战魔312 发表于 2014-09-26 11:27

message日志分析

/var/log/message 日志中,出现大量的这样的提示,请问这是什么原因造成的?有什么好的解决方案么?

Sep 22 16:57:55 nodejs1 kernel: TCP: time wait bucket table overflow
Sep 22 16:57:55 nodejs1 kernel: TCP: time wait bucket table overflow
Sep 22 16:57:55 nodejs1 kernel: TCP: time wait bucket table overflow
Sep 22 16:57:55 nodejs1 kernel: TCP: time wait bucket table overflow
Sep 22 16:57:55 nodejs1 kernel: TCP: time wait bucket table overflow
Sep 22 16:57:55 nodejs1 kernel: TCP: time wait bucket table overflow
Sep 22 16:57:55 nodejs1 kernel: TCP: time wait bucket table overflow
Sep 22 16:57:55 nodejs1 kernel: TCP: time wait bucket table overflow
Sep 22 16:57:55 nodejs1 kernel: TCP: time wait bucket table overflow
Sep 22 16:57:55 nodejs1 kernel: TCP: time wait bucket table overflow
Sep 22 16:58:00 nodejs1 kernel: __ratelimit: 199866 callbacks suppressed
Sep 22 16:58:00 nodejs1 kernel: TCP: time wait bucket table overflow
Sep 22 16:58:00 nodejs1 kernel: TCP: time wait bucket table overflow
Sep 22 16:58:00 nodejs1 kernel: TCP: time wait bucket table overflow
Sep 22 16:58:00 nodejs1 kernel: TCP: time wait bucket table overflow
Sep 22 16:58:00 nodejs1 kernel: TCP: time wait bucket table overflow
Sep 22 16:58:00 nodejs1 kernel: TCP: time wait bucket table overflow

cryboy2001 发表于 2014-09-30 13:44

服务器的TCP连接数,超出了内核定义最大数,需要更改net.ipv4.tcp_max_tw_buckets这个内核参数,增大 tcp_max_tw_buckets的值!

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