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: Fri Dec 20 00:07:52 2024 Auto Mode Machine = Linux oleg349-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-oleg349-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 6670 12640 340306 338589 64 8 12023 32210 614542 566551 64 16 6400 63432 842003 809014 64 32 8245 88510 1163036 1105556 64 64 12716 119901 1105556 1392258 128 4 6957 19604 293563 182311 128 8 7350 27229 630273 558771 128 16 16231 44031 942199 895074 128 32 7635 99387 1040839 1319723 128 64 23993 120623 1440082 1440082 128 128 17488 131142 1705404 1827299 256 4 16399 17785 361674 390905 256 8 19906 36035 502969 620012 256 16 28153 70175 888266 792543 256 32 29358 91492 1128110 1168627 256 64 24146 123011 295324 1471270 256 128 33684 125132 1143731 1579483 256 256 26647 162545 2061693 2030503 512 4 17112 23890 208133 334404 512 8 29616 24995 543006 558251 512 16 33426 69955 805264 837942 512 32 45616 86369 1125040 1053304 512 64 26570 39454 1032044 1218910 512 128 51654 115289 749608 1447280 512 256 53400 123165 1970519 695697 512 512 46242 149132 2097550 1968713 1024 4 13555 20298 202613 216996 1024 8 28120 28243 477175 527585 1024 16 47361 33075 1022902 878890 1024 32 64075 98339 1095150 466499 1024 64 60963 98785 1149368 1261072 1024 128 62324 121874 1402756 1848247 1024 256 46908 113109 640007 1605111 1024 512 87844 85206 1957770 1969440 2048 4 18802 20739 259140 324984 2048 8 31746 28886 580487 361897 2048 16 37472 48088 280810 617634 2048 32 67884 104832 687920 573510 2048 64 72668 131401 1168888 1039087 2048 128 97741 96186 979824 1563282 2048 256 73341 108791 1496033 1499428 2048 512 100039 156266 1711208 608619 4096 4 18258 17954 332841 355214 4096 8 26565 33292 516970 491431 4096 16 51980 58504 661506 857287 4096 32 63796 65944 675341 675792 4096 64 73356 107489 1109752 623910 4096 128 107815 157702 922963 1091075 4096 256 105708 108348 673118 1185161 4096 512 102974 158833 1693297 1301918 8192 4 16482 18091 257488 156035 8192 8 20603 25011 535008 504157 8192 16 40915 52240 826873 564303 8192 32 46175 72327 611570 731170 8192 64 53761 66145 932072 966252 8192 128 52367 118076 983792 986758 8192 256 67347 81547 832523 1423954 8192 512 71647 99332 861064 1573910 16384 4 15553 17990 195447 169324 16384 8 22882 24616 502192 489176 16384 16 33073 35791 687973 409303 16384 32 46311 70599 1069250 1113121 16384 64 64189 78464 781935 1008669 16384 128 63009 96037 1285033 1392497 16384 256 64607 67401