From: Arnaldo Carvalho de Melo (
Date: Fri Dec 13 2002 - 09:47:44 EST

Em Thu, Dec 12, 2002 at 04:04:46PM -0200, Breno escreveu:
> I saw something about one project of FreeBSD and this is about imigration of
> processes between two machines.
> The kernel Linux has something about this , or some project like that ?

Right next door (oops, city):

   What is EPCKPT?

   EPCKPT is a checkpoint/restart utility built into the Linux kernel.
   Checkpointing is the ability to save an image of the state of a
   process (or group of processes) at a certain point during its
   lifetime. Checkpoints are important to a wide range of applications.
   The most common uses for checkpointing are:
     * Fault-tolerance
     * Applications trace/Debugging
     * Rollback/Animated playback
     * Process migration

   Our main interest right now is process migration. So, we optimized
   EPCKPT to make process' image the smaller possible, so migration costs
   would be low.

- Arnaldo
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