看下面状态，为什么很多连接不能被立即处理，而httpd的进程却不是太多？
[junjie2@login ~]$ netstat -an| grep -i syn_re| wc -l
477
[junjie2@login ~]$ netstat -an| grep -i est| wc -l
51
[junjie2@login ~]$ !ps
ps au x| grep httpd | wc -l
130
[junjie2@login ~]$ top
top – 18:45:01 up 575 days, 50 min, 3 users, load average: 19.77, 15.17, 12.63
Tasks: 288 total, 5 running, 283 sleeping, 0 stopped, 0 zombie
Cpu(s): 38.3%us, 7.2%sy, 0.0%ni, 52.8%id, 0.3%wa, 0.2%hi, 1.1%si, 0.0%st