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 Dec 17 05:15:41 2024 Auto Mode Machine = Linux oleg234-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-oleg234-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 4914 22121 42664 429630 64 8 11834 39315 551422 639427 64 16 5970 59325 818885 710511 64 32 6172 55648 1033216 415659 64 64 8438 29023 1357066 1599680 128 4 6809 21494 190190 419494 128 8 12252 25884 518312 481150 128 16 10466 52053 895074 757430 128 32 21928 78965 921183 1000121 128 64 17977 102714 1294270 1231904 128 128 25201 105958 1487977 1802755 256 4 13201 21257 123138 253731 256 8 9714 33728 520272 149176 256 16 18314 54724 766517 624339 256 32 20003 72399 973645 995306 256 64 19061 108790 1148625 1175022 256 128 35743 109355 1552085 1362952 256 256 26910 153483 1911233 1319408 512 4 13671 24748 311463 351423 512 8 19178 26296 729244 364177 512 16 31363 67546 803757 803757 512 32 23037 66048 902757 898225 512 64 46465 52006 1160923 1283761 512 128 41847 136497 1316823 1239310 512 256 62891 101345 1585086 1213400 512 512 31753 153800 1677976 1672748 1024 4 14058 16715 395055 298618 1024 8 27722 40364 328215 508713 1024 16 40902 43186 720172 511500 1024 32 47239 93850 853394 1117955 1024 64 51861 127968 1236742 1054547 1024 128 69184 73897 1150600 1361836 1024 256 63186 172130 1402298 1099918 1024 512 72199 159825 630148 1643814 2048 4 21221 20163 254918 287396 2048 8 31350 30613 191223 471979 2048 16 52261 60457 713816 759377 2048 32 65450 85001 634280 876720 2048 64 72911 123792 817559 878244 2048 128 100308 159849 657486 970635 2048 256 70443 144490 609482 1473451 2048 512 85106 140496 1330781 1719773 4096 4 18415 17898 353744 279571 4096 8 35630 43861 291278 435376 4096 16 56157 53169 582727 766451 4096 32 42658 83776 809195 817240 4096 64 56084 106786 1101075 1332929 4096 128 85126 136428 1460773 865798 4096 256 96818 125636 1018138 707403 4096 512 48627 130023 701138 1693965 8192 4 17549 18907 296662 294304 8192 8 35396 29177 267337 572988 8192 16 49456 38719 363249 399064 8192 32 41164 68682 829648 806532 8192 64 62082 81660 670371 958355 8192 128 73554 71834 851905 976162 8192 256 79533 101742 1263606 1201859 8192 512 73898 110941 1259345 1469444 16384 4 18565 21010 329380 307843 16384 8 33533 39037 493788 636593 16384 16 45684 50178 764817 904039 16384 32 41955 64433 790153 696543 16384 64 69459 73353 1271857 732602 16384 128 77521 92003 1077482 1275019 16384 256 77120 101329 1479626 1339879 16384 512 91734 135492 1605640 1497064 32768 4 19868 21319 275868 337463 32768 8 31691 30670 409769 390029 32768 16 53789 54523 704534 853447 32768 32 57733 73267 988777 994566 32768 64 75937 103015 1151901 916896 32768 128 87722 96975 1382201 955586 32768 256 77021 119779 1492493 1562839 32768 512