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 Apr 15 15:17:41 2024 Auto Mode Machine = Linux oleg423-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-oleg423-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 16024 35936 470274 474430 64 8 29143 52636 818885 367817 64 16 39558 97090 1101022 1143223 64 32 42102 136136 926260 1070292 64 64 44014 125978 1304314 1638743 128 4 24279 29017 490380 571865 128 8 36942 56065 814915 864797 128 16 47302 105252 1007629 976473 128 32 48798 90982 1082825 1294270 128 64 61959 128752 1220700 1521718 128 128 76283 228961 2132084 2238774 256 4 19800 33138 339490 340459 256 8 42280 45182 501091 613985 256 16 57840 76440 680960 864661 256 32 77622 165476 1023775 1487577 256 64 96595 202371 1639786 1552085 256 128 103685 238354 1855098 2114473 256 256 107023 280145 2148318 1952947 512 4 27109 35223 443346 479476 512 8 39515 67342 816594 946109 512 16 63682 90680 1120344 992456 512 32 112030 146328 1143004 1302447 512 64 119015 202367 1361920 1707325 512 128 120952 155010 1650887 2198475 512 256 148493 208964 1848401 1968713 512 512 150144 311418 1821745 2360376 1024 4 27632 28885 335864 342233 1024 8 57018 54128 629409 745291 1024 16 82554 100422 1096268 1164956 1024 32 122549 106004 1336827 1706515 1024 64 127202 183837 1475525 1756772 1024 128 131249 192549 1319577 1793451 1024 256 186796 268976 1577984 2138070 1024 512 174295 198145 2019445 2179295 2048 4 26043 37463 393243 373722 2048 8 46596 62126 762817 747158 2048 16 80231 100029 1100454 1060642 2048 32 112675 113866 991817 1191423 2048 64 128966 172912 1149954 1043252 2048 128 167511 191723 1652925 1639674 2048 256 167871 203901 1851755 1787035 2048 512 184353 270832 1804302 2209455 4096 4 29368 32199 437940 323917 4096 8 51622 63966 715326 687475 4096 16 83245 72634 1022927 863231 4096 32 122837 130433 1351808 1308562 4096 64 165581 178858 1374960 1160033 4096 128 179862 225849 1603077 1786999 4096 256 194657 261323 1439717 1882352 4096 512 198728 256592 1529028 1748977 8192 4 31031 33898 540053 498633 8192 8 49005 61439 709255 778112 8192 16 77336 95741 1025149 889001 8192 32 118764 128572 949483 1350045 8192 64 145480 197674 1511726 1449117 8192 128 179056 213738 1595692 1478677 8192 256 186203 222137 1420539 1377983 8192 512 205329 318494 1858106 1560118 16384 4 29371 30682 481823 336495 16384 8 54251 59700 714868 742569 16384 16 86001 94871 961894 1099884 16384 32 111737 146998 1327276 1326098 16384 64 136677 176492 1451437 1394616 16384 128 159406 205387 1509462 1543917 16384 256 163665 209631 1597503 1629589 16384 512 172788 244957 1592246 1609400 32768 4 29297 33693 443427 413126 32768 8 55469 55166 635136 684576 32768 16 81079 90204 1030046 993574 32768 32 112141 135770 1006113 1332201 32768 64 141379 169394 1530708 1372539 32768 128 166410 202158 1553056 1605317 32768 256 186750 245729