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 Jul 19 12:43:55 2024 Auto Mode Machine = Linux oleg159-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-oleg159-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 23871 40507 710511 727850 64 8 25680 57201 1336792 1526887 64 16 42896 74486 1421755 1452528 64 32 48560 122360 1183548 2203800 64 64 48482 123316 1879725 1363961 128 4 23054 37069 1133103 1102844 128 8 42327 69906 1085013 1642783 128 16 52563 93714 1705404 1684006 128 32 72191 145304 1162547 1076312 128 64 71708 173250 1598754 1710838 128 128 81321 223435 2132084 1833539 256 4 27691 42147 654798 1031644 256 8 37769 56041 1036624 992545 256 16 61568 125866 1814348 1206714 256 32 62471 164638 1570244 2030503 256 64 97854 140582 1514860 1755037 256 128 104066 245718 2114473 1660068 256 256 117814 275898 2030503 1790149 512 4 30756 36436 666546 1079785 512 8 49800 64442 986529 1201856 512 16 63959 120497 1355045 1182661 512 32 89386 151169 1783912 1433753 512 64 120870 198202 1968713 1463057 512 128 140626 216681 1940253 1783912 512 256 142021 277818 1882427 2347475 512 512 127456 302769 2105777 2047551 1024 4 38463 34681 749714 878171 1024 8 53399 54736 938625 1092642 1024 16 76349 111099 1039489 1187831 1024 32 124528 131740 1711956 1932227 1024 64 130745 134986 1482144 1957770 1024 128 171841 215310 1323236 1472995 1024 256 177128 221941 1697745 2031864 1024 512 182595 266456 1899750 1949771 2048 4 31486 33279 838303 872268 2048 8 52761 65504 1273751 1360715 2048 16 86589 103439 1550304 1665101 2048 32 114171 147317 1677130 1289623 2048 64 112071 198717 1605053 1948800 2048 128 155000 206554 1761024 2035623 2048 256 148438 217759 1801275 1552826 2048 512 179350 261260 1823453 1607456 4096 4 32142 37469 943544 839688 4096 8 43351 62556 1220524 1127746 4096 16 80524 109159 1156752 1302807 4096 32 119618 153304 1433231 1643722 4096 64 148459 179396 1545674 1499795 4096 128 153857 221382 1469268 1569395 4096 256 173455 184207 1668303 1655602 4096 512 187426 217131 1845946 1635896 8192 4 29851 32355 807802 865140 8192 8 49702 64461 1101209 1265374 8192 16 97541 101603 1279558 1594063 8192 32 135925 148977 1442243 1522646 8192 64 145666 198368 1878936 2018216 8192 128 193252 227700 1679705 1909531 8192 256 178210 260344 1638455 1800088 8192 512 207423 251212 1636426 1682420 16384 4 39511 31698 917767 866785 16384 8 58816 71125 1217959 1229113 16384 16 93308 86781 1406001 1213357 16384 32 117737 133722 1437471 1554605 16384 64 145749 186050 1669820 1673521 16384 128 164336 212304 1642521 1480008 16384 256 149851 237977 1527343 1647443 16384 512 185080 226113 1776991 1717952 32768 4 31218 37396 888193 946530 32768 8 51581 59787 1103636 1230398 32768 16 79330 99029 1321187 1356232 32768 32 112319 149093 1288150 1463894 32768 64 136669 181752 1762381 1623311 32768 128 158125 209444 1616647 1639891 32768 256 169515 227495 1618894 1627655 32768 512 179444 220257 1656793 1655535 65536 4 31836 35639 812023 779698 65536 8