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: Sat May 11 17:01:10 2024 Auto Mode Machine = Linux oleg360-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-oleg360-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 18807 31889 460591 987600 64 8 32260 68099 1124074 1087638 64 16 35419 75919 1526887 1392258 64 32 30532 89753 1526887 2298136 64 64 28827 80278 1204796 1330167 128 4 15571 26654 670413 448961 128 8 28992 38918 606767 715059 128 16 29170 70754 785122 780556 128 32 31081 82623 726674 615109 128 64 35744 110064 767171 901083 128 128 34161 136026 1684006 934004 256 4 16643 17717 741633 977189 256 8 30505 44481 1231629 1024752 256 16 64532 91986 1190657 1053922 256 32 61434 122185 1523457 1897721 256 64 60908 143744 992545 2097948 256 128 81891 171914 1952947 2266207 256 256 111990 138461 1766587 2114473 512 4 23013 24801 573456 580431 512 8 36170 43570 742096 501888 512 16 39417 101163 1333173 1391933 512 32 101388 121589 1329871 1038532 512 64 76748 111645 1030064 1276891 512 128 72184 136133 936209 1326585 512 256 81502 184368 953248 984720 512 512 69086 160754 1610042 1402845 1024 4 25638 24734 530845 601973 1024 8 31039 28561 764799 779796 1024 16 47491 50277 878171 832389 1024 32 65342 96231 1029029 1074599 1024 64 77322 122179 756315 1005892 1024 128 83852 143276 1084914 1128826 1024 256 94196 158715 1635675 2004366 1024 512 93678 173115 978841 1151834 2048 4 25880 30242 574469 617234 2048 8 37555 45987 652244 787720 2048 16 62158 127087 1306293 1575323 2048 32 94092 121291 1301149 1262519 2048 64 74216 98761 937683 1119092 2048 128 95526 211351 1952344 2204352 2048 256 119339 184203 1077809 1161617 2048 512 147201 287233 1432179 1350023 4096 4 33731 36596 993928 931723 4096 8 68902 58611 1083848 935579 4096 16 72225 64560 1064968 1100159 4096 32 65003 95783 1096367 1085286 4096 64 82351 105477 936242 930714 4096 128 95795 127923 980820 1101357 4096 256 92115 118333 1467135 2136585 4096 512 183602 287092 2064688 2360583 8192 4 40076 47900 1098288 1158031 8192 8 60014 63939 1446128 1425963 8192 16 101610 113942 1595914 1603436 8192 32 118188 173192 1500110 1470199 8192 64 146552 194921 1908682 1789401 8192 128 183302 244216 1365117 1307159 8192 256 135485 274338 1911762 2017742 8192 512 194477 269351 2051596 2226697 16384 4 36619 45369 1101506 1117902 16384 8 63609 75283 1354030 1403474 16384 16 87332 98776 1409982 1461562 16384 32 131589 168639 1553551 1830429 16384 64 153776 200580 1755519 1635134 16384 128 172256 211275 1761911 1756641 16384 256 187984 243693 1839445 1856139 16384 512 206475 289229 1990034 2039346 32768 4 36763 43831 956031 976692 32768 8 67468 80292 1491020 1386706 32768 16 97843 114226 1217062 1355229 32768 32 99141 153862