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Download Tarball: criu-3.19.tar.gz Version: 3.19 "Bronze Peacock" Released: 27 Nov 2023 GIT tag: v3.19 Installation • Usage Releases

Welcome to CRIU, a project to implement checkpoint/restore functionality for Linux in userspace.

CRIU is a sub-project of OpenVZ Linux Containers.

Releases

• crtools-0.1.tar.bz2 23 Jul 2012 (sha1 aa1a9af42f4132e00701555a00ee3884cbe0c36b)

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

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

• Sockets
• Memory dumping and restoring
• Checkpoint/Restore
• TCP connection
• Porting crtools to new kernel releases
• Files

External links

• 2024-04-22, Pronghorn: Effective Checkpoint Orchestration for Serverless Hot-Starts
• 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
• 2022-11-13, Out of hypervisor (OoH): efficient dirty page tracking in userspace using hardware virtualization feature
• 2022-08-07, iContainer: Consecutive Checkpointing with Rapid Resilience for Immortal Container-based Services

More external articles...