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 Jul 17 08:07:07 2024 Auto Mode Machine = Linux oleg210-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-oleg210-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 21497 24445 551422 645579 64 8 28867 63492 942521 771797 64 16 32404 90510 1049372 1255511 64 32 36095 111116 1892980 1421755 64 64 44108 168318 1947927 2358717 128 4 30260 34033 646205 590094 128 8 44169 73859 1319723 1521718 128 16 49079 79397 1521718 1471662 128 32 50735 116690 1732927 1561553 128 64 62319 160221 1440082 2035099 128 128 73304 225689 1618028 1622919 256 4 29203 42588 815414 1163562 256 8 53770 64922 1356067 839644 256 16 60080 102771 1463250 1319408 256 32 50049 133271 1766587 1347557 256 64 86986 165272 1540948 2081678 256 128 113673 239899 2170027 2247235 256 256 101508 282206 2419396 2081678 512 4 25334 35704 997991 1041049 512 8 54078 61575 1165966 1339827 512 16 65708 86383 1337324 1795846 512 32 108498 154965 1053304 1261144 512 64 117729 179588 1340664 1624659 512 128 104746 205465 1940253 2189509 512 256 125153 263922 1677976 2196227 512 512 160561 258988 1823291 2347475 1024 4 27249 34971 796277 964120 1024 8 59335 58225 1257748 1309518 1024 16 85355 115472 1281771 1153071 1024 32 102997 140639 1457004 1681132 1024 64 133646 179744 1462960 1845071 1024 128 126718 211441 1973059 1885572 1024 256 147660 253408 1585557 1921852 1024 512 165268 222125 1587315 2146618 2048 4 37935 33815 1037456 1103423 2048 8 58745 52769 1313685 1026545 2048 16 89982 101099 1254040 1818820 2048 32 120883 133099 1429082 1702391 2048 64 135889 193537 1796754 1992189 2048 128 157671 232092 1468162 2100328 2048 256 183597 213957 1750259 1875201 2048 512 187292 222129 1627866 1846580 4096 4 30217 30023 886574 991748 4096 8 47910 65087 1086521 1346933 4096 16 84337 99720 1518084 1619549 4096 32 129710 146358 1529573 1274489 4096 64 158404 169698 1626603 1933841 4096 128 178544 191195 1553220 1881322 4096 256 187933 217836 1802751 1533532 4096 512 189156 251934 1680050 2029804 8192 4 35374 38461 913876 938590 8192 8 56103 65582 1161673 1189337 8192 16 87446 94165 1407562 1359446 8192 32 121129 143044 1518742 1837241 8192 64 133163 191890 1391995 1517334 8192 128 159934 230780 1611030 1635103 8192 256 194376 229608 1614815 1896253 8192 512 175327 221417 1530377 1610048 16384 4 31869 36103 848254 800312 16384 8 63102 62576 1184067 1016563 16384 16 86160 95012 1603429 1632842 16384 32 113478 147648 1622816 1445423 16384 64 146783 160996 1711832 1662347 16384 128 158139 207221 1762091 1727887 16384 256 186744 238382 1673521 1759790 16384 512 188914 245780 1808178 1845670 32768 4 33718 39124 858227 876877 32768 8 56520 65386 1361309 1256874 32768 16 94899 101721 1195476 1274532 32768 32 128472 151115 1409864 1521540 32768 64 144429 179294 1834725 1564102 32768 128 164552 217503 1506513 1630475 32768 256 175708 242873 1688982 1565082 32768 512 204734 269870 1756704 1755380 65536 4 34323 37333 883792 939625 65536 8