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Welcome to CRIU, a project to implement checkpoint/restore functionality for Linux in userspace. | Welcome to CRIU, a project to implement checkpoint/restore functionality for Linux in userspace. | ||
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| + | Checkpoint/Restore In Userspace, or CRIU, is a software tool for Linux operating system. Using this tool, you can freeze a running application (or part of it) and checkpoint it to a hard drive as a collection of files. You can then use the files to restore and run the application from the point it was frozen at. The distinctive feature of the CRIU project is that it is mainly implemented in user space. | ||
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| + | The project is currently under very active development. CRIU is a sub-project of <span class="plainlinks">[http://openvz.org OpenVZ].</span> | ||
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* [[Events]] | * [[Events]] | ||
* Join the [[CRIU acronym fun]] | * Join the [[CRIU acronym fun]] | ||
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| + | <center><small>CRIU is a sub-project of</small><br> | ||
| + | <span class="plainlinks">[http://openvz.org http://static.openvz.org/wiki/openvz-logo.png]</span></center> | ||
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Revision as of 21:11, 25 October 2012
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Welcome to CRIU, a project to implement checkpoint/restore functionality for Linux in userspace.
Checkpoint/Restore In Userspace, or CRIU, is a software tool for Linux operating system. Using this tool, you can freeze a running application (or part of it) and checkpoint it to a hard drive as a collection of files. You can then use the files to restore and run the application from the point it was frozen at. The distinctive feature of the CRIU project is that it is mainly implemented in user space.
The project is currently under very active development. CRIU is a sub-project of OpenVZ.
Using
- CR tools
- Main checkpoint/restore utility description (sort of HOWTO)
- Usage scenarios
- Ideas how crtools can be used (some are crazy indeed)
- What software is supported
- Describes TODO list in higher level terms
- LXC
- How to dump and restore an LXC container
Developing
If you're interested in CRIU development, please subscribe to the criu mailing list: https://openvz.org/mailman/listinfo/criu
- Images
- Description of image files format
- Commits
- Mainline kernel commits tracker
- ZDTM Test Suite
- Zero downtime test suite
- TODO
- Current TODO list
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Under the hood
External links
- 2026-09-21, Fast Recovery for LLM Serving via Decoupled Device Memory Lifetime in Dynamo
- 2026-07-22, Forensic Analysis of Container Snapshot Chains for Post-event Reconstruction
- 2026-07-14, Accelerating Model Inference with On‑the‑Fly Snapshot Compression
- 2026-07-09, Reverse-engineering NVIDIA's cuda-checkpoint for Faster Cold Starts
- 2026-06-29, Fast vLLM: cutting cold starts by 20x
- 2026-06-25, Elastic Resource Management for Heterogenous Container-Based Clouds
- 2026-06-01, NVIDIA Dynamo Snapshot: Fast Startup for Inference Workloads on Kubernetes
- 2026-05-12, How we achieved truly serverless GPUs
- 2026-04-27, Towards On-the-Fly Snapshot Memory Compression for Low-Latency Elastic Inference Serving Systems
- 2026-04-06, Cloudburst: 70x faster cold(ish) starts for SGLang
- 2026-02-24, GPU Checkpoint/Restore Made Fast and Lightweight
- 2026-01-21, Announcing the Checkpoint/Restore Working Group
- 2025-11-17, Engine-Agnostic Model Hot-Swapping for Cost-Effective LLM Inference
Other
- Project history
- Logo description
- Events
- Join the CRIU acronym fun
http://static.openvz.org/wiki/openvz-logo.png