本文共 1027 字，大约阅读时间需要 3 分钟。
- # turning system
- ulimit -HSn 65536
- echo -ne "
- * soft nofile 65536
- * hard nofile 65536
- " >>/etc/security/limits.conf
-
-
- # /etc/sysctl.conf
- cat >>/etc/sysctl.conf<<EOF
- net.ipv4.netfilter.ip_conntrack_max = 131072
- net.ipv4.tcp_max_tw_buckets = 5000
- 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.ipv4.tcp_max_syn_backlog = 65536
- net.core.netdev_max_backlog = 32768
- net.core.somaxconn = 32768
-
- net.core.wmem_default = 8388608
- net.core.rmem_default = 8388608
- net.core.rmem_max = 16777216
- net.core.wmem_max = 16777216
-
- net.ipv4.tcp_timestamps = 0
- net.ipv4.tcp_synack_retries = 2
- net.ipv4.tcp_syn_retries = 2
-
- net.ipv4.tcp_tw_recycle = 1
- #net.ipv4.tcp_tw_len = 1
- net.ipv4.tcp_tw_reuse = 1
-
- net.ipv4.tcp_mem = 94500000 915000000 927000000
- net.ipv4.tcp_max_orphans = 3276800
-
- net.ipv4.tcp_tw_recycle = 1
- #net.ipv4.tcp_fin_timeout = 30
-
- #net.ipv4.tcp_keepalive_time = 300
- net.ipv4.ip_local_port_range = 1024 65000
- EOF
-
转载于:https://blog.51cto.com/ppabc/776389