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: Thu Apr 18 20:24:14 2024 Auto Mode Machine = Linux oleg147-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-oleg147-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 12774 27800 581273 592827 64 8 9477 38669 477808 581273 64 16 19387 63492 877797 752329 64 32 16235 77676 1066042 1188789 64 64 16766 95671 1518251 1526887 128 4 15138 22691 315101 200264 128 8 20015 41842 549618 470606 128 16 25049 47566 847059 589446 128 32 33161 85792 1048974 947186 128 64 37803 132763 1281909 1391557 128 128 32796 98385 2175277 2066432 256 4 20727 26539 361066 355566 256 8 28082 39882 581719 580461 256 16 40277 81841 810490 790209 256 32 47502 101710 1274008 1262029 256 64 57580 137486 1572543 656399 256 128 60235 152394 1422540 1479379 256 256 60736 161227 2065659 2152625 512 4 21130 25637 342293 404742 512 8 34634 40750 592604 532239 512 16 48026 59444 754083 690996 512 32 64671 96149 993834 1160923 512 64 66762 42827 1289930 1299295 512 128 78241 135489 1614885 1480200 512 256 91934 170722 1689859 1616100 512 512 81619 143416 2317080 2007358 1024 4 21985 21541 374523 437600 1024 8 33873 46024 606650 604515 1024 16 42089 60599 824400 755649 1024 32 55249 89510 1090700 985580 1024 64 69434 128607 1315938 1294520 1024 128 69451 158856 1378445 1347311 1024 256 91773 151814 1167489 1667426 1024 512 88223 173738 1670669 1815435 2048 4 23111 25407 400541 356668 2048 8 37774 44821 601628 571754 2048 16 57675 71118 831165 823752 2048 32 81266 102867 1123483 1082973 2048 64 96891 127929 1264191 1043885 2048 128 110918 151602 1423162 1482862 2048 256 118979 183151 1696674 1566989 2048 512 124030 178163 1728424 1703741 4096 4 24194 25554 377888 380879 4096 8 37980 43060 585209 626503 4096 16 58374 69684 786775 1022440 4096 32 79430 101822 976639 1051862 4096 64 101997 128958 1314067 1335519 4096 128 118662 163983 1426211 1217583 4096 256 110000 170745 1559848 1251829 4096 512 131256 186811 1531209 1624757 8192 4 23622 25831 400781 409474 8192 8 39944 45257 602307 612344 8192 16 63178 73014 877737 818794 8192 32 80422 99530 1131490 1219779 8192 64 107216 129280 1263606 1253968 8192 128 119467 147253 1350947 1455069 8192 256 123793 174979 1661350 1612845 8192 512 138065 175922 1759078 1746293 16384 4 23909 25619 369624 393497 16384 8 40951 46051 635980 633121 16384 16