查看nginx并发数

czhtr

No1、通过浏览器查看
<wbr><wbr><wbr>通过web界面查看时Nginx需要开启status模块，也就是安装Nginx时加上<wbr><wbr><wbr><wbr><wbr><wbr><wbr>--with-http_stub_status_module<wbr><wbr>然后配置Nginx.conf，在server点里面加入如下内容<br>#server_name youservername;<br>location /status {<br>stub_status on;<br>access_log off;<br>#access_log /usr/local/nginx/logs/status.log;<br>#auth_basic "NginxStatus"; }<br> <br>解析：<br>Activeconnections<wbr><wbr><wbr>//当前 Nginx 正处理的活动连接数。<br>server accepts handledrequests //总共处理了8 个连接 , 成功创建 8次握手,总共处理了500个请求。<br>Reading //nginx 读取到客户端的 Header 信息数。<br>Writing //nginx 返回给客户端的 Header 信息数。<br>Waiting //开启 keep-alive 的情况下，这个值等于 active - (reading +writing)，意思就是 Nginx 已经处理完正在等候下一次请求指令的驻留连接<br><br><span style="font-size:16px; font-weight:bold">No2、通过命令查看</span><br><span style="font-weight:bold">#netstat -n | awk '/^tcp/{++S[$NF]} END {for(a in S) print a, S[a]}'<br></span>TIME_WAIT17<br>ESTABLISHED 3254<br>LAST_ACK 236<br>FIN_WAIT_1 648<br>FIN_WAIT_2 581<br>CLOSING 7<br>CLOSE_WAIT 4916<br>解析：<br>CLOSED<wbr> //无连接是活动的或正在进行<br>LISTEN<wbr> //服务器在等待进入呼叫<br>SYN_RECV<wbr> //一个连接请求已经到达，等待确认<br>SYN_SENT<wbr> //应用已经开始，打开一个连接<br>ESTABLISHED<wbr> //正常数据传输状态/当前并发连接数<br>FIN_WAIT1<wbr> //应用说它已经完成<br>FIN_WAIT2<wbr> //另一边已同意释放<br>ITMED_WAIT<wbr> //等待所有分组死掉<br>CLOSING<wbr> //两边同时尝试关闭<br>TIME_WAIT<wbr> //另一边已初始化一个释放<br>LAST_ACK<wbr> //等待所有分组死掉</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>