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 Feb 27 12:16:07 2024 Auto Mode Machine = Linux oleg221-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-oleg221-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 9566 29963 355635 492717 64 8 13120 57397 598110 639427 64 16 22077 123999 863676 710511 64 32 20895 119421 1163036 1163036 64 64 12657 31607 1183548 1279447 128 4 24450 9653 67118 384356 128 8 17367 54817 640042 561694 128 16 42940 72976 730629 739689 128 32 34443 85559 1185654 864797 128 64 38027 155533 1584598 1487977 128 128 20394 200339 1557024 1772988 256 4 17076 22141 269526 322463 256 8 35919 45551 566377 577962 256 16 36855 84322 785010 805021 256 32 76582 143744 1152323 947860 256 64 59231 144149 1354356 1272498 256 128 48864 239044 496917 1219045 256 256 85873 244989 1729594 557844 512 4 25470 23691 319813 176054 512 8 28835 45636 486758 514021 512 16 54248 64933 802555 853257 512 32 73019 103789 533960 872320 512 64 103414 183172 1270846 1216149 512 128 108492 220689 1446306 1383861 512 256 133826 211850 1759070 1289156 512 512 118824 236277 1882427 1992458 1024 4 26525 32575 330209 402987 1024 8 35946 50780 658050 636027 1024 16 76904 95962 846998 674481 1024 32 98508 149531 1294520 1043783 1024 64 94023 195005 1204487 489465 1024 128 106755 217402 1058967 1599731 1024 256 144612 289188 1609925 1678504 1024 512 92830 251833 1712639 1914144 2048 4 29307 26784 335573 418637 2048 8 49224 59173 663889 662557 2048 16 69023 101095 834557 919613 2048 32 108596 130372 1157079 1028635 2048 64 142666 163852 1113723 1322992 2048 128 156457 207117 1492654 1509175 2048 256 188948 213351 1211247 1710867 2048 512 143779 260492 1670606 1689998 4096 4 28356 32009 422787 406231 4096 8 56183 59397 624023 809805 4096 16 77431 89002 981998 925649 4096 32 111995 121528 1141230 1206891 4096 64 137403 173236 1325933 1381484 4096 128 157205 209956 1346088 1507031 4096 256 133069 225576 1270436 1494316 4096 512 163018 266789 1807683 1638392 8192 4 29628 32161 496637 425271 8192 8 51974 57637 570429 611570 8192 16 78794 101086 895512 957901 8192 32 110771 142111 1171935 1193800 8192 64 147481 191152 1245739 1303044 8192 128 170652 247351 1516195 1551523 8192 256 191031 241822 1815976 1729417 8192 512 170404 233822 1732994 1744520 16384 4 31442 33763 437969 433931 16384 8 50539 56433 754323 652360 16384 16 81226 96414 895790 928543 16384 32 119818 151612 1300426 1211475 16384 64 153045 198992 1399160 1440605 16384 128 184375 229310 1555626 1577046 16384 256 188731 238987 1425928 1435039 16384 512 169361 272421 1731413 1783401 32768 4 28650 31663 408074 398986