danger/u/
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| interesting os problems


| Checkpoints and save-states. How do you capture the running state of a process and restart it at a later date, without it imploding?

There are a few ways of doing this, each with their own drawbacks. I'm currently looking into DMTCP for this.


| >>589803 wait has *any* os added that? Besides virtual machines, I've never seen that but always wanted it


| >>589891
PhantomOS does: https://en.wikipedia.org/wiki/Phantom_OS?wprov=sfla1

DMTCP is user space software though.


| >>589894 that's really cool
so you're implementing process save states on Linux or what os


| >>590179
Phantom OS is its own system (I recommend looking into it as its design is really interesting).

DMTCP though, runs on a Linux system. The cool part is that it lives in user space and saves states to files, meaning that if two machines can share file storage, a process that is checkpointed on one can be redirected on the other.

http://dmtcp.sourceforge.net/

Total number of posts: 6, last modified on: Sat Jan 1 00:00:00 1566246405

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