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+ FT case
If there's some service, that got hung, but need to be restarted quickly, it's possible to take a dump of one, restart and debug why it hanged later, using its restored copy.
If there's some service, that got hung, but need to be restarted quickly, it's possible to take a dump of one, restart and debug why it hanged later, using its restored copy.
== Fault-tolerant systems ==
With CRIU it's possible to periodically duplicate process on another box. Requires [[Applying images]] facility.