mysql大量TIME_WAIT解决办法:


vi /etc/sysctl.conf


net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_tw_recycle = 1
:wq


/sbin/sysctl -p (让参数生效)

 


net.ipv4.tcp_tw_reuse = 1 表示开启重用。允许将TIME-WAIT sockets重新用于新的TCP连接,默认为0,表示关闭;


net.ipv4.tcp_tw_recycle = 1 表示开启TCP连接中TIME-WAIT sockets的快速回收,默认为0,表示关闭