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 01:18:22 2024 Auto Mode Machine = Linux oleg226-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-oleg226-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 13389 21039 302018 338589 64 8 17616 42834 474430 474430 64 16 18878 55122 752329 1101022 64 32 25017 87443 1033216 581273 64 64 25725 129816 760859 1421755 128 4 16791 26000 436904 371073 128 8 26402 45762 470606 544601 128 16 33605 70801 785122 821147 128 32 35108 77528 1040839 1133103 128 64 43008 115934 767171 1939522 128 128 48393 169050 1424795 1939522 256 4 20985 22731 528727 312606 256 8 32015 41789 584570 654798 256 16 44176 68066 827989 1195962 256 32 56064 100709 1430119 996229 256 64 60749 174967 1790149 1543163 256 128 62638 143494 1495866 1561112 256 256 74180 170901 1642294 2152625 512 4 24856 30133 335974 452692 512 8 38861 40589 678122 516743 512 16 65648 65346 860437 885631 512 32 71760 117324 1575781 922535 512 64 65674 146999 1199171 1610042 512 128 85961 153712 1160923 1518938 512 256 102053 185242 1589779 2032051 512 512 104491 196623 1821745 1902438 1024 4 21203 29712 379688 362603 1024 8 36068 48813 776975 661496 1024 16 57696 66545 987392 921705 1024 32 73748 105533 1194770 1005892 1024 64 103339 136387 1408737 1189146 1024 128 99003 170497 1365299 1592612 1024 256 108039 158979 1448162 1790460 1024 512 132639 158962 1602118 1426517 2048 4 25764 28707 433992 371684 2048 8 39330 46243 546127 721915 2048 16 69842 75908 1019479 896671 2048 32 87742 104012 969758 987938 2048 64 112213 144226 1459680 1493692 2048 128 142074 170995 1574169 1699696 2048 256 140333 186551 1479797 1568134 2048 512 130014 198837 1544450 1732608 4096 4 24498 27068 427510 399180 4096 8 40881 44881 642819 624023 4096 16 62424 71024 923112 819540 4096 32 92621 108681 1218015 1136550 4096 64 103938 132260 1330761 1159328 4096 128 124211 162784 1451884 1611195 4096 256 135835 199404 1396532 1423257 4096 512 160463 178871 1661527 1601284 8192 4 23666 26354 363719 352650 8192 8 41931 45242 629866 697435 8192 16 65834 76103 1038284 921276 8192 32 91731 101567 1327512 988547 8192 64 111187 132863 1201523 1134965 8192 128 133105 160861 1269488 1323472 8192 256 131419 172448 1417784 1461568 8192 512 132201 187164 1632539 1428453 16384 4 25305 26906 408709 370997 16384 8 41303 49456 743212 672962 16384 16 70091 71542 1001832 990753 16384 32 97619 97676 1107774 1126127 16384 64 109279 141204 1405139 1257589 16384 128 131632 163008 1374257 1324385 16384 256 147799 190080 1615795 1603280 16384 512 150941 192003 1760556 1791024 32768 4 28054 29870 488038 397352 32768 8 45834 51850 696776 705068 32768 16