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 Nov 5 10:56:13 2024 Auto Mode Machine = Linux oleg229-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-oleg229-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 19110 32373 688639 477808 64 8 25298 51534 852702 1562436 64 16 34279 74590 1033216 1304314 64 32 45261 128511 1484662 1518251 64 64 38442 136413 1768283 2006158 128 4 28045 34742 908709 761728 128 8 32997 55223 992724 1057236 128 16 50874 95108 1085013 1269781 128 32 43053 121689 1391557 2286447 128 64 48302 120758 1710838 1642783 128 128 53378 149721 1939522 1778862 256 4 33653 36368 706964 907792 256 8 47751 58556 820398 1549845 256 16 67616 116258 1137672 1471270 256 32 89696 150683 1248819 1292410 256 64 87732 155057 1610276 1543163 256 128 88733 184974 2392442 2049885 256 256 116422 310706 2692393 2285501 512 4 32557 32204 773364 849208 512 8 45722 55143 835010 1053304 512 16 72316 93601 1302447 1376763 512 32 110179 167434 1910902 1718254 512 64 92889 173033 1705969 2107844 512 128 112895 208113 1551867 1869318 512 256 151212 287142 1867692 1917728 512 512 130278 218978 1867692 2360376 1024 4 30118 33780 874417 1167807 1024 8 53738 58487 1170352 1336827 1024 16 90506 82057 1831694 1612948 1024 32 119554 184604 1851434 1328146 1024 64 165001 218065 1735476 2043465 1024 128 136918 186796 1486247 1709231 1024 256 128239 211441 1665486 1865101 1024 512 150300 256894 1706515 2052253 2048 4 29327 34716 805975 863066 2048 8 54835 56613 1012390 1072829 2048 16 76195 91099 1432179 1245855 2048 32 107880 126630 1050781 1264935 2048 64 124180 169819 1748834 1528239 2048 128 145434 220216 1394966 1307885 2048 256 135595 205290 1593737 1732608 2048 512 152482 174596 1796378 1749190 4096 4 27096 28904 719852 699796 4096 8 48635 56594 926697 1064177 4096 16 65244 70441 1334275 1226712 4096 32 82456 122539 1443346 1307766 4096 64 126591 161018 1205705 1290089 4096 128 122671 164730 1491721 1367627 4096 256 154694 197711 1771521 1404639 4096 512 164347 175778 1673993 1655602 8192 4 28623 33757 790282 773053 8192 8 51045 52531 989486 1087925 8192 16 78180 87306 1225435 1138576 8192 32 103479 134898 1469193 1310949 8192 64 134427 161664 1690864 1642293 8192 128 145837 182890 1368542 1624435 8192 256 151883 201624 1601269 1741867 8192 512 151434 182972 1613905 1650259 16384 4 29256 33060 818470 926540 16384 8 56208 57676 1021701 1106436 16384 16 79048 89596 1236143 1213079 16384 32 100971 132284 1401671 1522234 16384 64 130932 169017 1583916 1511853 16384 128 139277 194365 1407211 1506186 16384 256 175001 241061 1664522 1617697 16384 512 153869 221005 1812183 1929790 32768 4