crun
A fast and lightweight fully featured OCI runtime and C library for running containers.
Overview
crun is an OCI-compliant container runtime written in C, designed to be a faster and more lightweight alternative to runc. It is fully compatible with the OCI runtime specification and can be used as a drop-in replacement for runc in container engines like Podman, CRI-O, and containerd.
✨ Key Features
- OCI Runtime Specification compliant
- Fast container startup and low memory usage
- Written in C for performance and small binary size
- Support for cgroup v2
- Can be used as a library
🎯 Key Differentiators
- Significantly faster and more memory-efficient than runc
- Written in C
- Leading innovation in OCI runtime features
Unique Value: Offers superior performance and lower resource consumption for running OCI-compliant containers.
🎯 Use Cases (3)
✅ Best For
- Default runtime in some Linux distributions
- Used with Podman for improved performance
💡 Check With Vendor
Verify these considerations match your specific requirements:
- Direct use by end-users for general container management
🏆 Alternatives
Provides a significant performance boost over runc, making it ideal for environments where speed and efficiency are critical.
💻 Platforms
✅ Offline Mode Available
🔌 Integrations
💰 Pricing
Free tier: crun is a free and open-source project.
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