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 Jan 7 10:29:19 2025 Auto Mode Machine = Linux oleg217-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-oleg217-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 9586 33915 1124074 674790 64 8 16439 48517 1143223 863676 64 16 31022 74777 1143223 1279447 64 32 18709 103891 1553394 1492919 64 64 29048 127960 1780008 1828508 128 4 21386 30490 722760 780556 128 8 23349 37504 1152564 853794 128 16 34059 99002 1705404 907174 128 32 27072 96027 1406136 1504659 128 64 25446 144638 1749872 1705404 128 128 25594 155128 581781 1885042 256 4 21940 25671 759469 635423 256 8 34252 52772 1197295 1028679 256 16 26933 67599 1319408 876662 256 32 44973 127616 454820 1453348 256 64 45126 168197 1740810 1607865 256 128 73565 214585 1729594 2392442 256 256 44827 206139 244043 238831 512 4 17342 25448 703215 811349 512 8 36961 54567 878027 581059 512 16 58287 72306 1258188 1096322 512 32 66553 90907 1252318 563229 512 64 63961 111131 579961 1585086 512 128 44506 193418 1723770 1695195 512 256 83184 212984 1574625 1683237 512 512 80124 172629 2116152 1024169 1024 4 25477 28700 803728 859198 1024 8 39212 53203 935966 879790 1024 16 54196 67098 1329791 1201790 1024 32 78824 134117 1732676 1590254 1024 64 120116 134348 1519371 1521524 1024 128 92044 163731 1711956 1701108 1024 256 76790 133996 1720874 1584972 1024 512 108096 197000 1668074 797608 2048 4 26768 31616 524198 649728 2048 8 36521 54734 1005399 966920 2048 16 73903 75633 743086 1154436 2048 32 83150 120300 1384623 1374432 2048 64 89789 122706 920500 1334295 2048 128 103669 147507 1217600 1612586 2048 256 88989 147604 1442279 1788896 2048 512 129088 197357 1994039 1814210 4096 4 28232 29976 494088 758265 4096 8 43448 45337 1057300 1055351 4096 16 70980 78992 1261110 1316585 4096 32 91107 130808 1522119 1204353 4096 64 113120 163408 1383263 1130566 4096 128 103054 166971 1055092 1599346 4096 256 118097 154956 1664263 733780 4096 512 102382 196791 1796530 1575295 8192 4 28503 29844 739097 660372 8192 8 45927 49805 935804 1061704 8192 16 67168 79542 999009 1410220 8192 32 93224 109913 928596 1515126 8192 64 109612 160340 1594359 1618695 8192 128 115897 186951 1355638 1098147 8192 256 98966 169287 1565734 1877601 8192 512 112486 162491 1418311 1755662 16384 4 27304 28237 835751 838361 16384 8 49843 54946 1088335 1089284 16384 16 70424 86535 1171132 1350491 16384 32 94568 111154 1568765 1269578 16384 64 105374 142708 1603616 1589889 16384 128 147290 152954 1367040 1805802 16384 256 149972 207531 1326098 1629126 16384 512 151592 233024 1593465 1710767 32768 4 27435 31047 806378 821355 32768 8 46511 54269 1189012 1143173 32768 16 76541 85138 1127946 1409372 32768 32 102755 123861 1526220 1517039 32768 64 118580 156712 1437829 1609754 32768 128 144832 209614 1584222 1383384 32768 256 147624 182015 1791860 1792071 32768 512 158069 186979 1657032 1825926 65536 4 27742 30196 763013 800987 65536 8 49225 51270 1151331 993631 65536 16 73846 86235 1382179 1381943 65536 32 106928 120892 1348116 1518756 65536 64