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 15:47:27 2024 Auto Mode Machine = Linux oleg118-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-oleg118-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 15417 22614 538156 397208 64 8 27038 48710 645579 901377 64 16 33128 89275 942521 901377 64 32 48125 96392 1562436 1599680 64 64 49574 165007 1336792 1363961 128 4 26538 31936 307696 329205 128 8 36697 52853 852438 914904 128 16 43762 82155 789741 1306873 128 32 67583 97865 1451764 1732927 128 64 67728 141587 1217930 1911894 128 128 68928 237468 2098744 1409828 256 4 26627 40257 370408 346949 256 8 52032 59244 627623 666586 256 16 63318 116904 897923 1241598 256 32 92549 123307 1152323 1368162 256 64 84488 176317 1552085 1398455 256 128 93950 261454 1407621 2187712 256 256 95386 277969 1376935 1752173 512 4 32323 36618 516618 466762 512 8 43603 60370 572081 800163 512 16 66469 108175 888562 1062161 512 32 109471 153295 1040545 1127995 512 64 99962 153800 1147892 1216149 512 128 150903 180782 1760512 1695195 512 256 153339 194152 1667552 1616100 512 512 171458 299601 1917728 1700565 1024 4 25481 33231 513272 525133 1024 8 47779 55607 823136 752340 1024 16 80826 93081 1008017 1255175 1024 32 102183 159998 1302766 1378445 1024 64 137286 140907 1113030 1787480 1024 128 146787 192990 1780809 1878973 1024 256 141399 189491 1792702 1903117 1024 512 200308 321412 1790460 2316837 2048 4 30868 29039 531956 545988 2048 8 56529 62924 799971 843158 2048 16 90145 98074 966485 1088186 2048 32 111534 109523 1469167 1570427 2048 64 137303 188463 1362442 1454489 2048 128 160930 228365 1383731 1742802 2048 256 173559 274090 1684365 1594033 2048 512 185793 282565 1441311 1830057 4096 4 28547 32434 328808 478950 4096 8 48203 56910 726366 663525 4096 16 82675 75559 1153103 1257602 4096 32 112373 144388 1173985 1394605 4096 64 149538 172870 1492240 1789419 4096 128 189525 229132 1724746 1581968 4096 256 193034 232396 1584448 1932101 4096 512 215660 243593 1848528 1752724 8192 4 31669 33677 400314 470263 8192 8 50355 56601 698314 722909 8192 16 84407 90468 1009369 937412 8192 32 105335 148793 1299693 1008509 8192 64 145328 197113 1236904 1516530 8192 128 173364 234197 1720584 1875449 8192 256 199590 256160 1504511 1551803 8192 512 192390 260916 1946307 1943115 16384 4 30979 32637 451760 419008 16384 8 56221 57448 678685 706054 16384 16 82919 99174 949743 916848 16384 32 115052 147080 1538112 1496934 16384 64 143585 188623 1549767 1418540 16384 128 172532 238406 1671323 1456636 16384 256 217542 251377 1800456 1782615 16384 512 207626 275578 1869927 1802061 32768 4 29863 31678 476216 438163 32768 8 51954 61563 756785 789893 32768 16 82108 95939 1039819 1032973 32768 32 111769 133561 1255381 1179249 32768 64 143539 170627 1602192 1423576 32768 128 171123 228704 1556750 1600233 32768 256 185240 244877 1693874 1565831 32768 512 191244 246884 1760507 1700560 65536 4