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 Jun 14 16:59:59 2024 Auto Mode Machine = Linux oleg315-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-oleg315-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 13553 26436 842003 541412 64 8 25744 57767 1049372 983980 64 16 29289 73067 1279447 1210227 64 32 31040 126751 1392258 1105556 64 64 31022 187088 1828508 1879725 128 4 22706 29809 747933 677178 128 8 34724 51593 985435 1040839 128 16 32081 92487 1102844 1254941 128 32 50510 112179 1579934 2027414 128 64 56460 143825 1802755 1642783 128 128 60127 145936 1598754 2035099 256 4 21742 26302 714967 948698 256 8 42953 52139 1143731 1044693 256 16 50373 89138 1300235 1230218 256 32 70193 132563 1437779 889002 256 64 74180 153395 1743637 1506359 256 128 98682 242883 1884399 1790149 256 256 53479 166116 1117543 1662639 512 4 28350 35169 819085 718268 512 8 45507 56121 1251589 1049187 512 16 67393 88429 1296159 1518938 512 32 84965 115943 1122687 1299295 512 64 103519 169643 1605228 1413929 512 128 121671 196533 1645826 1821745 512 256 128739 221737 1947291 1861217 512 512 115005 305482 2057359 2198475 1024 4 28195 33416 477388 861957 1024 8 45480 58125 1088213 1088213 1024 16 70060 87207 1125277 1167489 1024 32 81308 139529 1223356 1412443 1024 64 110405 161947 1482144 1427940 1024 128 134825 186075 1530197 1646334 1024 256 141496 187309 1080275 977950 1024 512 148001 199842 1872419 1799462 2048 4 29071 31456 815928 757102 2048 8 49991 53465 1134613 1276781 2048 16 75995 82018 1112425 1257344 2048 32 93806 133072 1561009 1415424 2048 64 117249 172347 1840251 1533970 2048 128 144612 196055 1461667 1615315 2048 256 153441 212649 1818820 1762469 2048 512 160764 222826 1693997 1855355 4096 4 29422 31764 813987 834711 4096 8