Druid中有DruidDataSource/Spring/Web等监控记录,其中DruidDataSource提供了保存监控记录的API。
保存DruidDataSource的监控记录
DruidDataSource有一个属性timeBetweenLogStatsMillis,配置timeBetweenLogStatsMillis>0之后,DruidDataSource会定期把监控数据输出到日志中。
<code> <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close"> ... ... <property name="timeBetweenLogStatsMillis" value="300000" /> ... ... </bean> </code>
或者通过jvm启动参数来指定,例如:
<code> -Ddruid.timeBetweenLogStatsMillis=300000 </code>
定制StatLogger
DruidDataSource是通过 com.alibaba.druid.pool.DruidDataSourceStatLoggerImpl.DruidDataSourceStatLoggerImpl 来实现输入监控数据到日志的,你可以自定义一个StatLogger,例如:
Java代码
<code> import com.alibaba.druid.pool.DruidDataSourceStatLoggerAdapter; import com.alibaba.druid.pool.DruidDataSourceStatLogger ; public class MyStatLogger extends DruidDataSourceStatLoggerAdapter implements DruidDataSourceStatLogger { ... ... } </code>
配置
<code> <bean id="myStatLogger" class="com.mycompany.MyStatLogger"> ... ... </bean> <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close"> ... ... <property name="statLogger" ref="myStatLogger" /> ... ... </bean> </code>
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