netstat-an|awk'/tcp/{print$6}'|sort|uniq-c173ESTABLISHED43FIN_WAIT120FIN_WAIT25LAST_ACK7LISTEN2SYN_RECV3SYN_SENT1745TIME_WAIT网站运行一会儿就有大量TIME_WAIT,通过netstat可以看到是php调用curl导致的目前CURLOPT_CONNECTTIMEOUT设置为:3CURLOPT_TIMEOUT设置为:3网上说修改/etc/sysctl.conf,net.ipv4.tcp_syncookies=1net.ipv4.tcp_tw_reuse=1net.ipv4.tcp_tw_recycle=1net.ipv4.tcp_fin_timeout=30我修改报错error:permissiondeniedonkey'net.ipv4.tcp_tw_reuse'error:permissiondeniedonkey'net.ipv4.tcp_tw_recycle'error:permissiondeniedonkey'net.ipv4.tcp_fin_timeout'服务器是centos
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