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: Mon Jul 29 03:32:28 2024 Auto Mode Machine = Linux oleg108-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-oleg108-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 14664 26924 639427 863676 64 8 16457 44014 886494 799377 64 16 19606 77008 955947 1087638 64 32 24738 106319 1484662 1518251 64 64 24700 133297 1734015 1879725 128 4 17790 31936 748976 1142750 128 8 26314 52522 789741 962469 128 16 31281 74639 1319723 1684006 128 32 41747 108484 1121270 1319723 128 64 44307 142716 1618028 1885042 128 128 41966 184440 1997245 2843510 256 4 21290 30702 711178 1153561 256 8 39426 54227 1028679 1304976 256 16 51150 75787 1190657 980760 256 32 54538 117698 1347557 1514860 256 64 44038 128903 1376935 1855098 256 128 63887 160816 1814348 1924938 256 256 70061 211208 1967260 2135500 512 4 24235 27872 773364 643960 512 8 37979 55059 941133 962649 512 16 58748 80566 1574625 1414860 512 32 62744 108290 1413929 1734911 512 64 76247 144467 1599251 1496706 512 128 83935 183126 1542947 1605228 512 256 87563 201891 1789859 2152206 512 512 110559 181885 2405320 2152206 1024 4 28229 30129 800582 795098 1024 8 42987 53040 982648 995171 1024 16 66022 82786 1374474 1169078 1024 32 79669 122826 1287921 1510288 1024 64 96157 146307 1408737 1482144 1024 128 111220 178645 1446698 1648862 1024 256 104950 210436 1756772 1762539 1024 512 130944 180560 2115949 2090206 2048 4 27366 29583 725451 718594 2048 8 44186 52428 971074 974268 2048 16 70043 82474 1306095 1237420 2048 32 93150 117249 1348327 1503627 2048 64 112780 146516 1430271 1524983 2048 128 124863 158846 1520394 1468162 2048 256 135728 197035 1545562 1846580 2048 512 140081 204022 1782585 1691329 4096 4 27639 28127 846473 702314 4096 8 42909 53901 1137754 1095179 4096 16 68890 80803 1262686 1319518 4096 32 89651 107015 1429653 1563966 4096 64 123065 142821 1562686 1513670 4096 128 127196 160994 1575873 1587670 4096 256 149129 172217 1665715 1740825 4096 512 153219 213523 1654964 1732050 8192 4 27886 30349 828728 818131 8192 8 45669 55063 1294356 1289063 8192 16 73558 86592 1443213 1315567 8192 32 92860 120110 1650656 1720670 8192 64 117894 151588 1751903 1740367 8192 128 131775 156856 1592217 1530923 8192 256 141637 195704 1705976 1757998 8192 512 158134 168131 1729766 1787911 16384 4 27929 30115 802077 832309 16384 8 46312 49848 1222422 1065702 16384 16 68214 79107 1276796 1437561 16384 32 96001 114272 1475369 1456204 16384 64 112655 138107 1478702 1439096 16384 128 136101 155819 1649618 1589448 16384 256 122129 166622 1827995 1694818 16384 512 136224 153098 1767621 1778141 32768 4 26538 29674 858452 867430 32768 8 46050 52364 1037127 1152626 32768 16 72010 83756 1422648 1345767 32768 32 96711 111833