尊重原文:http://blog.csdn.net/chenleixing/article/details/45165753
Druid連接池及監控在Spring配置如下:
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
<!-- 基本屬性 url、user、password -->
<property name="url" value="${jdbc_url}" />
<property name="username" value="${jdbc_user}" />
<property name="password" value="${jdbc_password}" />
<!-- 配置初始化大小、最小、最大 -->
<property name="initialSize" value="1" />
<property name="minIdle" value="1" />
<property name="maxActive" value="20" />
<!-- 配置獲取連接等待超時的時間 -->
<property name="maxWait" value="60000" />
<!-- 配置間隔多久才進行一次檢測,檢測需要關閉的空閒連接,單位是毫秒 -->
<property name="timeBetweenEvictionRunsMillis" value="60000" />
<!-- 配置一個連接在池中最小生存的時間,單位是毫秒 -->
<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" />
<!-- 打開PSCache,並且指定每個連接上PSCache的大小 -->
<property name="poolPreparedStatements" value="true" />
<property name="maxPoolPreparedStatementPerConnectionSize" value="20" />
<!-- 配置監控統計攔截的filters,去掉後監控界面sql無法統計 -->
<property name="filters" value="stat" />
</bean>
只要配置initialSize,maxActive就可以,目前這樣的配置已經能夠使用連接池,加入其實配置性能不好,官方文檔裏也不沒加其它屬性,連接池jar包免費下載。
然後是監控的配置:
<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可以監控webURl 訪問:
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>
該配置可以訪問監控界面,配置好後,訪問http://ip地址:端口號/項目名/druid/index.html即可監控數據庫訪問性能。
Druid連接池-阿里巴巴開源JDBC組件
配置方法2:
配置spring
com.alibaba.druid.support.spring.stat.DruidStatInterceptor是一個標準的Spring MethodInterceptor。可以靈活進行AOP配置。
Spring AOP的配置文檔: http://static.springsource.org/spring/docs/current/spring-framework-reference/html/aop-api.html
按類型攔截配置
<bean id="druid-stat-interceptor"
class="com.alibaba.druid.support.spring.stat.DruidStatInterceptor">
</bean>
<bean id="druid-type-proxyCreator" class="com.alibaba.druid.support.spring.stat.BeanTypeAutoProxyCreator">
<!-- 所有ABCInterface的派生類被攔截監控 -->
<property name="targetBeanType" value="xxxx.ABCInterface" />
<property name="interceptorNames">
<list>
<value>druid-stat-interceptor</value>
</list>
</property>
</bean>
方法名正則匹配攔截配置
<bean id="druid-stat-interceptor"
class="com.alibaba.druid.support.spring.stat.DruidStatInterceptor">
</bean>
<bean id="druid-stat-pointcut" class="org.springframework.aop.support.JdkRegexpMethodPointcut"
scope="prototype">
<property name="patterns">
<list>
<value>com.mycompany.service.*</value>
<value>com.mycompany.dao.*</value>
</list>
</property>
</bean>
<aop:config>
<aop:advisor advice-ref="druid-stat-interceptor"
pointcut-ref="druid-stat-pointcut" />
</aop:config>
有些情況下,可能你需要配置proxy-target-class,例如:
<aop:config proxy-target-class="true">
<aop:advisor advice-ref="druid-stat-interceptor"
pointcut-ref="druid-stat-pointcut" />
</aop:config>
按照BeanId來攔截配置
<bean id="druid-stat-interceptor"
class="com.alibaba.druid.support.spring.stat.DruidStatInterceptor">
</bean>
<bean
class="org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator">
<property name="proxyTargetClass" value="true" />
<property name="beanNames">
<list>
<!-- 這裏配置需要攔截的bean id列表 -->
<value>xxx-dao</value>
<value>xxx-service</value>
</list>
</property>
<property name="interceptorNames">
<list>
<value>druid-stat-interceptor</value>
</list>
</property>
</bean>