使用本地环回地址通信会出现丢包吗? - V2EX
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tutu2000

使用本地环回地址通信会出现丢包吗?

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  •   tutu2000 Jun 23, 2022 2692 views
    This topic created in 1407 days ago, the information mentioned may be changed or developed.

    我的物理机上上有两个进程,其中一个进程把网卡的吞吐几乎耗死了,10G 的网卡,接近 120 万 pps ,出现了大量的丢包。另外一个进程用本地环回地址通信会收到影响吗? 我理解环回地址应该没走网卡,但仍然通过了内核协议栈,像 PPS 被耗尽这种情况,应该是在内核层面丢包的吧,那么环回地址也会丢包?

    2 replies    2022-06-23 17:07:01 +08:00
    imzcc
        1
    imzcc  
       Jun 23, 2022
    见过一台 Windows server ping 本地回环地址延迟巨大 800ms 左右,但是丢包没遇到过
    raysonx
        2
    raysonx  
       Jun 23, 2022   3
    socket 的 buffer size 是有限制的。即使是 localhost ,如果你发包太快把 buffer 填满了也是有一定概率会被丢包的。
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