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 Mar 22 03:16:24 2024 Auto Mode Machine = Linux oleg137-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-oleg137-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 21355 38530 551422 566551 64 8 31448 48781 771797 735831 64 16 40458 97548 1188789 1255511 64 32 39628 144802 1363961 1124074 64 64 47369 130828 1357066 1828508 128 4 22614 35009 518312 526961 128 8 40176 70135 901083 889145 128 16 42230 69043 1065630 1306873 128 32 67127 141886 1521718 1065630 128 64 76468 202837 1022989 1278855 128 128 83393 225404 1997245 1294270 256 4 20598 37853 297286 323240 256 8 52426 67689 492134 907792 256 16 69002 108285 1027695 713067 256 32 91955 114181 1230218 1610276 256 64 90459 196771 1814348 1715775 256 128 114023 275614 1952947 1579483 256 256 125984 199996 1755037 1686137 512 4 34956 35597 403525 494150 512 8 42635 65979 649020 568899 512 16 86736 112082 844865 1255246 512 32 99647 127395 1556366 951558 512 64 135558 230223 1391032 1667552 512 128 161978 238270 1904125 1753325 512 256 143215 270606 1426135 1924603 512 512 159999 320194 2124526 2297251 1024 4 28450 37731 475432 455902 1024 8 58551 63448 540668 487134 1024 16 94151 107495 1034232 1261072 1024 32 92973 146137 1174192 1130014 1024 64 129867 184834 1729884 1242467 1024 128 149360 245387 1747480 1607514 1024 256 126561 281936 1878973 1517224 1024 512 190660 317820 1961346 2008114 2048 4 33617 36125 421306 402191 2048 8 47663 69576 709923 667552 2048 16 90611 104687 1116038 1133415 2048 32 132163 153776 1396100 1333466 2048 64 146821 177394 1520394 1705094 2048 128 171196 216421 1404546 1622945 2048 256 190405 243756 1685356 1558743 2048 512 178289 299636 1731211 1935626 4096 4 34313 34282 557501 492417 4096 8 50329 60348 755298 761221 4096 16 83336 103882 1228203 865972 4096 32 127783 140225 1245025 1063584 4096 64 164948 193683 1535863 1472921 4096 128 168309 206742 1325524 1654168 4096 256 212493 253092 1831775 1935802 4096 512 209322 235580 1545674 1497051 8192 4 30788 32690 450112 466807 8192 8 48786 55999 622822 714446 8192 16 96989 99684 876796 1011478 8192 32 118236 138093 1441215 1557713 8192 64 148368 190476 1253556 1520691 8192 128 163083 240058 1703439 1577523 8192 256 186554 253512 1752618 1669828 8192 512 178059 288786 1928068 1926123 16384 4 29516 35101 523517 451932 16384 8 52841 64460 718538 633465 16384 16 89911 97893 1150890 1168543 16384 32 113592 138723 1354831 1272351 16384 64 149381 177947 1411083 1402844 16384 128 175468 221291 1479498 1412301 16384 256 174814 232614 1607856 1774513 16384 512 201547 249840 1665530 1764172 32768 4 29811 30495 395671 441664 32768 8 50516 60223 831130 753462 32768 16 80135 92911 997714 1038311 32768 32 117628 143636 1312457 1238023 32768 64 147028 193465 1537971 1609509 32768 128 140842 224194 1765709 1820556 32768 256 197978 252923 1862977 1797273 32768 512 199641 255234 1625403 1866469 65536 4