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: Thu Apr 18 18:57:54 2024 Auto Mode Machine = Linux oleg421-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-oleg421-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 16798 27117 394870 426219 64 8 21599 47970 239716 735831 64 16 38530 88017 969761 1336792 64 32 37036 81029 1049372 1163036 64 64 27680 121916 983980 1562436 128 4 18061 28495 393945 384356 128 8 29103 48798 687585 883293 128 16 39456 102070 1196221 1377278 128 32 54538 92551 1085013 1102844 128 64 64059 199372 1349580 1967960 128 128 69643 274641 1526043 1093856 256 4 27330 36802 493264 449865 256 8 40590 60835 577651 723153 256 16 60981 88513 891956 969251 256 32 83580 154878 1572543 1514860 256 64 102890 162348 1766587 1391207 256 128 117108 245718 1985448 1855098 256 256 128256 311427 2228578 2330140 512 4 24020 32050 522399 540545 512 8 53222 63092 828566 895230 512 16 86704 109633 1042566 1212715 512 32 95308 132717 526756 1279935 512 64 133121 197910 1463057 1672748 512 128 141320 239039 1471074 1747618 512 256 134910 281312 1897396 2256220 512 512 162223 285387 1992458 2124526 1024 4 28346 34797 440247 432054 1024 8 46783 65758 823136 616136 1024 16 77160 103768 916004 831905 1024 32 98121 174387 1329791 1230718 1024 64 135702 213777 1227903 2004366 1024 128 156403 219592 1628234 1950656 1024 256 190541 271922 1517224 1828574 1024 512 199963 334425 1981251 2250080 2048 4 33716 32433 453802 483591 2048 8 49834 57177 599696 611174 2048 16 80932 116119 1015862 1018995 2048 32 120159 143972 1320349 1543063 2048 64 136660 199548 1589902 1937372 2048 128 170425 270644 1674841 1735408 2048 256 182079 248423 1683044 1657071 2048 512 192846 322823 1840251 1974785 4096 4 33402 31227 454303 460798 4096 8 57186 65830 848019 832486 4096 16 91932 105572 1069476 1140019 4096 32 111026 156080 1033822 1413887 4096 64 136320 200951 1299064 1354045 4096 128 177707 198018 1479262 1608179 4096 256 177362 215668 1700168 1791098 4096 512 196357 284699 1849324 2017646 8192 4 32992 33210 475891 415943 8192 8 52336 51738 645959 712535 8192 16 82775 97353 816984 990228 8192 32 115112 143184 1196419 1289692 8192 64 152721 181135 1540463 1411436 8192 128 155478 226235 1626357 1711585 8192 256 172830 271780 1663683 1740720 8192 512 179842 273104 1883158 1682420 16384 4 32011 36734 496001 349330 16384 8 52245 56766 588781 669964 16384 16 82345 97538 1061143 994899 16384 32 123308 132588 1347921 1414976 16384 64 147795 181651 1610381 1497880 16384 128 169658 225497 1747973 1578712 16384 256 190529 242130 1850690 1795141 16384 512 213898 238448 1635484 1405743 32768 4 31403 33320 482862 479849 32768 8