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Bonding with SMP

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2004-12-08
2013-06-06
  • Zelenchuk_Ilya
    Zelenchuk_Ilya
    2004-12-08

    Hello everybody!

    Have anybody play with bonding on SMP system ?
    I just test it on my system and have interesting results:

    1) Configuration : proc : Xeon 2.4
                             net  : 2 Gigabit Ethernet (bonding mode balance-rr)

    well, for testing i used NetPerf
    and test UDP stream with packet size = 1024 byte

    result :
    run 1 copy of program - bandwidth around  1900 Mbit/sec - GOOD

    run 2 copy of program  - each copy has about 940 Mbit/sec - GOOD

    2) Configuration : 2 proc - Xeon 2.4
                             net : 2 Gigabit Ethernet (bonding mode balance-rr)

    result :
    run 2 copy of program - each copy has 940 Mbit/sec - GOOD

    run 1 copy - bandwidth *ONLY* 1500 Mbit/sec - What wrong ???

    btw : my OS linux 2.4.22