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 Dec 24 23:01:42 2024 Auto Mode Machine = Linux oleg339-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-oleg339-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 15485 29238 344233 303383 64 8 16385 42725 546928 582535 64 16 27985 63688 780776 763021 64 32 35224 106109 1066042 1049372 64 64 28908 133895 1518251 1492919 128 4 20291 27345 346859 312169 128 8 31121 45664 640042 612303 128 16 49079 89825 1206978 809997 128 32 68857 113580 1065630 955616 128 64 53554 176265 1142750 1196221 128 128 84429 249034 2511022 1967960 256 4 23999 25914 301883 461267 256 8 37552 61290 609455 507006 256 16 49680 80202 969251 885337 256 32 80353 113975 1579483 1248819 256 64 88975 154499 1629830 1881098 256 128 99101 225965 2148318 1790149 256 256 84514 186161 1694118 2097948 512 4 25619 27728 482493 359543 512 8 37304 57767 881269 735740 512 16 58837 89445 1038532 1180062 512 32 106291 122511 1025636 1391032 512 64 117459 189475 1624659 1610042 512 128 132472 204234 1242896 2022482 512 256 126042 209678 1801873 1999881 512 512 158605 275289 2753870 1797349 1024 4 28798 34078 414539 362205 1024 8 53161 55742 721139 682737 1024 16 71790 85368 1003777 1075676 1024 32 93007 141473 1037480 1203474 1024 64 129652 170436 1204825 1219189 1024 128 134508 205090 1352828 1374474 1024 256 143400 254218 1765437 1670020 1024 512 167871 237477 1000037 1805514 2048 4 28621 29820 397980 361958 2048 8 49493 50026 724962 655579 2048 16 72036 84548 878154 856184 2048 32 103252 114694 1194904 1043378 2048 64 127283 179680 1295263 1317918 2048 128 139092 216007 1494732 1529327 2048 256 98093 210528 1622638 854396 2048 512 181222 232702 1430986 1650068 4096 4 27179 28542 482732 391923 4096 8 44837 53024 683346 519000 4096 16 74149 80663 812524 860895 4096 32 100909 126360 1009879 1085903 4096 64 102484 148212 1412492 1486815 4096 128 157031 188157 1291349 1755770 4096 256 158458 218068 1910401 1778490 4096 512 168082 229365 1484118 1376834 8192 4 27058 29936 410462 468487 8192 8 45978 53179 645607 699209 8192 16 73473 87622 760275 893835 8192 32 103335 118031 1064599 1056221 8192 64 128049 159641 1417784 1340564 8192 128 161622 188321 1696793 1491644 8192 256 192354 205983 1939496 1661993 8192 512 204335 242568 1687294 1768585 16384 4 28276 32042 395950 404684 16384 8 47705 53486 768297 811042 16384 16 81095 89007 830579 896924 16384 32