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 Nov 5 05:23:53 2024 Auto Mode Machine = Linux oleg136-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-oleg136-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 12119 19571 321554 330257 64 8 18598 56043 529661 492717 64 16 18745 63931 811459 901377 64 32 32889 116771 1143223 1255511 64 64 22355 125742 1232453 1392258 128 4 19067 25029 172029 237468 128 8 23682 42881 190190 624409 128 16 34362 62866 889145 799146 128 32 51652 90583 901083 1209698 128 64 48612 136615 1359835 1349580 128 128 44140 82572 2090572 1561553 256 4 18787 27242 335459 321209 256 8 30606 37437 379306 570288 256 16 46394 82845 733527 764334 256 32 57245 103226 661657 1175022 256 64 61172 149197 1497953 1280084 256 128 100389 198297 1619994 1175022 256 256 67744 176549 1588832 1855098 512 4 23389 25468 376764 313922 512 8 35196 40651 548274 229706 512 16 69518 80742 833713 826971 512 32 64209 93978 973559 922535 512 64 102815 171581 1369738 910797 512 128 106713 147808 1565443 1662389 512 256 83117 203344 1662389 1368865 512 512 95347 262695 2216629 1789859 1024 4 26189 27708 480754 383520 1024 8 36327 47134 486692 584842 1024 16 64793 66910 875308 848337 1024 32 80808 113524 1212991 1101046 1024 64 105754 182797 1226150 1771993 1024 128 121197 203496 1532928 1544504 1024 256 139014 188303 1698417 1675884 1024 512 152358 228118 1589665 1319577 2048 4 26844 28538 371620 367157 2048 8 46625 52028 548779 614453 2048 16 69172 84252 964640 785558 2048 32 105025 124150 839368 1130878 2048 64 73360 186200 1473198 1289817 2048 128 118925 187820 2019827 1449336 2048 256 132096 214358 1756343 1204116 2048 512 126217 142470 1702391 1074036 4096 4 27361 25932 383480 371217 4096 8 38818 44519 763318 666227 4096 16 70376 81763 849277 795150 4096 32 79898 124585 897458 1098681 4096 64 90051 167613 917345 1087897 4096 128 125886 134155 1344719 1374960 4096 256 157774 202851 1784586 1538201 4096 512 155849 239071 1508090 1583280 8192 4 26030 26928 360880 382306 8192 8 44458 49039 596038 710311 8192 16 66895 77948 802426 850492 8192 32 94975 131807 865510 1020551 8192 64 123879 156138 1321741 1287035 8192 128 140302 190507 1519548 1526095 8192 256 158131 193729 1651608 1578103 8192 512 133485 220849 1732994 1787446 16384 4 26268 28327 361119 399318 16384 8 46233 48199 603730 489630 16384 16 67170 80180 851249 887495 16384 32 97785 100074 1033549 1124046 16384 64 95671 116399 1106953 1145576 16384 128 129658 173130 1446061 1563341 16384 256 130670 168381 987039 890335 16384 512 130759 159797 1087268 1711278 32768 4 25042 27432 373050 385541 32768 8 44269 48295 640840 651697 32768 16 67554 81269 914669 980230 32768 32 101595 121522 1165449 1155387 32768 64 124757 156066 1397649 1306592 32768 128 131037 192985 1221866 1502495 32768 256 164088 205849 1526085 1645388 32768 512 151274 216649 1751644 1682305 65536 4 26339 29154 384831 385134 65536 8 44672 51052 623286 610312 65536 16