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 Jan 17 11:24:10 2025 Auto Mode Machine = Linux oleg250-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-oleg250-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 11847 19301 653436 720041 64 8 11519 25398 752329 842003 64 16 15759 63432 1392258 1002351 64 32 11281 30933 1421755 1304314 64 64 16376 114480 1421755 1933893 128 4 14802 26595 662962 621518 128 8 22731 42052 1240443 727658 128 16 15025 65505 992724 992724 128 32 15930 51405 1377278 1162547 128 64 31150 122494 1637771 1504659 128 128 20300 63619 1802755 2558895 256 4 15673 24030 673696 471393 256 8 22604 44816 351147 727563 256 16 28900 50782 592636 1048775 256 32 42533 98573 1570244 1152323 256 64 25821 111351 1300235 1243036 256 128 25775 76418 1579483 1642294 256 256 40987 146790 2034350 2187712 512 4 17067 25632 697732 677053 512 8 33934 45916 978885 1179413 512 16 44387 72491 1410215 1248678 512 32 44325 104086 1462061 1286838 512 64 47429 82352 1337324 1032540 512 128 61941 127942 1459080 1434711 512 256 71959 125983 1372364 1683237 512 512 85418 141665 1985091 2294796 1024 4 22120 19001 629317 795098 1024 8 32281 45616 974400 899883 1024 16 54091 70262 1229309 1037480 1024 32 68914 60829 871578 499484 1024 64 76693 136918 1043783 1134192 1024 128 52826 108888 1248607 1365299 1024 256 78275 130777 1031252 1232130 1024 512 79423 137023 1651398 1083546 2048 4 24044 27217 750487 624413 2048 8 36183 46746 857637 822805 2048 16 64214 74350 976705 893592 2048 32 41392 111129 1039590 1075515 2048 64 83667 124953 1229979 1072829 2048 128 105213 160815 1347270 1312080 2048 256 101124 130413 1621413 1516101 2048 512 98966 165334 1379952 1504681 4096 4 24372 26349 728707 565502 4096 8 38906 45202 929404 790431 4096 16 50612 48632 1041721 1170306 4096 32 64221 86084 1067549 1126784 4096 64 90475 97483 1230402 1083643 4096 128 92210 140394 1032270 925250 4096 256 120644 134631 1210036 1133999 4096 512 97943 120558 1340312 1596374 8192 4 24586 25444 623534 541440 8192 8 38181 42133 955424 898650 8192 16 65542 64556 1119107 1093743 8192 32 80165 92786 1148317 1216325 8192 64 94345 100564 1298710 1374730 8192 128 100570 128187 1423423 1638690 8192 256 107103 146217 1390361 1387554 8192 512 118210 137565 1433459 1412887 16384 4 24714 27102 729732 720678 16384 8 44929 49248 1006955 853426 16384 16 63754 68800 1223402 562790 16384 32 83070 97135 912660 1249176 16384 64 99245 111425 1061898 1325126 16384 128 110181 133274 1553445 1464053 16384 256 125331 133689 1216062 1525648 16384 512 116504 151816 1565727 1434800 32768 4 24466 28168 813566 795047 32768 8 41461 45926 907176 937114 32768 16 65382 72194 1122878 1127095 32768 32 84382 97943 1343058 1258128 32768 64 107595 136106 1409011 1372594 32768 128 121264 144014 1577513 1561933 32768 256 111302 144429 1495026 1618493 32768 512 124767 143330 1336697 1513681 65536 4 25649 27266 770713 743933 65536 8 44324 47508 964021 1024429 65536 16 65978 77971 1256413 1221067 65536 32 92152 109118 1354413 1413815 65536 64 112500 126880 1332167 1444416 65536 128 114533 141291 1503882 1488507 65536 256 121753 147492 1543695 1517733 65536 512