Druid Monitor 【DIRECT ◎】

This comprehensive guide dives deep into the Druid Monitor, exploring why it is essential, how to configure it, and how to leverage its powerful metrics to diagnose, troubleshoot, and optimize your application’s data layer. Before dissecting the monitor, it is vital to understand the tool itself. Druid is an open-source database connection pool project created by Alibaba. It has become the de facto standard in the Chinese tech industry and is rapidly gaining global adoption due to its superiority over competitors like DBCP, C3P0, and BoneCP.

Enter , arguably the best database connection pool in the Java ecosystem. While many developers adopt Druid for its lightning-fast performance and robust stability, its most distinguishing feature is often underutilized: the Druid Monitor . druid monitor

spring: datasource: type: com.alibaba.druid.pool.DruidDataSource druid: # Basic Pool Settings initial-size: 5 min-idle: 5 max-active: 20 max-wait: 60000 # Enable Monitoring Stat Filter stat-view-servlet: enabled: true url-pattern: /druid/* # The URL path to access the monitor login-username: admin # SECURITY: Set a username login-password: admin # SECURITY: Set a password reset-enable: false # Disable the "Reset All" button on the UI # Enable Web Application Monitoring web-stat-filter: enabled: true url-pattern: /* # Intercept all URLs exclusions: "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*" # Filter configurations filter: stat: enabled: true log-slow-sql: true # Log slow SQL to the console slow-sql-millis: 1000 # Threshold for "Slow SQL" wall: enabled: true # Enable SQL Firewall Once your application is running, navigate to: http://localhost:8080/druid/index.html This comprehensive guide dives deep into the Druid

In the high-stakes environment of modern enterprise Java development, performance is not merely a goal—it is a requirement. While developers spend countless hours optimizing code logic and microservices architecture, the bottleneck often lies in a less glamorous but critical component: the database connection. It has become the de facto standard in

<dependency> <groupId>com.alibaba</groupId> <artifactId>druid-spring-boot-starter</artifactId> <version>1.2.x</version>  </dependency> In your application.yml or application.properties , you need to enable the monitoring stat filter and the web console.