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 Nov 11 12:34:48 2024 Auto Mode Machine = Linux oleg228-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-oleg228-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 2264 4385 318502 592827 64 8 3996 4045 481234 598110 64 16 3842 5575 1002351 763021 64 32 3746 106487 1518251 1101022 64 64 42441 4562 1392258 1679761 128 4 23464 8211 312169 419494 128 8 8036 7874 289604 511887 128 16 8196 8431 785122 757430 128 32 6895 6593 1209698 1162547 128 64 6472 140955 1377278 1543594 128 128 70988 9416 2499332 1858934 256 4 24873 8615 441359 391904 256 8 12520 12687 565185 646518 256 16 14403 13850 802614 505098 256 32 11782 13343 1362952 1053922 256 64 15247 12562 1327564 1430119 256 128 15492 161299 1752173 1696795 256 256 124206 21574 1743637 1842366 512 4 27107 16389 433239 512549 512 8 19841 25427 826971 657364 512 16 18503 29450 1142396 890404 512 32 26885 29450 1080328 1299295 512 64 30646 33753 1166599 1120344 512 128 29636 29840 1537424 1368865 512 256 25558 289933 1834193 2071249 512 512 143492 32112 2427068 2739816 1024 4 27705 26337 407809 492101 1024 8 31376 40125 548750 560202 1024 16 41209 46916 1006836 935151 1024 32 45251 48660 1099918 1374474 1024 64 36429 47093 1848247 1238168 1024 128 48480 43212 1535668 1464956 1024 256 38339 59078 1943594 1784509 1024 512 41150 238135 1706515 1756054 2048 4 19354 18305 444158 354695 2048 8 27606 26923 720341 510218 2048 16 36432 38425 1058942 1013943 2048 32 44825 47063 1373772 989874 2048 64 51786 55501 1711208 1574169 2048 128 41969 67125 1748834 1849761 2048 256 52687 62877 1793378 1504945 2048 512 84736 87960 1609866 1897990 4096 4 21785 23979 519927 498417 4096 8 31634 28910 599002 641906 4096 16 31603 34550 997796 956306 4096 32 46613 48692 1436707 1486172 4096 64 39310 42158 1281142 1558574 4096 128 35220 39607 1313163 1249917 4096 256 37011 46267 1798034 1438271 4096 512 66171 74382 1531209 1490556 8192 4 14907 16257 352632 345682 8192 8 22572 24563 611668 515055 8192 16 34000 35158 945954 1054600 8192 32 36901 43187 1138086 1103898 8192 64 40760 38591 1243485 1084902 8192 128 36672 41091 836088 1626357 8192 256 40003 43131 1756380 1700993 8192 512 68047 89226 1829805 1670396 16384 4