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 Jun 4 23:11:14 2024 Auto Mode Machine = Linux oleg431-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-oleg431-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 20460 74157 754443 842003 64 8 41027 140335 516414 799377 64 16 45522 178741 1336792 1780008 64 32 53115 292156 1363961 1452528 64 64 56586 424198 2379626 1879725 128 4 42779 82955 883293 927549 128 8 44458 175573 1705404 1827299 128 16 49882 197538 1196221 1622919 128 32 79656 246632 1487977 2248149 128 64 113053 615814 1409828 1598754 128 128 101414 983630 1778862 2511022 256 4 42901 77785 763791 1487577 256 8 85476 174031 1108314 1445521 256 16 136386 222592 1610276 1683493 256 32 128456 502028 1552085 1361224 256 64 182088 536654 1598292 2000242 256 128 156389 651223 1057034 2000242 256 256 141359 1266495 2350543 2419396 512 4 50834 97005 915847 1305615 512 8 113630 174922 1556366 1723770 512 16 109054 219381 1089094 1242896 512 32 106910 274691 982917 869143 512 64 118463 401263 1023680 1091308 512 128 134269 562638 963945 1160923 512 256 150144 741072 962218 990625 512 512 152251 771143 1025636 1233614 1024 4 41763 47568 819837 802526 1024 8 68624 109908 802526 867879 1024 16 110462 279169 1787480 1796451 1024 32 231987 256128 1061060 1115632 1024 64 147315 279478 1475525 1568189 1024 128 251538 750762 1076755 2230218 1024 256 341444 870694 1565902 1404591 1024 512 350443 1286378 1824690 1735476 2048 4 47818 75322 1297807 1313685 2048 8 115535 158220 1423398 1524983 2048 16 128128 173174 1626633 1713940 2048 32 255198 407979 1668011 2043857 2048 64 314836 643016 1990343 2111687 2048 128 274090 557903 1221930 1407538 2048 256 241250 741226 1622945 1415424 2048 512 501461 1574169 1701042 1529327 4096 4 70827 93019 1251829 1133027 4096 8 99455 115614 1202919 1076783 4096 16 127279 245827 1502550 1640269 4096 32 244432 310819 1240083 1206891 4096 64 182905 450114 1609384 1924094 4096 128 439767 940548 1929280 2211675 4096 256 454905 995138 1655602 2108009 4096 512 437327 1052442 1305282 1365344 8192 4 66610 83547 1158227 1194506 8192 8 116182 133240 1308453 1531468 8192 16 163833 291187 1728634 1824074 8192 32 283354 434176 1467561 1839602 8192 64 333713 584142 1954166 2056138 8192 128 405282 902000 1475502 1906353 8192 256 441427 1110176 1959851 1957506 8192 512 487712 1201355 1989354 2130597 16384 4 66330 89404 1045436 1091169 16384 8 125389 155403 1555520 1139290 16384 16 198897 233081 1558589 1643149 16384 32 272517 424874 1386596 1822275 16384 64 318550 519661 1861166 1789392 16384 128 367759 791117 1810608 1857995 16384 256 410123 860857 1824307 1889724 16384 512 474566 1063410 2003436 1758844 32768 4 69101 86834 1057883 1117364 32768 8 109112 159623 1120891 1248346 32768 16 184188 257780 1636668 1764847 32768 32 260821 367193 1513814 1699235 32768 64 344886 554064 1831962 1623771 32768 128 419017 822885 1777584 1786619 32768 256 419204 850431 1722361 1714262 32768 512 473273 978179 1734402 1786712 65536 4