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  • linux内核参数优化

    net.ipv4.ip_forward = 0
    net.ipv4.conf.default.rp_filter = 1
    net.ipv4.conf.default.accept_source_route = 0
    kernel.sysrq = 0
    kernel.core_uses_pid = 1
    net.ipv4.tcp_syncookies = 1
    kernel.msgmnb = 65536
    kernel.msgmax = 65536
    kernel.shmmax = 68719476736
    kernel.shmall = 4294967296
    net.ipv4.tcp_max_tw_buckets = 6000
    net.ipv4.tcp_sack = 1
    net.ipv4.tcp_window_scaling = 1
    net.ipv4.tcp_rmem = 4096 87380 4194304
    net.ipv4.tcp_wmem = 4096 16384 4194304
    net.core.wmem_default = 8388608
    net.core.rmem_default = 8388608
    net.core.rmem_max = 16777216
    net.core.wmem_max = 16777216
    net.core.netdev_max_backlog = 262144
    net.core.somaxconn = 32768
    net.ipv4.tcp_max_orphans = 3276800
    net.ipv4.tcp_max_syn_backlog = 262144
    net.ipv4.tcp_timestamps = 0
    net.ipv4.tcp_synack_retries = 1
    net.ipv4.tcp_syn_retries = 1
    net.ipv4.tcp_tw_recycle = 1
    net.ipv4.tcp_tw_reuse = 1
    net.ipv4.tcp_mem = 94500000 915000000 927000000
    net.ipv4.tcp_fin_timeout = 30
    net.ipv4.tcp_keepalive_time = 30
    net.ipv4.ip_local_port_range = 1024 65000

    完成后 sysctl -p 进行执行

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  • 原文地址:https://www.cnblogs.com/liqing1009/p/4997449.html
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