Druid接続プールおよびspringでの構成の監視

Druid       Spring    ：
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    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">   
        <!--      url、user、password -->  
        <property name="url" value="${jdbc_url}" />  
        <property name="username" value="${jdbc_user}" />  
        <property name="password" value="${jdbc_password}" />  
            
        <!--        、  、   -->  
        <property name="initialSize" value="1" />  
        <property name="minIdle" value="1" />   
        <property name="maxActive" value="20" />  
       
        <!--               -->  
        <property name="maxWait" value="60000" />  
       
        <!--              ，           ，      -->  
        <property name="timeBetweenEvictionRunsMillis" value="60000" />  
       
        <!--                 ，      -->  
        <property name="minEvictableIdleTimeMillis" value="300000" />  
        
        <property name="validationQuery" value="SELECT 'x'" />  
        <property name="testWhileIdle" value="true" />  
        <property name="testOnBorrow" value="false" />  
        <property name="testOnReturn" value="false" />  
       
        <!--   PSCache，         PSCache    -->  
        <property name="poolPreparedStatements" value="true" />  
        <property name="maxPoolPreparedStatementPerConnectionSize" value="20" />  
       
        <!--          filters，       sql     -->  
        <property name="filters" value="stat" />   
    </bean>  

     initialSize，maxActive   ,                ，          ,             ，   jar     。

        ：

web.xml

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    <span style="white-space:pre">  </span><filter>  
            <filter-name>DruidWebStatFilter</filter-name>  
            <filter-class>com.alibaba.druid.support.http.WebStatFilter</filter-class>  
            <init-param>  
                <param-name>exclusions</param-name>  
                <param-value>*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*</param-value>  
            </init-param>  
          </filter>  
          <filter-mapping>  
            <filter-name>DruidWebStatFilter</filter-name>  
            <url-pattern>/*</url-pattern>  
          </filter-mapping>  

filter    webURl   
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    <span style="white-space:pre">  </span><servlet>  
            <servlet-name>DruidStatView</servlet-name>  
            <servlet-class>com.alibaba.druid.support.http.StatViewServlet</servlet-class>  
        </servlet>  
        <servlet-mapping>  
            <servlet-name>DruidStatView</servlet-name>  
            <url-pattern>/druid/*</url-pattern>  
        </servlet-mapping>  

           ，    ，  http://ip  :   /   /druid/index.html           。

Druid   -      JDBC