[root@centos188 ~]# tail -f /var/log/messages
Dec 27 15:02:09 centos188 kernel: TCP: time wait bucket table overflow
Dec 27 15:02:09 centos188 kernel: TCP: time wait bucket table overflow
Dec 27 15:02:09 centos188 kernel: TCP: time wait bucket table overflow
Dec 27 15:02:09 centos188 kernel: TCP: time wait bucket table overflow
Dec 27 15:02:09 centos188 kernel: TCP: time wait bucket table overflow
Dec 27 15:02:09 centos188 kernel: TCP: time wait bucket table overflow
Dec 27 15:02:10 centos188 kernel: TCP: time wait bucket table overflow
Dec 27 15:02:10 centos188 kernel: TCP: time wait bucket table overflow
Dec 27 15:02:10 centos188 kernel: TCP: time wait bucket table overflow
Dec 27 15:02:10 centos188 kernel: TCP: time wait bucket table overflow
都是这个警告
可以这样
sysctl net.ipv4.tcp_max_tw_buckets=50000
打开 /etc/sysctl.cnf
最后加入
net.ipv4.tcp_max_tw_buckets=50000 下次重启自动生效
