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 Aug 22 01:34:51 2024 Auto Mode Machine = Linux oleg443-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-oleg443-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 8903 25963 581273 592827 64 8 23686 46108 571375 720041 64 16 19962 68377 998622 778512 64 32 43479 150569 969761 633392 64 64 45230 145824 1828508 1562436 128 4 15509 26710 332467 332467 128 8 33325 51573 595328 566435 128 16 46191 80759 794416 824932 128 32 48193 46664 1032829 927549 128 64 57346 159034 1254941 1391557 128 128 71872 164090 1827299 1755594 256 4 22253 27889 331626 302905 256 8 18577 52956 554101 544547 256 16 58419 79555 955451 661250 256 32 61022 107742 965763 1132871 256 64 70623 177895 613634 1894373 256 128 77315 180527 1495866 1600674 256 256 102107 214756 1802167 1868008 512 4 22739 27141 350220 350449 512 8 45567 49588 588544 435347 512 16 55387 85333 823167 796306 512 32 70398 130049 1227971 1166599 512 64 89557 156296 1365383 1199171 512 128 75438 186643 1497750 1446306 512 256 110485 221075 1977778 1662389 512 512 121878 245797 2047551 1882427 1024 4 22346 27449 454070 381374 1024 8 36951 52261 560495 483460 1024 16 69490 83970 607766 965203 1024 32 92401 125214 1145383 1055584 1024 64 122020 173851 1727102 1294910 1024 128 111997 208091 1620249 1450117 1024 256 135433 324055 1580306 1744641 1024 512 152019 257866 1815435 1715375 2048 4 24683 29076 389128 361760 2048 8 44239 56095 631343 620803 2048 16 69823 80197 898265 805975 2048 32 87623 118560 1211077 1100454 2048 64 114572 163811 1047577 1265681 2048 128 145083 85254 1612586 1508115 2048 256 199243 214427 1566989 1726687 2048 512 144439 213336 1744217 1756702 4096 4 27469 29612 380879 380989 4096 8 46408 52386 554550 619947 4096 16 82295 95366 924603 1000469 4096 32 108748 130217 1432634 1492240 4096 64 154758 170565 1458169 1364910 4096 128 162552 210894 1480792 1600538 4096 256 154135 218827 1598751 1784030 4096 512 187666 227214 1762434 1790911 8192 4 28190 33472 423338 420211 8192 8 46112 54585 707663 722909 8192 16 85383 97764 978971 1029542 8192 32 108588 123710 1390586 1191358 8192 64 135584 173365 1566948 1364683 8192 128 164633 223002 1571463 1659986 8192 256 165211 245969 1637674 1663361 8192 512 182551 245704 1848808 1807569 16384 4 28861 30909 412737 370134 16384 8 50102 54457 652676 635604 16384 16 76287 86520 963256 1054047 16384 32 106059 121978 1255269 1287247 16384 64 139280 162303 1512418 1455310 16384 128 162599 206761 1602195 1730846 16384 256 177858 194494 1664885 1336595 16384 512 174042 244946 1816399 1818417 32768 4 28824 30268