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alibaba/druid

📈 Trending★ 28,196JavaAudience · developerComplexity · 2/5ActiveLicenseSetup · easy

TLDR

Java database connection pool library with built-in monitoring and diagnostics for high-performance database access in backend applications.

Mindmap

mindmap
  root((Druid))
    What it does
      Connection pooling
      Performance optimization
      Database monitoring
    Key features
      Statistics tracking
      Diagnostics tools
      Spring Boot integration
    Use cases
      Backend applications
      Production systems
      Database troubleshooting
    Tech stack
      Java
      Maven
      Spring Boot

Things people build with this

USE CASE 1

Build a Java web service that efficiently manages database connections without opening new ones for every query.

USE CASE 2

Monitor and diagnose database connection issues in production by viewing detailed statistics and metrics.

USE CASE 3

Integrate connection pooling into a Spring Boot application with minimal configuration.

Tech stack

JavaMavenSpring BootJDBC

Getting it running

Difficulty · easy Time to first run · 5min
Use freely for any purpose, including commercial use, as long as you include the Apache 2.0 license notice and document any changes you make.

In plain English

Druid is a database connection pool library for Java, created by Alibaba's DataWorks team. A connection pool is a cache of pre-opened database connections that your application can reuse, rather than opening and closing a fresh connection for every database query. This reduces overhead and improves performance in applications that need to talk to a database frequently. According to the description, Druid was specifically built with monitoring in mind, it provides detailed statistics and visibility into database connection usage, which helps developers and operators understand how their applications are interacting with the database. This is a distinguishing feature compared to other connection pool libraries. You would use Druid in a Java backend application that connects to a relational database, particularly when you need production-grade monitoring, diagnostics, or fine-grained control over connection behavior. It integrates with Spring Boot via a dedicated starter module. The README is very brief and primarily links to Chinese and English documentation wikis. Based on the description and available information, this is a Java library (available via Maven Central, the standard Java package repository) licensed under Apache 2.0.

Copy-paste prompts

Prompt 1
Show me how to set up Druid connection pooling in a Java application with Spring Boot.
Prompt 2
How do I configure Druid to monitor and log database connection statistics in my backend?
Prompt 3
What are the key configuration options for tuning Druid's connection pool size and timeout behavior?
Prompt 4
How can I use Druid's monitoring features to diagnose slow database queries in production?
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Generated 2026-05-18 · Model: sonnet-4-6 · Verify against the repo before relying on details.