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: Mon Dec 9 23:41:26 2024 Auto Mode Machine = Linux oleg211-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-oleg211-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 15263 28855 155272 329852 64 8 16545 48117 592827 566551 64 16 22687 24122 771797 754443 64 32 8456 98011 852702 1163036 64 64 15481 63104 877797 1484662 128 4 14575 21850 349569 359398 128 8 21846 26661 493989 348661 128 16 20856 45440 692017 753179 128 32 37612 88391 1165070 1319723 128 64 30273 107399 1185654 1579934 128 128 41355 73395 1710838 1710838 256 4 9423 22634 281319 339920 256 8 32136 35408 632056 330300 256 16 34408 85825 792543 831194 256 32 47452 102068 1445521 691930 256 64 41084 112968 1321031 1243036 256 128 79063 166554 1532153 1683493 256 256 45092 143898 2463808 1814348 512 4 17125 20790 363868 226963 512 8 27115 44394 563820 361054 512 16 64533 76109 816594 622855 512 32 48084 114417 1032540 1057454 512 64 92604 102559 1350783 1350783 512 128 108916 134202 1373241 1546280 512 256 75174 153514 695472 1624659 512 512 137935 231140 635386 2196227 1024 4 19679 23068 326742 350443 1024 8 38455 43027 897438 644424 1024 16 61981 81438 847667 837910 1024 32 76009 90213 993330 975285 1024 64 93007 116046 1343938 583808 1024 128 110761 188999 920914 1558516 1024 256 88154 220834 1563622 1460472 1024 512 96912 189073 1841906 1720874 2048 4 22404 23873 414576 229752 2048 8 34286 43686 565730 384099 2048 16 59290 70118 669320 472420 2048 32 54938 113481 1049754 996534 2048 64 111540 141152 1139580 1030239 2048 128 117524 181207 711569 1380839 2048 256 139253 193922 1770096 1523901 2048 512 121219 175355 1982533 935640 4096 4 25914 27014 326323 360847 4096 8 43252 46143 579113 651398 4096 16 76622 79586 1008101 861759 4096 32 108196 118790 1062794 1031464 4096 64 120110 150213 1433710 933444 4096 128 113535 207276 1630617 1122808 4096 256 140307 225552 1424674 1341254 4096 512 149456 193362 1592526 1570543 8192 4 26154 26472 301108 312888 8192 8 44611 44511 503072 553102 8192 16 57024 67125 905280 996373 8192 32 97381 111596 1210199 1191069 8192 64 124851 150226 1332454 1215249 8192 128 127794 156249 1172935 1478486 8192 256 166196 220607 1430653 1408543 8192 512 146424 206134 1745229 1605910 16384 4 25965 27460 354747 370889 16384 8 43582 47680 637112 610683 16384 16 58308 60020 715151 773852 16384 32 67753 88011 700827 1047971 16384 64 95712 108505 1128847 1049251 16384 128 111731 149710 1574624 1183231 16384 256 111937 132918 1217420 1183312 16384 512 102207 160982 1391764 1249063 32768 4