criu/kernel checkpointing

Tags: linux

Provides checkpointing and snapshotting of applications and containers to disk

• https://en.wikipedia.org/wiki/CRIU
• https://criu.org/Main_Page
• https://access.redhat.com/articles/2455211
• https://github.com/checkpoint-restore/criu

Fortran days this was common to checkpoint against cores being used, however now issues with:

• signal states, semaphores, futexes, SELinux state, ptrace status, CPU affinities, special purpose file descriptors epoll_wait()