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Utilities for freezing running applications and persisting their memory and execution state to disk.
Distinct from Checkpoint Saving and Restoration: Distinct from AI model checkpoints or database restoration as it handles general Linux process state (registers, memory, file descriptors).
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CRIU is a Linux process checkpointing tool and state manager used to freeze running applications and save their memory and state to disk for later restoration. It functions as a container migration engine and an OCI checkpoint image converter, allowing the live state of running containers to be transferred between different hosts. The project distinguishes itself through its ability to persist network connectivity, acting as a TCP connection state persister that saves and reconstructs network socket states to maintain active communication after a restart. It further enables the distribution o
Provides the core ability to freeze running applications and save their memory and state to disk for later restoration.