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 Apr 16 17:28:03 2024 Auto Mode Machine = Linux oleg421-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-oleg421-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 12183 21418 287156 304761 64 8 19723 40896 524487 441646 64 16 22416 63238 639427 1163036 64 32 22277 116568 969761 1679761 64 64 20746 95979 1304314 1452528 128 4 15068 26873 355354 481150 128 8 30202 41371 455822 727658 128 16 34159 74723 927549 901083 128 32 44506 99075 1732927 1057236 128 64 34810 142868 1858934 1997245 128 128 48949 145817 1504659 1642783 256 4 23387 19678 293548 332447 256 8 33359 49070 633548 555248 256 16 41051 75579 1327564 1254656 256 32 50732 117595 1479379 1523457 256 64 64961 184149 1293967 1463250 256 128 58327 208988 1523457 1855098 256 256 78964 180648 2310087 1752173 512 4 25066 26153 401263 519870 512 8 39491 57938 759685 669247 512 16 43174 83333 745445 1103080 512 32 56642 115812 914287 964378 512 64 90715 166177 1248678 1842059 512 128 80340 197002 1776533 2055390 512 256 89430 206452 1970519 2024389 512 512 80325 185434 2287463 2381315 1024 4 23925 24348 386696 319190 1024 8 39556 45090 474539 689090 1024 16 56223 78951 1092921 955965 1024 32 90883 116509 1314327 1517224 1024 64 109473 163004 1101046 1049138 1024 128 102574 179018 1223356 1744641 1024 256 88496 180000 1599731 1787480 1024 512 115874 195904 1514549 2226749 2048 4 23813 25733 294046 294884 2048 8 40503 41860 602852 525256 2048 16 69807 74837 867774 886583 2048 32 74755 97019 1019963 948974 2048 64 75992 111784 1154436 1299574 2048 128 110286 173132 1326260 1396100 2048 256 129857 182060 1439379 1555075 2048 512 147870 200827 1828499 1729816 4096 4 25244 26768 356112 381657 4096 8 43088 47826 621630 738957 4096 16 56630 72317 1087622 963547 4096 32 85763 103481 1086452 1109394 4096 64 112480 130574 1313666 1542205 4096 128 108796 172398 1737831 1768603 4096 256 131907 168130 1715275 1460773 4096 512 134533 189885 1534765 1386613 8192 4 23323 25451 440290 371048 8192 8 39220 43987 647529 674238 8192 16 61643 65469 796123 793494 8192 32 83030 99219 1159516 1000726 8192 64 122735 132569 1438741 1604709 8192 128 124012 147425 1299496 1397941 8192 256 139296 207330 704211 706150 8192 512 150482 162868 1614512 1561252 16384 4 23797 24989 390447 393968 16384 8 39893 46607 595609 735700 16384 16 64652 70069 911087 855519 16384 32 91096 107393 848296 921014 16384 64 114940 139878 1276108 1318515 16384 128 145056 147994 1287344 1563234 16384 256 142093 178782 1518568 1565014 16384 512 141056 174298 1538559 1475242 32768 4