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+102
STARS · LAST 30 DAYS
3
PER DAY
#171
MOST-STARRED Java
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +21 | +102 | +270 |
| Per day | 3 | 3 | 3 |
| Forks gained | +8 | +34 | +84 |
chunjun gained 102 stars in the last 30 days, about 3 a day, and now has 4.1K. It is about 9 years old and has averaged roughly 455 stars a year. It ranks #171 among Java repositories and #2,376 across all languages on GitHubRepo.
Trending Record
4
DAYS ON TRENDING
#4418
BEST RANK
Oct 10, 2026
FIRST APPEARANCE
Active
STATUS TODAY
chunjun has maintained a continuous presence across global trending indexes, peaking at #4418. Below is the 30-day activity profile:
💡 Overview
chunjun is an open-source project written in Java: A data integration framework.
Engineered for speed, consistency, and developer ease, it solves common hurdles in bigdata, data-integration, flink. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in Java for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ git clone https://github.com/DTStack/chunjun.git
cd chunjun⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
JDK 17 or higher (OpenJDK / GraalVM)
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
chunjun coordinates its core functionality through a modular Java pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Production System Integration
Embed chunjun into Java backend services to handle core application logic.
CI/CD Automated Pipelines
Run automated validation, builds, and integration suites during deployments.
Developer Tooling & Workflows
Accelerate developer onboarding with pre-configured project utilities.
Open Source Extension
Fork and customize internal modules under the repository's open Apache-2.0 license.
🚀 Getting Started
Install chunjun using your package manager: `git clone https://github.com/DTStack/chunjun.git`
Initialize your project workspace or configuration file for chunjun.
Import chunjun into your codebase or invoke it directly from your terminal.
Execute your test suite or run `chunjun --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Java, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
DTStack/chunjun is currently ranked #2,376 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #2,371 | weavejester/compojure | Clojure | ★ 4.1K | Compare ↗ |
| #2,371 | basicmachines-co/basic-memory | Python | ★ 4.1K | Compare ↗ |
| #2,373 | langroid/langroid | Python | ★ 4.1K | Compare ↗ |
| #2,374 | DS-Homebrew/TWiLightMenu | C++ | ★ 4.1K | Compare ↗ |
| #2,375 | dprint/dprint | Rust | ★ 4.1K | Compare ↗ |
| #2,376 | DTStack/chunjun This Project | Java | ★ 4.1K | |
| #2,377 | more-itertools/more-itertools | Python | ★ 4.1K | Compare ↗ |
| #2,377 | connectrpc/connect-go | Go | ★ 4.1K | Compare ↗ |
| #2,379 | f4exb/sdrangel | C++ | ★ 4.1K | Compare ↗ |
| #2,380 | portfolio-performance/portfolio | Java | ★ 4.1K | Compare ↗ |
| #2,380 | MaskRay/ccls | C++ | ★ 4.1K | Compare ↗ |
Frequently Asked Questions
What does chunjun do? +
A data integration framework
What language is chunjun written in? +
The primary language is Java. Topics include: bigdata, data-integration, flink, framework, java.
Is chunjun actively maintained? +
Yes, the last recorded push was on Oct 9, 2026 with 287 open issues being tracked.
How many stars does chunjun have? +
chunjun has 4,098 stars and 1,684 forks on GitHub.
How does chunjun rank among GitHub repositories? +
With 4,098 stars, DTStack/chunjun is ranked #2,376 globally across all repositories tracked on GitHubRepo and #171 among Java projects.
What license is chunjun distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.
