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: Fri May 31 07:01:32 2024 Auto Mode Machine = Linux oleg228-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-oleg228-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 18232 41426 1066042 1083249 64 8 24816 38093 955947 955947 64 16 34424 67432 1083249 1599680 64 32 38927 112892 1599680 1363961 64 64 42807 124057 2222043 1690338 128 4 23827 34943 621518 852438 128 8 35616 47074 1067750 752124 128 16 45471 69195 1642783 1185654 128 32 60296 140036 1487977 1637771 128 64 66735 169745 1598754 1406136 128 128 75204 162010 1642783 2211113 256 4 27705 34800 770920 1169901 256 8 44260 65608 1089202 1471270 256 16 52816 100746 1368162 1894373 256 32 71189 158607 1629830 1298662 256 64 90551 211541 1729594 1938842 256 128 98428 246395 1683493 2170027 256 256 118739 235067 1471270 1842366 512 4 29445 39327 733478 1118011 512 8 60228 66918 1028091 1550747 512 16 60426 102116 1333173 1610042 512 32 101767 150459 1614885 1999881 512 64 127782 197600 1999881 1910902 512 128 152793 195424 2055390 1985091 512 256 104961 182720 1954379 2207515 512 512 130953 248902 2452009 2368185 1024 4 30901 40006 679067 941093 1024 8 50861 76286 1174192 1452570 1024 16 82860 104351 1570483 1454537 1024 32 102420 135024 1343518 1659694 1024 64 116153 142458 1572783 1659694 1024 128 149251 203217 1900591 1703807 1024 256 172739 218386 1896395 2106609 1024 512 152765 244340 1896395 1962242 2048 4 29421 38554 876273 959254 2048 8 49881 75296 1000480 1128353 2048 16 87507 122761 1407538 1749190 2048 32 118614 141788 1408461 1476490 2048 64 109360 159105 1729816 1773019 2048 128 178318 225104 1908532 2016035 2048 256 176781 222221 1963500 2072957 2048 512 141671 270576 1693997 2043857 4096 4 33971 32872 1045970 934765 4096 8 58639 59263 1065298 1142521 4096 16 79981 83064 992493 1131162 4096 32 106919 138993 1620925 1796530 4096 64 131244 163827 1271188 1363502 4096 128 159668 214395 1500975 1559706 4096 256 189489 231519 1722498 1740120 4096 512 186537 274439 1816475 1810731 8192 4 31005 36935 662512 669769 8192 8 50381 58639 1378646 1287035 8192 16 75441 96579 1131639 1315366 8192 32 108103 132457 1574487 1421244 8192 64 141521 184234 1683574 1522646 8192 128 168868 219184 1555597 1568450 8192 256 161002 247648 1649942 1718433 8192 512 170737 241545 1818764 1673896 16384 4 32227 37175 827309 944755 16384 8 55637 61190 1152357 1085327 16384 16 73231 97720 1419008 1406836 16384 32 117144 150021 1548440 1538973 16384 64 151810 188455 1776027 1666055 16384 128 172015 212951 1744822 1726628 16384 256 195217 209428 1432437 1502564 16384 512 187635 244508 1632686 1840479 32768 4 31233 36001 778079 961361 32768 8 57211 54314 1110888 1086406 32768 16 87265 100503 1170621 1210224 32768 32 116359 144508 1520698 1665971 32768 64 168415 186093 1561046 1704166 32768 128 163699 206959 1693874 1448879 32768 256 183588 248779 1586215 1792561 32768 512 193263 236402 1747813 1839957 65536 4