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 Jun 19 22:55:10 2024 Auto Mode Machine = Linux oleg143-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-oleg143-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 21769 37846 557144 474430 64 8 27302 57238 524487 901377 64 16 38691 102074 1049372 1033216 64 32 38602 120981 983980 1638743 64 64 34499 169380 1599680 2067979 128 4 21958 36855 546819 462100 128 8 33685 31730 656477 757430 128 16 46446 71556 731625 889145 128 32 49591 136476 1133103 1618028 128 64 65601 177254 1471662 1802755 128 128 65641 226546 1778862 1598754 256 4 23198 26394 398744 239471 256 8 34473 52501 714967 933846 256 16 64578 103345 1158540 731528 256 32 80455 163361 1673001 1740810 256 64 73752 182739 1884399 1763685 256 128 111885 255482 1740810 1581810 256 256 98347 232471 1570244 2266207 512 4 29829 26044 516122 540137 512 8 46356 56417 748563 814117 512 16 82580 105918 879825 1185272 512 32 86897 148278 1421416 1042566 512 64 111304 144877 1667552 1514652 512 128 128132 221554 1496706 1741948 512 256 159951 298021 2039772 2160868 512 512 171870 339748 1772135 2370799 1024 4 23949 33632 542649 575285 1024 8 56146 66579 763711 901394 1024 16 79862 86948 1095150 1208894 1024 32 85140 167075 1412443 1630707 1024 64 148775 160975 1614767 2069060 1024 128 169984 212497 1692394 1681790 1024 256 174444 277205 1457004 1949771 1024 512 192480 256894 1657133 1759651 2048 4 33678 37712 456648 450022 2048 8 35150 49836 690964 836589 2048 16 79422 102564 917551 1073365 2048 32 110997 141445 1055688 1360715 2048 64 150785 118359 796558 996072 2048 128 182936 240400 1680082 1215532 2048 256 152778 292365 1683044 1921339 2048 512 194488 299021 1625402 1566704 4096 4 32025 32204 374780 439486 4096 8 56138 64061 740709 684844 4096 16 93710 82727 949226 881615 4096 32 127538 101931 810608 990091 4096 64 131720 152097 1511406 1314973 4096 128 170029 231254 1510343 1696139 4096 256 179076 235012 1603077 1710153 4096 512 188771 222137 1610138 1891888 8192 4 30295 34911 457119 273295 8192 8 46733 53199 569522 539265 8192 16 73030 68617 396092 443575 8192 32 84981 113621 1260315 821083 8192 64 111707 180040 1163324 1673162 8192 128 163552 215936 1394367 1461817 8192 256 184308 212540 1792107 1866990 8192 512 202325 292423 1588536 1783179 16384 4 29765 34948 422801 492232 16384 8 48990 57456 726399 557657 16384 16 83825 95056 1062440 981022 16384 32 117960 148841 1173572 1208875 16384 64 158044 168210 1458708 1587465 16384 128 181727 228472 1534677 1645313 16384 256 195268 260733 1678344 1615757 16384 512 216048 261654 1589595 1687327 32768 4 28932 32947 482370 489643 32768 8 52244 58491 720999 713043 32768 16 79537 100221 851158 991138 32768 32 122512 152479 1408462 1196788 32768 64