Druid数据源使用一自定义方式
druid官方github地址
https://github.com/alibaba/druid
整合第三方技术的两种方式
- 自定义
- 找starter
创建数据源
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.17</version>
</dependency>
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
destroy-method="close">
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
<property name="maxActive" value="20" />
<property name="initialSize" value="1" />
<property name="maxWait" value="60000" />
<property name="minIdle" value="1" />
<property name="timeBetweenEvictionRunsMillis" value="60000" />
<property name="minEvictableIdleTimeMillis" value="300000" />
<property name="testWhileIdle" value="true" />
<property name="testOnBorrow" value="false" />
<property name="testOnReturn" value="false" />
<property name="poolPreparedStatements" value="true" />
<property name="maxOpenPreparedStatements" value="20" />
StatViewServlet
StatViewServlet的用途包括:
- 提供监控信息展示的html页面
- 提供监控信息的JSON API
<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>
StatFilter
用于统计监控信息;如SQL监控、URI监控
需要给数据源中配置如下属性;可以允许多个filter,多个用,分割;如: <property name="filters" value="stat,slf4j" />

<bean id="stat-filter" class="com.alibaba.druid.filter.stat.StatFilter">
<property name="slowSqlMillis" value="10000" />
<property name="logSlowSql" value="true" />
</bean>
使用 slowSqlMillis 定义慢SQL的时长

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