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: Wed Jan 15 18:55:06 2025 Auto Mode Machine = Linux oleg259-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-oleg259-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 16732 13995 725882 666414 64 8 11607 26026 926260 929467 64 16 16318 70477 1279447 1105556 64 32 34389 66120 1232453 1599680 64 64 15963 91936 1828508 1452528 128 4 16498 22922 757430 776042 128 8 18672 49400 1015251 1024942 128 16 34733 79550 1778862 1732927 128 32 29263 68628 821147 1254941 128 64 23357 92217 1755594 2248149 128 128 37667 202149 2784517 1455701 256 4 20662 30802 663292 628725 256 8 26649 28165 1067543 958864 256 16 31863 76190 1190657 1128110 256 32 43251 134237 267779 1080434 256 64 48929 165501 1696795 1382252 256 128 68066 111792 1398455 547044 256 256 89884 193788 1924938 2135500 512 4 20203 27082 749608 1120344 512 8 35143 47561 1007827 853257 512 16 42046 84222 1323315 1574625 512 32 74105 132709 1270846 1594501 512 64 84683 157350 1510391 1296159 512 128 113576 199287 1538526 1740536 512 256 103309 221829 1650887 1815584 512 512 119432 225249 2032051 1835760 1024 4 27592 31419 521942 755118 1024 8 48407 58241 908640 1104727 1024 16 71894 86463 1352402 1270397 1024 32 83462 123090 1558516 1486247 1024 64 116496 178645 1756054 1454537 1024 128 124586 233145 1124099 1424152 1024 256 152743 237477 1838751 1882266 1024 512 147614 222990 2081090 1935711 2048 4 28901 33532 747158 718594 2048 8 50390 57285 1180454 1132668 2048 16 77587 92994 1166824 1119092 2048 32 106169 117155 1319537 1496033 2048 64 122752 170199 1450560 1490323 2048 128 122775 169678 1780738 1675821 2048 256 154052 210136 1709505 1637174 2048 512 153107 231567 2098276 1809243 4096 4 30306 31478 875416 982279 4096 8 49138 55684 1052636 1027823 4096 16 64280 87542 1290476 1341254 4096 32 79926 100550 1480920 1353192 4096 64 104357 100641 1528892 1526040 4096 128 95482 168927 1624757 1372653 4096 256 130820 183791 1485145 1798787 4096 512 119125 178281 1688471 1781625 8192 4 29003 29897 836332 860697 8192 8 44437 46475 1076034 1054600 8192 16 62755 75439 1395783 1234105 8192 32 86202 99733 1423954 1481674 8192 64 116894 116506 1722482 1112296 8192 128 126597 151126 1647885 1559197 8192 256 146694 121815 1517066 1728287 8192 512 126117 134508 1613526 1512258 16384 4 24307 28668 763246 812413 16384 8 45400 50293 1074702 970041 16384 16 70729 86112 1402987 1274712 16384 32 85422 104561 1208258 1424450 16384 64 115206 146370 1276891 1382134 16384 128 105113 156838 1233725 906735 16384 256 109863 143654 1672340 1010360 16384 512 117685 170679 1318010 1785718 32768 4 29050 30299 752493 740640 32768 8 41723 45438 757081 732344 32768 16 57544 69060 737801 754935 32768 32 72761 96147 1173891 1432106 32768 64 96569 109087 1000823 1504419 32768 128 121865 170070 1741038 1665789 32768 256 123621 176035 1747991 1676886 32768 512 126059 168434 1798849 1801112 65536 4 25626 27756 676486 767886 65536 8