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: Thu Apr 18 04:48:07 2024 Auto Mode Machine = Linux oleg319-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-oleg319-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 14591 25029 441646 385237 64 8 19559 47545 542506 695778 64 16 21391 54885 576282 710511 64 32 21806 120331 1163036 1336792 64 64 28307 118107 1255511 1562436 128 4 19113 25010 330625 377597 128 8 24620 51822 718889 743788 128 16 32233 61064 927549 853794 128 32 35675 107035 1172704 1231904 128 64 42806 132501 1637771 1663139 128 128 31188 103228 1684006 1852520 256 4 21142 28196 412215 274347 256 8 29350 47285 628725 557844 256 16 43964 73752 930608 864661 256 32 47646 106619 1158540 914752 256 64 44583 127178 1453348 1740810 256 128 64016 142221 1814348 1855098 256 256 44161 187953 1970871 1952947 512 4 23245 26543 414908 393542 512 8 37875 45158 623578 613250 512 16 54295 68083 860437 984720 512 32 64744 110439 1155924 1071167 512 64 61017 131314 1326585 1209982 512 128 86883 165805 2089386 1505098 512 256 93260 170208 1803387 1740536 512 512 99182 188511 2187279 2535981 1024 4 21810 28828 465034 431533 1024 8 38223 45604 575593 645199 1024 16 63827 70562 1006836 909410 1024 32 82481 103443 1175799 1142945 1024 64 107168 134403 1284839 1594978 1024 128 97376 179302 1565902 1673273 1024 256 106445 172885 1628234 1744641 1024 512 129981 168391 1519371 1711956 2048 4 23054 27693 403400 433357 2048 8 40939 45163 690742 698550 2048 16 64172 68559 898265 935538 2048 32 84782 106761 1258081 1034831 2048 64 94286 136097 1230683 1284801 2048 128 109571 160969 1420104 1440103 2048 256 102676 182268 1517172 1557613 2048 512 141377 180438 1615315 1754908 4096 4 23304 26039 461677 437650 4096 8 42664 45008 635919 659146 4096 16 62450 69240 863405 881434 4096 32 84300 99550 1073352 1149554 4096 64 103518 131438 1545674 1261851 4096 128 124558 169691 1496529 1581968 4096 256 126556 184521 1813981 1717505 4096 512 157732 186845 1725439 1770790 8192 4 24622 26635 448608 443529 8192 8 39127 46643 768763 658575 8192 16 64541 73818 1012372 894509 8192 32 91977 106232 1224518 1308453 8192 64 115017 145744 1447042 1505896 8192 128 133296 163512 1653993 1695788 8192 256 128756 177162 1890618 1801598 8192 512 152599 184483 1858809 1918059 16384 4 25571 27368 384972 397303 16384 8 43249 46432 692507 698618 16384 16 70231 72497 1062916 1127199 16384 32 103588 122188 1363297 1480837 16384 64 129708 142151 1533239 1526054 16384 128 137723 169773 1675602 1512418 16384 256 142910 183745 1780260 1760015 16384 512 163467 206779 2085011 1892118 32768 4 27265 27737 410730 410164 32768 8