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文章标签 ‘kernel’

Nginx+php-fcgi出现kernel: TCP: time wait bucket table overflow解决方法

2010年8月6日 没有评论

[root@viyin etc]# tail /var/log/messages
Aug 6 11:29:26 viyin : printk: 640 messages suppressed.
Aug 6 11:29:26 viyin kernel: TCP: time wait bucket
Aug 6 11:29:31 viyin kernel: printk: 299 messages suppressed.
Aug 6 11:29:31 viyin kernel: TCP: time wait bucket table overflow
Aug 6 11:29:37 viyin kernel: printk: 590 messages suppressed.
Aug 6 11:29:37 viyin kernel: TCP: time wait bucket table overflow
Aug 6 11:29:41 viyin kernel: printk: 711 messages suppressed.
Aug 6 11:29:41 viyin kernel: TCP: time wait bucket table overflow
Aug 6 11:29:46 viyin kernel: printk: 290 messages suppressed.
Aug 6 11:29:46 viyin kernel: TCP: time wait bucket table overflow

查看80连接状态
[root@viyin ~]# netstat -an | grep 80 | awk ‘{print $6}’ | sort | uniq -c | sort -rn
5539 ESTABLISHED
768 TIME_WAIT
321 FIN_WAIT1
165 FIN_WAIT2
56 LAST_ACK
32 CONNECTED
22 SYN_RECV
5 STREAM
3 LISTEN
1 33410680
修改 /etc/sysctl.conf
sysctl net.ipv4.tcp_max_tw_buckets=10000

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