Druid connection pool

Druid is a database connection pool first, but it is not just a database connection pool. It also contains a proxydriver, a series of built-in JDBC component libraries, and an SQL parser.

• Maven Configuration

Add the following configuration section in the Pom. xml file --

1 <dependency>2 　　<groupId>com.alibaba</groupId>3 　　<artifactId>druid</artifactId>4 　　<version>${druid-version}</version>5 </dependency>

• Spring data source configuration

Add the following configuration section in the spring configuration file --

 1 <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">    2     <property name="url" value="${jdbc_url}" />   3     <property name="username" value="${jdbc_user}" />   4     <property name="password" value="${jdbc_password}" />   5         6     <property name="filters" value="stat" />   7     8     <property name="maxActive" value="20" />   9     <property name="initialSize" value="1" />  10     <property name="maxWait" value="60000" />  11     <property name="minIdle" value="1" />  12    13     <property name="timeBetweenEvictionRunsMillis" value="60000" />  14     <property name="minEvictableIdleTimeMillis" value="300000" />  15    16     <property name="validationQuery" value="SELECT ‘x‘" />  17     <property name="testWhileIdle" value="true" />  18     <property name="testOnBorrow" value="false" />  19     <property name="testOnReturn" value="false" />  20        21     <property name="poolPreparedStatements" value="true" />  22     <property name="maxPoolPreparedStatementPerConnectionSize" value="50" />  23 </bean>

• Web Monitoring page configuration

Add the following configuration section in Web. XML to perform monitoring through http: // {IP }:{ port}/druid.

1 <servlet>2     <servlet-name>DruidStatView</servlet-name>3     <servlet-class>com.alibaba.druid.support.http.StatViewServlet</servlet-class>4 </servlet>5 <servlet-mapping>6     <servlet-name>DruidStatView</servlet-name>7     <url-pattern>/druid/*</url-pattern>8 <servlet-mapping>

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Druid connection pool