1102844 128 32 53203 129030 1543594 1030846 128 64 86012 208185 1663139 1487977 128 128 67118 246519 1885042 1065630 256 4 28321 32208 437582 532397 256 8 41946 52969 834424 682258 256 16 70212 86600 1260547 705107 256 32 83992 140343 999940 1019886 256 64 95922 181289 996229 1763685 256 128 92318 262028 1639786 2097948 256 256 127042 207454 2114473 1802167 512 4 31434 38580 488086 562049 512 8 50141 56177 876593 734482 512 16 69583 94887 1242896 1160923 512 32 117189 169992 1422357 1437592 512 64 113546 199528 1501940 1245780 512 128 140968 213854 1518938 1488408 512 256 157396 254356 1924603 1624659 512 512 172049 301198 1650887 2370799 1024 4 30681 30161 532490 519041 1024 8 54090 59876 503229 538634 1024 16 75846 107404 864908 1201790 1024 32 125379 176335 1336411 1044799 1024 64 106533 227309 1352828 1267398 1024 128 176089 234098 1780809 1924436 1024 256 154379 243868 1809317 2077065 1024 512 177193 274529 1861867 1648862 2048 4 28703 35185 543811 558338 2048 8 56418 53190 883846 869972 2048 16 79636 101386 1092894 1187142 2048 32 117504 132866 1190103 1457698 2048 64 115653 183252 1689998 1972971 2048 128 179162 215763 1387530 1728424 2048 256 215352 263958 1948358 1944829 2048 512 191778 279022 1975239 2142232 4096 4 31490 32756 518093 465568 4096 8 50856 50272 699198 693301 4096 16 84449 100717 1163017 1083301 4096 32 108425 144739 1268841 1460276 4096 64 151602 212646 1179789 1161680 4096 128 195905 217618 1834122 1698823 4096 256 206026 213166 1667008 1478117 4096 512 175620 229957 1977696 2073910 8192 4 35091 36231 552355 398638 8192 8 51572 51518 640444 657882 8192 16 91441 83642 1096780 1125559 8192 32 105496 126211 1303638 1006265 8192 64 160077 182222 1474995 1341610 8192 128 169901 234285 1630602 1546217 8192 256 205374 311317 1823687 1454269 8192 512 213935 267353 1956058 1741426 16384 4 29356 34504 528364 508506 16384 8 57923 65368 654678 694916 16384 16 80106 98602 1118357 971948 16384 32 112627 137495 1419389 1326226 16384 64 152365 190646 1157306 1490117 16384 128 168274 237239 1599250 1431273 16384 256 198121 235038 1783031 1471515 16384 512 203046 256624 1914415 1868605 32768 4 29167 35006 523467 447327 32768 8 51524 58625 859107 755491 32768 16 86156 92636 921433 1071516 32768 32 127792 163342 1140186 1342783 32768 64 145156 180514 1483920 1457715 32768 128 171614 224123 1662685 1588838 32768 256 168944 223271 1724176 1773067 32768 512 185584 246984 1789807 1354441 65536 4