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druid 配置

2016-04-06 16:55 330 查看
连接池配置,以及相关配置

<bean id="logFilter" class="com.alibaba.druid.filter.logging.Slf4jLogFilter">
<property name="dataSourceLogEnabled" value="false" />
<property name="connectionLogEnabled" value="false" />
<property name="statementLogEnabled" value="false" />
<property name="resultSetLogEnabled" value="false" />
<property name="statementExecutableSqlLogEnable" value="true" />
</bean>

<!-- 数据源配置,使用DruidDataSource数据库连接池 -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
<!-- 基本属性 url、user、password -->
<property name="url" value="${jdbc.url}"/>
<property name="username" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>

<!-- 配置初始化大小、最小、最大 -->
<property name="initialSize" value="3"/>
<property name="minIdle" value="1"/>
<property name="maxActive" value="20"/>

<!-- 配置获取连接等待超时的时间 -->
<property name="maxWait" value="60000"/>

<!-- 配置间隔多久才进行一次检测,检测需要关闭的空闲连接,单位是毫秒 -->
<property name="timeBetweenEvictionRunsMillis" value="60000"/>

<!-- 配置一个连接在池中最小生存的时间,单位是毫秒 -->
<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"/>

<!-- 打开PSCache,并且指定每个连接上PSCache的大小 -->
<!--<property name="poolPreparedStatements" value="false"/>-->
<!--<property name="maxPoolPreparedStatementPerConnectionSize" value="20"/>-->

<!-- 配置监控统计拦截的filters -->
<property name="filters" value="stat"/>
<property name="proxyFilters">
<list>
<ref bean="logFilter"/>
</list>
</property>
</bean>


性能监控

<!-- druid方法性能监控,Controller需单独设置且需和mvc:annotation-driven放在同一个文件中,如spring-mvc.xml -->
<bean id="druid-stat-interceptor"
class="com.alibaba.druid.support.spring.stat.DruidStatInterceptor">
</bean>

<bean id="druid-stat-pointcut-controller" class="org.springframework.aop.support.JdkRegexpMethodPointcut"
scope="prototype">
<property name="patterns">
<list>
<value>xx.xxx.theme.controller.*</value>
</list>
</property>
</bean>

<aop:config proxy-target-class="true">
<aop:advisor advice-ref="druid-stat-interceptor"
pointcut-ref="druid-stat-pointcut-controller"/>
</aop:config>


开启web监控。 web.xml

<!-- Druid数据源监控 -->
<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/*,/public/*,/status/*</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>


参考:
https://github.com/alibaba/druid/wiki/%E9%85%8D%E7%BD%AE_LogFilter
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