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: Fri Jun 14 17:00:37 2024 Auto Mode Machine = Linux oleg358-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-oleg358-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 9713 22416 983980 703068 64 8 10641 46005 901377 969761 64 16 14391 31633 1421755 1768283 64 32 10411 100319 1392258 1421755 64 64 12016 119847 1492919 1892980 128 4 11255 27169 435134 786271 128 8 18864 43553 1040839 1000121 128 16 21383 70801 1067750 748976 128 32 23956 105169 1471662 1306873 128 64 25538 182063 1852520 1504659 128 128 27205 116160 1997245 2098744 256 4 14873 29280 571502 753077 256 8 25599 48085 380381 1147398 256 16 37492 67139 1201314 1190657 256 32 30757 101107 1304976 771473 256 64 41762 136611 2192179 1639786 256 128 44267 154677 1814348 1662639 256 256 47629 152828 2097948 1829808 512 4 18961 29707 397475 401263 512 8 26977 49627 958781 970041 512 16 45298 67932 1264113 1082507 512 32 49056 95005 1442420 1402845 512 64 44287 135918 1372364 1391933 512 128 69151 164838 1753325 1729323 512 256 50349 149402 1835760 1350783 512 512 69189 153514 1182661 1221684 1024 4 22872 30136 614285 740919 1024 8 39643 51856 734583 915223 1024 16 45601 78818 1313122 1207534 1024 32 76219 101466 1565902 1372279 1024 64 77382 148128 1537317 731331 1024 128 82117 147975 1288307 2019445 1024 256 84045 166776 1651398 1802483 1024 512 80069 170105 1612948 1211622 2048 4 23957 28475 734571 661079 2048 8 37180 54859 1025075 1033835 2048 16 64931 78144 1564421 1451540 2048 32 91584 115692 1342847 1227167 2048 64 82378 173471 1348327 1543340 2048 128 100229 166776 1680082 1607757 2048 256 103512 179620 1676148 1748834 2048 512 95691 163071 1955900 1519319 4096 4 24158 28344 769507 826479 4096 8 45164 49146 1013872 1040144 4096 16 65603 79701 1259908 1097488 4096 32 84146 110900 1169589 1241158 4096 64 97882 141090 1253016 953229 4096 128 91935 143644 1641680 1696642 4096 256 93040 168637 1659601 1434188 4096 512 102919 185718 1933841 1784030 8192 4 26207 26822 848832 771664 8192 8