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: Sat Nov 16 04:44:21 2024 Auto Mode Machine = Linux oleg426-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-oleg426-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 9525 21790 385237 289635 64 8 16108 38530 627470 542506 64 16 15837 59038 901377 1304314 64 32 16309 76722 1033216 1143223 64 64 22996 89753 1452528 1879725 128 4 16145 26862 351630 462100 128 8 22674 41845 518312 630273 128 16 28782 55030 770474 901083 128 32 28101 121772 1133103 1336145 128 64 28926 107744 1363288 1778862 128 128 36341 124137 1778862 1997245 256 4 21202 26572 403085 401878 256 8 25137 45559 583299 629094 256 16 39758 48835 652807 882426 256 32 36168 106576 1195962 1023775 256 64 47841 118022 1437779 1398455 256 128 58235 143667 924200 1422540 256 256 58675 144888 1967260 1881098 512 4 22368 24939 332026 307494 512 8 38644 46612 595232 610287 512 16 45993 66467 909640 706221 512 32 64089 100566 981121 982467 512 64 78216 158266 1221684 1158418 512 128 89857 136133 1674052 1747618 512 256 94258 170776 1662389 1650887 512 512 103374 152652 2265742 2509312 1024 4 23645 27311 353123 396441 1024 8 38751 41395 656441 562330 1024 16 59750 78467 1000037 907872 1024 32 78794 111974 1261072 1301187 1024 64 99455 127127 1201790 1406891 1024 128 109437 152450 1136593 1450117 1024 256 103257 157562 1633188 1400469 1024 512 100451 217358 1950656 1695735 2048 4 23368 27475 396510 383448 2048 8 39051 46061 430081 609180 2048 16 63284 74451 1157703 1040598 2048 32 85298 105867 1128946 1096381 2048 64 99224 134985 1340333 1186650 2048 128 108589 154088 1446407 1294482 2048 256 114676 160779 1428131 1309480 2048 512 106109 179868 1860176 1709505 4096 4 25631 26145 380735 391512 4096 8 41668 47873 571427 610713 4096 16 61810 67236 827155 942715 4096 32 86546 95045 958815 847685 4096 64 104896 123117 1290864 1399376 4096 128 116871 167061 1274773 1550416 4096 256 118628 188409 1720256 1561549 4096 512 119093 188504 1819553 1691796 8192 4 24950 26655 392504 379276 8192 8 43033 46895 582854 609790 8192 16 68250 73768 1038284 913560 8192 32 94405 107110 1177840 1175986 8192 64 116633 134198 1416790 1528063 8192 128 127503 161939 1519011 1496516 8192 256 139821 185034 1738518 1720670 8192 512