kernel: TCP: time wait bucket table overflow错误的解决办法
现象为message日志报如下错误:
Feb 27 10:53:36 web kernel: __ratelimit: 5 callbacks suppressed
Feb 27 10:53:36 web kernel: TCP: time wait bucket table overflow
Feb 27 10:53:36 web kernel: TCP: time wait bucket table overflow
Feb 27 10:53:36 web kernel: TCP: time wait bucket table overflow
Feb 27 10:53:36 web kernel: TCP: time wait bucket table overflow
Feb 27 10:53:36 web kernel: TCP: time wait bucket table overflow
Feb 27 10:53:36 web kernel: TCP: time wait bucket table overflow
Feb 27 10:53:36 web kernel: TCP: time wait bucket table overflow
Feb 27 10:53:36 web kernel: TCP: time wait bucket table overflow
Feb 27 10:53:36 web kernel: TCP: time wait bucket table overflow
Feb 27 10:53:36 web kernel: TCP: time wait bucket table overflow
解决方法:
vi /etc/sysctl.conf
net.ipv4.tcp_max_tw_buckets= 16000
sysctl -p