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 Dec 20 00:06:38 2024 Auto Mode Machine = Linux oleg209-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-oleg209-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 11053 15663 383585 333540 64 8 16597 32633 560635 571375 64 16 20317 67297 400168 1183548 64 32 9965 106657 1279447 1083249 64 64 28132 128573 1562436 1518251 128 4 15963 9795 336848 251956 128 8 24801 33996 584313 579270 128 16 25127 78047 1000121 748976 128 32 19652 107206 1085013 1093856 128 64 18702 139744 1142750 1346196 128 128 25858 81112 1878447 1939522 256 4 11821 19290 360581 320060 256 8 14868 43842 618227 537729 256 16 33066 77248 1040643 891956 256 32 21385 102194 1224606 1099237 256 64 31793 160312 771473 1126926 256 128 56863 173105 1619994 1694118 256 256 44314 204646 1985448 2152625 512 4 18208 25283 275395 352404 512 8 21732 27810 652174 164258 512 16 27470 53545 896725 879465 512 32 60448 115575 1110496 1108203 512 64 68120 45828 1467055 1224470 512 128 63769 187556 1589779 882718 512 256 38557 228266 215940 1795846 512 512 82090 187818 2071249 2073249 1024 4 17969 26218 386696 432619 1024 8 42115 37073 441968 496367 1024 16 47090 50044 861957 887425 1024 32 58544 84958 1018777 1137798 1024 64 72743 90077 1236742 1271902 1024 128 56948 157979 1446211 1542286 1024 256 98159 140814 1865101 1140517 1024 512 63657 150348 1053254 1082454 2048 4 20084 23408 343448 348422 2048 8 22486 41326 442716 565097 2048 16 38381 50428 702836 714588 2048 32 61865 125782 1140185 983639 2048 64 74294 67506 1294482 1239742 2048 128 95678 118148 1510502 1531781 2048 256 87379 153373 1424106 550537 2048 512 160039 167185 828520 592417 4096 4 17474 18129 388247 224450 4096 8 33982 45807 477991 454099 4096 16 50754 62536 777517 1047309 4096 32 85319 85037 715356 995657 4096 64 90475 77734 538371 723277 4096 128 118091 110350 1178333 483071 4096 256 95129 101308 911456 1034570 4096 512 89126 142078 1457056 1634495 8192 4 19629 19102 321230 253473 8192 8 25202 34287 211872 253261