tomcat配置接口访问时间

时间：2023-11-09 19:03:44

这次刚好用到，亲测可用。参照：https://www.cnblogs.com/wuxun1997/p/9068398.html

项目中有些页面时延不稳定，需要看每次接口调用时延，怎么看，有两种方法：一种是直接去catalina.out日志中看，一种是直接去localhost_access_log日志中看，第一种需要在代码中实现时延的计算，第二种方法只需在server.xml中加一个简单的配置。这里只说第二种：

　　1、打开tomcat下conf/server.xml，先看Host节点配置：

tomcat配置接口访问时间
      <Host name="localhost"  appBase="webapps"

            unpackWARs="true" autoDeploy="true">

        <!-- SingleSignOn valve, share authentication between web applications

             Documentation at: /docs/config/valve.html -->

        <!--

        <Valve className="org.apache.catalina.authenticator.SingleSignOn" />

        -->

        <!-- Access log processes all example.

             Documentation at: /docs/config/valve.html

             Note: The pattern used is equivalent to using pattern="common" -->

        <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"

               prefix="localhost_access_log" suffix=".txt"

               pattern="%h %l %u %t &quot;%r&quot; %s %b" />

      </Host>
tomcat配置接口访问时间

　　2、这时localhost_access_log最后一个是文件大小：

10.73.154.72 - - [12/Mar/2018:10:04:47 +0800] "POST /ms.sns.snsService/rewardHis HTTP/1.1" 200 133

　　3、在conf/server.xml的Host节点中Value节点最后的pattern参数中添加% D

        <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"

               prefix="localhost_access_log" suffix=".txt"

               pattern="%h %l %u %t &quot;%r&quot; %s %b %D" />

　　4、重新打开localhost_access_log，加上了时延大小，单位是毫秒：

10.125.40.179 - - [21/May/2018:14:12:22 +0800] "POST /ms.bkticket.myBookTicketService/getBookTicketRechargeList HTTP/1.1" 200 2519 62

10.125.40.179 - - [21/May/2018:14:12:22 +0800] "POST /ms.bkticket.myBookTicketService/getBookTicketRemainBalance HTTP/1.1" 200 589 72

10.125.40.179 - - [21/May/2018:14:12:23 +0800] "POST /ms.bkticket.myBookTicketService/getBookTicketRechargeList HTTP/1.1" 200 2096 47

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