1.查看Apache的并发请求数及其TCP连接状态:
Linux命令: netstat -n | awk '/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}'
返回结果示例: LAST_ACK 5 SYN_RECV 30 ESTABLISHED 1597 FIN_WAIT1 51 FIN_WAIT2 504 TIME_WAIT 1057