gevent connection过多问题
今天redis重启，由于重启很慢导致connection很多
?
[admin@server13 ~]$ netstat -an|grep ':6389' |grep "ESTABLISHED" |awk '{print $5}'|awk -F: '{print $1}' |sort |uniq -c | sort -rn
?? 1786 192.168.172.14
?? 1213 192.168.172.8
?? 1161 192.168.172.10
??? 640 192.168.172.4
??? 524 192.168.172.9
????? 4 192.168.172.7
????? 2 192.168.172.3
????? 1 192.168.172.5
[admin@server13 ~]$ netstat -an|grep ':6389'| wc -l
5328
[admin@server13 ~]$ netstat -an|grep ':6389'| wc -l
4195
[admin@server13 ~]$ netstat -an|grep ':6389'| wc -l
4305
[admin@server13 ~]$ netstat -an|grep ':6389'| wc -l
3252
[admin@server13 ~]$ netstat -an|grep ':6389'| wc -l
1985
[admin@server13 ~]$ netstat -an|grep ':6389'| wc -l
1990
?
3306同样：
[admin@server10 ~]$ netstat -an|grep ':3306' |awk '{print $5}'|awk -F: '{print $1}' |sort |uniq -c | sort -rn
??? 268 192.168.172.10
??? 251 192.168.172.8
??? 179 192.168.172.4
??? 129 192.168.172.9
??? 113 192.168.172.14
???? 30 192.168.172.7
???? 16 192.168.172.3
???? 15 192.168.172.13
????? 5 192.168.172.5
????? 1 192.168.172.2
????? 1 192.168.172.12
????? 1 114.80.207.230
