Detailed explanation of Druid connection pool configuration in JSP Spring
- 2021-12-04 19:25:29
- OfStack
Configuration of Druid Connection Pool in JSP Spring
jdbc.properties
url=jdbc:postgresql://***.***.***.***:****/****
username=***
password=***
Configuring bean in applicationContext. xml
<!-- Ali druid Database connection pool -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
<!-- Basic attribute url , user , password -->
<property name="url" value="${url}" />
<property name="username" value="${username}" />
<property name="password" value="${password}" />
<!-- Configure initialization size, minimum, maximum -->
<property name="initialSize" value="1" />
<property name="minIdle" value="1" />
<property name="maxActive" value="20" />
<!-- Configure the time to get the connection wait timeout -->
<property name="maxWait" value="60000" />
<!-- How long does the configuration interval take place 1 Detects idle connections that need to be closed, in milliseconds -->
<property name="timeBetweenEvictionRunsMillis" value="60000" />
<!-- Configure 1 The minimum time, in milliseconds, for a connection to live in the pool -->
<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" />
<!-- Open PSCache And specifies that on each connection PSCache The size of -->
<property name="poolPreparedStatements" value="true" />
<property name="maxPoolPreparedStatementPerConnectionSize" value="20" />
<!-- Configure the for monitoring statistics interception filters After removing the monitoring interface, sql Unable to count -->
<property name="filters" value="stat" />
</bean>
Monitor configuration web. xml
<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>
<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>
This configuration can access the monitoring interface. After configuration, you can use http://ip: port/Project Name/druid/index. html
Monitor database access performance
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