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 Nov 5 10:56:45 2024 Auto Mode Machine = Linux oleg245-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-oleg245-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 12011 26489 598110 1002351 64 8 19937 46339 1518251 1330167 64 16 15747 58332 1279447 889431 64 32 25538 104416 1045286 1255511 64 64 25651 120062 1828508 1562436 128 4 20776 34204 757430 699227 128 8 24446 45567 1133103 990891 128 16 34792 86832 1421023 1451764 128 32 49173 123424 1642783 1254941 128 64 31387 144172 1755594 2238774 128 128 44725 166895 1561553 1421023 256 4 22664 32703 930608 1293967 256 8 39731 55773 1102624 1168627 256 16 56737 91422 1729594 2030503 256 32 65472 137786 1683493 1718521 256 64 76872 170440 1514860 1985448 256 128 70216 162643 1766587 1897721 256 256 73838 192779 1842366 2392442 512 4 26062 33849 1158418 681782 512 8 42433 50573 1422357 1240025 512 16 59423 94254 1354190 1337324 512 32 80151 119485 2196227 1492545 512 64 95043 143454 1700565 1657257 512 128 106007 187278 1753325 2024389 512 256 112211 224754 1723770 1931527 512 512 103689 237795 2782414 2381315 1024 4 27907 30810 736599 829175 1024 8 47416 51639 1098511 1023877 1024 16 70875 96640 1197769 1684429 1024 32 61064 108648 1436537 1466957 1024 64 108830 135075 1551758 1530197 1024 128 111485 178430 1544504 2146618 1024 256 119991 207208 1964935 2027069 1024 512 100207 206411 2085132 2107643 2048 4 27457 31913 953927 780136 2048 8 47381 52511 1122162 1112425 2048 16 71281 90033 1272054 1269797 2048 32 97347 108371 1435050 1563567 2048 64 116237 161653 1602657 1416357 2048 128 120606 175779 1696674 1762469 2048 256 151648 181690 1996356 1790388 2048 512 155753 194735 2062505 2043857 4096 4 28548 31378 849277 863231 4096 8 51460 62303 996349 1111547 4096 16 76240 89769 1471911 1705908 4096 32 94202 125413 1480282 1468138 4096 64 124226 152154 1673830 1546787 4096 128 135971 183487 1888560 1839227 4096 256 156899 211089 1923879 2021682 4096 512 161412 191643 2012682 2048195 8192 4 31879 33904 962193 912153 8192 8 47193 56223 1309850 1350045 8192 16 82810 91272 1426437 1565449 8192 32 119061 131038 1589786 1675937 8192 64 141053 164577 1826110 2146838 8192 128 153540 204269 1972112 2041843 8192 256 158793 209203 1647885 1738870 8192 512 154449 208495 1955167 2078150 16384 4 33176 39279 1085104 1043896 16384 8 53012 64242 1383554 1592062 16384 16 85527 105125 1301756 1503681 16384 32 116635 130683 1845224 1789252 16384 64 151588 181638 1891701 1762634 16384 128 158582 196951 1865410 1867792 16384 256 163372 210312 1952102 1903333 16384 512 172885 194554 2131113 1792192 32768 4 24933 30138 874767 869015 32768 8 49730 55719 1190609 1164304 32768 16 71545 86424 1659213 1644246 32768 32 106915 123884 1842769 1720205 32768 64 130010 158025 1939726 1938030 32768 128