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Welcome to CRIU, a project to implement checkpoint/restore functionality for Linux in userspace.
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CRIU is a sub-project of OpenVZ Linux Containers. |
Releases
Latest version
Tarball: | criu-3.19.tar.gz |
Version: | 3.19 "Bronze Peacock" |
Released: | 27 Nov 2023 |
GIT tag: | v3.19 |
New features
- LoongArch64 support
- C/R membarrier() registrations
- Restore THP_DISABLE prctl.
- prctl: Migrate prctl(NO_NEW_PRIVS) setting.
Bugfixes
- Many fixes and improvements from the Google team.
- Fix dumping hugetlb-based memfd on kernels < 4.16.
- Fixes here and there.
Improvements
- drop python 2 support
- support XSAVE on newer Intel CPUs
Old versions
3.x
The following 3.x releases were made:
- 3.17 "Radiant Redstart"
- 3.16 "Petrified Puffin"
- 3.15 "Titanium Falcon"
- 3.14 "Platinum Peacock"
- 3.13 "Silicon Willet"
- 3.12 "Ice Penguin"
- 3.11 "Glass Flamingo"
- 3.10 "Granite Eagle"
- 3.9 "Sand Martin"
- 3.8.1 "Snow Bunting"
- 3.8 "Snow Bunting"
- 3.7 "Vinyl Magpie"
- 3.6 "Alabaster Finch"
- 3.5 "Clay Jay"
- 3.4 "Cobalt Swan"
- 3.3 "Crystal Pelican"
- 3.2.1
- 3.2 "Tin Hoopoe"
- 3.1 "Graphene Swift"
- 3.0 "Basalt Wagtail"
2.x
The following 2.x releases were made:
- 2.12.1
- 2.12 "Vulcanite Rook"
- 2.11.1
- 2.11 "Acrylic Bullfinch"
- 2.10 "Brass Waxwing"
- 2.9 "Silk Tit"
- 2.8 "Bronze Siskin"
- 2.7 "Rubber Owl"
- 2.6 "Paper Crane"
- 2.5 "Concrete Oriole"
- 2.4 "Marble Lark"
- 2.3 "Wooden Duck"
- 2.2 "Carbon Nightingale"
- 2.1 "Steel Lapwing"
- 2.0
1.x
The following 1.x releases were made:
0.x
The following 0.x releases were made:
See also
- Changelogs to see all the changelogs on a single page.
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, 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
Under the hood
External links
- 2024-04-22, Just-In-Time Checkpointing: Low Cost Error Recovery from Deep Learning Training Failures
- 2024-04-22, Pronghorn: Effective Checkpoint Orchestration for Serverless Hot-Starts
- 2024-01-29, Prebaking runtime environments to improve the FaaS cold start latency
- 2023-11-12, Checkpoint/Restart for CUDA Kernels
- 2023-10-23, Evicting for the greater good: The Case for Reactive Checkpointing in Serverless Computing
- 2023-04-20, A Dynamic Checkpoint Interval Decision Algorithm for Live Migration-Based Drone-Recovery System
- 2023-03-10, Forensic Container Analysis
- 2023-01-14, Async-fork: Mitigating Query Latency Spikes Incurred by the Fork-based Snapshot Mechanism from the OS Level
- 2022-12-05, Forensic container checkpointing in Kubernetes