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 05:14:58 2024 Auto Mode Machine = Linux oleg105-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-oleg105-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 11428 24454 503814 140335 64 8 18109 46069 429630 538156 64 16 26335 62255 363829 703068 64 32 26156 75555 1183548 193843 64 64 13485 111671 1392258 1562436 128 4 5696 24358 312169 372102 128 8 22323 42940 312169 284992 128 16 26605 76840 1152564 637004 128 32 30309 65441 1074159 1266785 128 64 38241 92217 1603529 1406136 128 128 53941 163440 1967960 2409592 256 4 20716 27914 257318 86398 256 8 31778 49420 462858 509895 256 16 25414 43964 715443 721210 256 32 58742 166554 1099237 700964 256 64 61140 95666 1489641 1248819 256 128 56761 156207 1619994 1334162 256 256 37037 188945 2135500 1894373 512 4 19684 18455 316047 258303 512 8 30594 39760 464239 427036 512 16 39083 72428 298892 820337 512 32 67849 99902 856319 503890 512 64 75829 61553 1210664 1115688 512 128 97970 167421 956645 543555 512 256 59362 172145 604617 1132755 512 512 86255 216943 2039772 2055390 1024 4 17391 24397 307138 341227 1024 8 33587 51884 357145 378851 1024 16 61391 68280 832550 683171 1024 32 81815 60235 1008727 1017811 1024 64 42859 102103 1037480 1191786 1024 128 104042 137431 1239598 1571057 1024 256 146392 156432 1432225 1546729 1024 512 75824 118711 1494522 1585557 2048 4 22461 20102 274642 223168 2048 8 33894 42243 401252 531265 2048 16 49018 52173 770549 358664 2048 32 50654 86486 955732 1147343 2048 64 62419 129955 1143524 928761 2048 128 97588 131663 938195 811764 2048 256 107546 141487 992734 475164 2048 512 104644 169510 1181753 1581414 4096 4 22223 26373 290682 350926 4096 8 30314 38533 409680 484160 4096 16 61683 55502 734314 637500 4096 32 77260 88569 1027884 992264 4096 64 110508 119357 955243 1065827 4096 128 89165 117727 1223741 1192731 4096 256 129428 154723 1547484 1385718 4096 512 98549 187502 1303994 1541513 8192 4 22525 19706 272839 301156 8192 8 30693 33637 446724 510153 8192 16 54972 51821 535208 299755 8192 32 84670 81402 681594 918591 8192 64 84099 101378 980116 1181770 8192 128 92949 77085 892743 1256030 8192 256 87799 165018 805265 823484 8192 512 101394 143961 1200977 1865267 16384 4 19326 19689 297641 270719 16384 8 34461 36239 407116 500167 16384 16 51610 66411 577941 707669 16384 32 73873 93334 529679 1180243 16384 64 98002 131149 1082728 1250313 16384 128 116084 131599 1072253 1347921 16384 256 125411 132221 1131337 1438825 16384 512 114454 114899 1190776 1147661 32768 4