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: Tue Jun 4 23:11:49 2024 Auto Mode Machine = Linux oleg402-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-oleg402-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 19150 57140 1421755 1599680 64 8 26599 88394 913649 799377 64 16 24661 136136 1279447 1933893 64 32 27153 376589 2133730 1780008 64 64 32064 528618 2203800 2561267 128 4 35945 60747 1162547 621518 128 8 37625 99701 942199 1852520 128 16 47905 237049 1391557 1622919 128 32 62530 302666 1471662 1642783 128 64 61301 531131 1778862 2211113 128 128 56383 531131 2367096 1391557 256 4 40724 70795 1495866 1230218 256 8 61476 119746 1479379 1952947 256 16 61759 166554 1639786 1231629 256 32 55860 250534 1312954 1514860 256 64 97854 428159 2310087 1897721 256 128 105570 686620 1924938 2458168 256 256 103855 523570 2392442 2247235 512 4 55260 77951 1071167 1319250 512 8 59122 135849 1723770 1729323 512 16 103042 248298 1797349 1299295 512 32 129649 367291 1770674 2116152 512 64 150322 442159 1533034 2032051 512 128 149840 513530 2180616 1890713 512 256 176358 713021 2427068 2169601 512 512 189911 820650 2486072 2438090 1024 4 57257 60231 1139005 1220228 1024 8 92568 145954 1204487 1450607 1024 16 134067 235085 1834824 1939207 1024 32 198530 328290 1718120 1434138 1024 64 177530 552634 2358827 2528227 1024 128 197844 711581 1845071 1600327 1024 256 237687 612097 1872419 2165014 1024 512 228531 734583 2240689 2311849 2048 4 55400 72756 964207 1142763 2048 8 86362 142498 1467159 1611376 2048 16 154612 239281 1602657 1800898 2048 32 185021 335245 1386635 1745990 2048 64 259539 439027 1825390 2122121 2048 128 307235 520734 1660915 1978424 2048 256 268731 679486 1826943 2074960 2048 512 324812 649139 2035623 1929972 4096 4 52630 72444 1258339 1288058 4096 8 98246 136260 1361233 1426211 4096 16 147247 215419 1345245 1425146 4096 32 212812 295573 1543313 1669763 4096 64 259868 419709 1826129 2355405 4096 128 260313 480746 1763158 1901520 4096 256 305535 631222 1947653 2032686 4096 512 372804 590276 1689800 1591936 8192 4 56953 74926 1151550 1281993 8192 8 98735 138553 1346025 1438680 8192 16 143094 207177 1474995 1505632 8192 32 206670 360135 1717059 1785496 8192 64 253394 426263 1597473 1678639 8192 128 362250 510630 1797733 1981552 8192 256 337814 573629 1659665 1757189 8192 512 383895 572941 1760971 1680116 16384 4 62004 79724 1136125 1025804 16384 8 104353 122643 1432049 1696240 16384 16 175927 210026 1512152 1566798 16384 32 220392 325958 1731021 1709533 16384 64 281439 419607 1599846 1625734 16384 128 294984 386004 1510025 1677156 16384 256 374301 547500 1604852 1746862 16384 512 321298 698433 1884077 1885783 32768 4 60126 77816 1194645 1229946 32768 8 109073 123259 1541075 1423827 32768 16 161971 199627 1490809 1792444 32768 32 236111 300615 1786991 1653205 32768 64 283606 401681 1737889 1748280 32768 128 287880 498873 1613705 1564334 32768 256 358030 538044 1720636 1670709 32768 512 349067 532043 1684470 1773822 65536 4 65549 85132 831960 1008726 65536 8 91971 109138 1380811 1130278 65536 16 136119 195381 1426678 1573339 65536 32