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 Apr 19 08:56:28 2024 Auto Mode Machine = Linux oleg325-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-oleg325-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 20413 33597 576282 387461 64 8 31341 67095 852702 939223 64 16 34442 83009 1183548 1279447 64 32 43276 143486 1526887 1780008 64 64 51074 133895 2006158 2052169 128 4 22276 35154 531131 556454 128 8 42118 56212 876086 978253 128 16 52542 113965 831319 1196221 128 32 60208 154771 1254941 1579934 128 64 64220 208428 1939522 2098744 128 128 85668 226164 2211113 2248149 256 4 24413 31403 444465 479390 256 8 43025 72727 861885 667000 256 16 62591 105095 1137672 886067 256 32 94746 164512 1622442 1391207 256 64 81735 181044 1319408 2131261 256 128 60435 201422 2065659 2228578 256 256 121151 282206 1319408 2045979 512 4 24017 38884 538918 491774 512 8 39524 38502 655558 791318 512 16 59349 107768 825699 887461 512 32 111791 176605 1640796 1496706 512 64 130849 203094 1695195 1296159 512 128 132472 293942 1395552 1438555 512 256 140122 272772 1496706 1528669 512 512 169938 212185 1730717 1667552 1024 4 34503 31338 557150 367537 1024 8 51982 60822 487576 512476 1024 16 70997 70568 872108 792604 1024 32 95754 98928 1136593 1519371 1024 64 112073 142638 1230718 1244266 1024 128 141203 214450 1113030 1197769 1024 256 157660 252662 1324868 2178189 1024 512 156000 270962 1954207 1861867 2048 4 25277 33335 529856 482802 2048 8 52900 70404 876362 836589 2048 16 69205 103466 1039590 1111849 2048 32 92963 173233 1421279 1641240 2048 64 133735 203558 1618968 1932143 2048 128 199243 265836 1674514 2089598 2048 256 154905 302156 1693997 1771922 2048 512 191398 249302 1894641 1978880 4096 4 31460 29941 352676 358789 4096 8 57269 56920 682531 593949 4096 16 93605 112215 1124057 1198723 4096 32 106883 110090 1325115 1336766 4096 64 134635 138800 894328 1163963 4096 128 188209 262665 1472795 1603077 4096 256 225712 194666 1619549 1742944 4096 512 161621 270609 1871281 2007039 8192 4 33775 34445 450602 419369 8192 8 56517 65493 773575 886867 8192 16 78473 94448 1012372 861582 8192 32 124648 157218 1114388 1163285 8192 64 151431 184131 1520961 1342082 8192 128 177013 232323 1507547 1737814 8192 256 210758 280433 1698554 1783920 8192 512 200670 303317 1689783 1809568 16384 4 34328 34797 437701 467766 16384 8 52888 62037 778295 759887 16384 16 80362 102360 1105013 1192098 16384 32 133733 158368 1188367 1197562 16384 64 149636 192210 1514518 1613254 16384 128 181140 234010 1374834 1506021 16384 256 192540 279309 1699765 1699218 16384 512 214172 286664 1641853 1687659 32768 4 33439 36514 503797 519879 32768 8 51352 66495 655358 723946 32768 16 87015 99699 1043799 1025887 32768 32 118082 142188 1348527 1329983 32768 64 150953 226945 1455446 1457452 32768 128 182924 239956 1597035 1622180 32768 256 206543 244694 1825198 1829085 32768 512 201189 280202 1716231 1726624 65536 4 31903 33361 488939 494122 65536 8