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: Sun Nov 24 01:17:57 2024 Auto Mode Machine = Linux oleg158-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-oleg158-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 24096 26261 488236 345563 64 8 31418 61897 863676 743988 64 16 23961 68238 621657 647135 64 32 45139 140630 1648808 1336792 64 64 49382 222250 1279447 1599680 128 4 23092 31707 325809 429563 128 8 37177 62103 780556 542400 128 16 52094 62413 1152564 785122 128 32 42367 123680 1579934 1579934 128 64 71346 214765 1885042 1997245 128 128 91245 165200 1487977 2248149 256 4 29931 34395 515032 426628 256 8 39629 71727 879535 757861 256 16 61172 117582 907792 1298662 256 32 70465 145359 1588832 1495866 256 64 88550 166786 1766587 1040643 256 128 106672 241517 1911233 765970 256 256 96752 298443 1543163 2330140 512 4 22743 32162 537703 454705 512 8 38861 51607 678122 674502 512 16 49198 94205 974885 1233614 512 32 75250 141200 652967 1014013 512 64 109427 135952 1160923 1394645 512 128 99380 135669 984720 949875 512 256 80654 206611 1546280 1510391 512 512 131684 219448 1999881 1985091 1024 4 27486 28849 444070 377188 1024 8 46236 65996 643266 731331 1024 16 86317 107010 977950 931702 1024 32 109434 148021 1230718 1256277 1024 64 108659 191655 968904 1180972 1024 128 132536 211222 1245710 1605111 1024 256 170863 271544 1432225 1450607 1024 512 170748 302594 1928757 1560781 2048 4 29096 33137 506070 501227 2048 8 50933 53301 807870 829880 2048 16 74364 87727 1037581 1116764 2048 32 113192 144165 1160989 1103423 2048 64 137653 140148 1135963 1059464 2048 128 151053 154379 986010 1116619 2048 256 169832 223023 1615011 1521741 2048 512 190845 244269 1693997 1393156 4096 4 29717 31776 298216 413068 4096 8 44777 54866 787965 599002 4096 16 80758 90767 1008634 935783 4096 32 109206 122349 1381484 1214656 4096 64 128252 187142 1411911 1257602 4096 128 156982 235644 1532985 938390 4096 256 195495 226209 1482453 1532301 4096 512 180463 251319 1539855 1571692 8192 4 27717 28676 476690 246931 8192 8 41783 57570 355691 353728 8192 16 77120 87289 953435 659359 8192 32 120343 134690 890937 670214 8192 64 77280 96142 742771 806627 8192 128 117429 146607 956914 940079 8192 256 105700 141727 924100 781759 8192 512 106456 189095 1335925 1490285 16384 4 29542 30942 383441 345537 16384 8 60927 64963 829576 794262 16384 16 85369 105863 805349 700948 16384 32 91810 140837 965407 1016247 16384 64 140879 183041 1500497 1592394 16384 128 176702 229567 1799843 1700816 16384 256 185608 235104 1861367 1874825 16384 512 210326 259248 1742963 1869063 32768 4 29786 38290 487959 514500 32768 8 56964 65629 667494 554863 32768 16 86859 87181 978298 557591 32768 32 111690 149250 1221822 1488581 32768 64 148212 186241 1473515 1462072 32768 128 177150 238065 1383774 1433106 32768 256 197624 248766 1600867 1565813 32768 512 172169 261041 1653365 1558020 65536 4