TCP连接查看

title

查看tcp连接数量

输入命令:


netstat -n | awk '/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}';

一般会返回如下结果:


LAST_ACK 1
CLOSE_WAIT 7
ESTABLISHED 347
FIN_WAIT1 1
TIME_WAIT 36

字段说明:

LAST_ACK 1 CLOSE_WAIT 7 ESTABLISHED 347 FIN_WAIT1 1 TIME_WAIT 36

掌握TCP连接监控技能对网络故障排查和性能优化非常重要。


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