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apache/zookeeper

Apache ZooKeeper

Java ◇ apache Apache-2.0
★12.8KSTARS
⑂7.3KFORKS
!242ISSUES
🏆#635GLOBAL RANK
🔥2DAYS TRENDING
🚀
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Star History

Continuous Observations
Interactive star growth chart for apache/zookeeper
CSV

Momentum

+320

STARS · LAST 30 DAYS

11

PER DAY

#34

MOST-STARRED Java

Window7 days30 days90 days
Stars gained+77+320+990
Per day111111
Forks gained+37+146+366

zookeeper gained 320 stars in the last 30 days, about 11 a day, and now has 12.8K. It is about 18 years old and has averaged roughly 712 stars a year. It ranks #34 among Java repositories and #635 across all languages on GitHubRepo.

Trending Record

zookeeper has maintained a continuous presence across global trending indexes, peaking at #1536. Below is the 30-day activity profile:

💡 Overview

zookeeper is an open-source project written in Java: Apache ZooKeeper.

Engineered for speed, consistency, and developer ease, it solves common hurdles in apache, configuration-management, consensus. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.

⚡ Key Features

1

Optimized execution pipeline written in Java for predictable speed.

2

Zero-friction configuration with comprehensive sensible defaults out of the box.

3

Cross-platform runtime support across Linux, macOS, and Windows environments.

4

Strong typing and modular architecture designed for easy extension and maintainability.

5

Standardized CLI and API interfaces for smooth integration into CI/CD workflows.

6

Active community maintenance with regular dependency updates and security patches.

📥 Installation

terminal
$ git clone https://github.com/apache/zookeeper.git
cd zookeeper

⚙ System Requirements

Platforms

  • • macOS
  • • Linux
  • • Windows

Runtime & Dependencies

JDK 17 or higher (OpenJDK / GraalVM)

Architecture

x86_64, ARM64 (Apple Silicon & Graviton)

🧠 How It Works

zookeeper 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

High-Throughput Storage

Persist and retrieve structured data records with minimal latency and high concurrency.

In-Memory Caching

Accelerate application response times by caching frequently queried database entities.

Analytical Queries

Run aggregate metrics and point lookups across large sets of records.

Distributed Replication

Synchronize state across multiple cluster nodes with strong consistency guarantees.

🚀 Getting Started

1

Install zookeeper using your package manager: `git clone https://github.com/apache/zookeeper.git`

2

Initialize your project workspace or configuration file for zookeeper.

3

Import zookeeper into your codebase or invoke it directly from your terminal.

4

Execute your test suite or run `zookeeper --help` to verify successful setup.

👍 Strengths

Active community backing with 12,812 GitHub stars and verified adoption.
Permissive open-source distribution under the Apache-2.0 license.
Built in Java for high execution speed and developer familiarity.
Cross-platform compatibility across modern Linux, macOS, and Windows environments.
Clean modular design allowing flexible configuration and pipeline integration.

⚠️ Considerations

Requires familiarity with Java and modern CLI workflows.
Ecosystem extensions may require manual configuration depending on environment constraints.
Active development roadmap means breaking API changes may occur across major versions.

⇄ Alternatives & Direct Competitors

S

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👥 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

apache/zookeeper is currently ranked #635 by stars across every repository tracked on GitHubRepo. These are adjacent projects:

RankRepositoryLanguageStarsAction
#630 Canop/broot Rust ★ 13K Compare ↗
#631 capistrano/capistrano Ruby ★ 13K Compare ↗
#632 StarTrail-org/LEANN Python ★ 13K Compare ↗
#633 web-infra-dev/rspack Rust ★ 12.9K Compare ↗
#634 codecentric/spring-boot-admin Java ★ 12.9K Compare ↗
#635 apache/zookeeper This Project Java ★ 12.8K
#636 Piebald-AI/claude-code-system-prompts JavaScript ★ 12.8K Compare ↗
#637 PX4/PX4-Autopilot C++ ★ 12.7K Compare ↗
#638 emdash-cms/emdash TypeScript ★ 12.7K Compare ↗
#639 Automattic/wp-calypso TypeScript ★ 12.6K Compare ↗
#640 Kludex/starlette Python ★ 12.6K Compare ↗

Frequently Asked Questions

What does zookeeper do? +

Apache ZooKeeper

What language is zookeeper written in? +

The primary language is Java. Topics include: apache, configuration-management, consensus, coordination, database.

Is zookeeper actively maintained? +

Yes, the last recorded push was on Sep 20, 2026 with 242 open issues being tracked.

How many stars does zookeeper have? +

zookeeper has 12,812 stars and 7,320 forks on GitHub.

How does zookeeper rank among GitHub repositories? +

With 12,812 stars, apache/zookeeper is ranked #635 globally across all repositories tracked on GitHubRepo and #34 among Java projects.

What license is zookeeper distributed under? +

The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.

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