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 10:56:27 2024 Auto Mode Machine = Linux oleg112-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-oleg112-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 16410 23022 500060 326244 64 8 28560 42664 829001 929467 64 16 35916 97548 1183548 1279447 64 32 40306 100469 842003 1143223 64 64 46955 138525 1279447 1163036 128 4 22452 30777 431288 342434 128 8 36046 69526 739689 831319 128 16 57402 76785 1240443 1349580 128 32 64841 123197 1561553 1406136 128 64 64974 156303 1455701 1175271 128 128 92487 239695 2211113 2248149 256 4 26566 35984 559005 569985 256 8 35664 53166 700964 505812 256 16 66268 94571 754665 924200 256 32 80328 144537 1099237 1334162 256 64 105789 166347 1266495 1817419 256 128 103765 254211 1540948 2030503 256 256 116738 257813 1790149 1561112 512 4 24229 30917 421091 536092 512 8 53183 60814 658170 793657 512 16 75174 89744 754083 1139970 512 32 101225 143176 1394645 1480200 512 64 115912 166719 1270846 1645826 512 128 124695 190772 1264113 1533034 512 256 133335 239145 1795846 1616100 512 512 144389 281017 1963313 1797349 1024 4 28385 32004 453495 406997 1024 8 44863 55700 678637 698050 1024 16 86749 78060 1108148 834653 1024 32 98423 146682 1153071 1084640 1024 64 117029 164395 1030016 1045053 1024 128 154546 222908 1819280 1861867 1024 256 171580 275852 1753186 1838751 1024 512 152515 258907 1630707 2015654 2048 4 27212 36758 455704 368085 2048 8 54555 55991 874043 787070 2048 16 72069 93541 739376 769376 2048 32 110344 129096 1284033 1334088 2048 64 113300 173412 1475476 1835140 2048 128 146266 203887 1818820 2128958 2048 256 182303 245063 1747411 1719773 2048 512 168837 243053 1882186 1887563 4096 4 28230 33430 544186 509021 4096 8 46413 54957 770922 698743 4096 16 64863 83528 831680 890434 4096 32 88414 117968 1053733 1237492 4096 64 128264 179830 1265383 1172302 4096 128 136007 185851 1497051 1479262 4096 256 176066 223008 1675953 1854315 4096 512 175794 247627 1805972 1868635 8192 4 29848 32743 451924 455290 8192 8 48858 59276 664228 544573 8192 16 78991 88377 996604 895582 8192 32 100775 118929 1125412 1147818 8192 64 156097 152747 1498736 1715944 8192 128 155398 206999 1482441 1238375 8192 256 187826 246717 1674222 1734131 8192 512 166948 268264 1944545 1954611 16384 4 30612 32672 546847 453121 16384 8 52658 56059 877275 690517 16384 16 81457 95274 1008181 957071 16384 32 125325 141452 1355525 1234744 16384 64 144209 179228 1392469 1581619 16384 128 169410 199253 1535946 1378088 16384 256 169036 246723 1347366 1383442 16384 512 185608 242084 1706476 1656098 32768 4 26119 29598 451462 431050 32768 8 48084 56136 751213 827766 32768 16 84405 94476 1010767 1026630 32768 32 118105 133618 1328852 1367554 32768 64 143956 149678 1552407 1540418 32768 128 168451 219191 1733374 1655874 32768 256 193175 237069 1769893 1749771 32768 512