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JuiceFS: High-Performance POSIX Distributed File System for Cloud Storage
JuiceFS is a high-performance POSIX file system designed for cloud-native environments, leveraging object storage (like S3) and Redis for metadata to provide scalable, cost-effective storage.
Go
Added on 2025年6月27日11,767
Stars1,047
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LanguageProject Introduction
Summary
JuiceFS is an open-source distributed file system that integrates object storage and Redis. It offers a POSIX-compatible interface, enabling applications to access vast amounts of data stored in the cloud with high performance and scalability.
Problem Solved
Traditional file systems are often difficult to scale in cloud environments and integrating object storage directly into applications can be complex. JuiceFS provides a simple, performant, and scalable file system layer over cost-effective cloud storage.
Core Features
POSIX Compatible Interface
Provides full POSIX compatibility, allowing existing applications to interact with object storage as a standard file system.
High-Performance Metadata Engine
Stores metadata in Redis for low-latency access, significantly boosting performance for operations like listing directories and opening files.
Leverages Object Storage Backends
Utilizes cost-effective object storage (S3, Azure Blob, GCS, etc.) for data storage, providing massive scalability at lower costs than traditional block/file storage.
Tech Stack
Go
Redis
S3 Compatible Object Storage
FUSE
CSI Driver
Use Cases
JuiceFS is suitable for a wide range of scenarios where a scalable, performant, and POSIX-compatible file system is needed, particularly in cloud environments.
Big Data Analytics and AI/ML
Details
Running big data analytics frameworks like Hadoop, Spark, Presto directly on data stored in object storage, using JuiceFS as the shared file system.
User Value
Enables high-throughput, low-latency access to large datasets stored cost-effectively in object storage, accelerating processing and training.
Cloud-Native & Containerized Applications
Details
Providing persistent, shared storage for containerized applications orchestrated by Kubernetes, using the JuiceFS CSI driver.
User Value
Simplifies storage management for containers, offering scalable and durable file system access that integrates seamlessly with orchestrators.
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