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1 byte removed ,  21:12, 19 March 2015
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There are two ways to checkpoint and restore a Docker container:
 
There are two ways to checkpoint and restore a Docker container:
   −
'''External C/R:''' Using CRIU directly on the command line as it's typically
+
'''External C/R''' using CRIU directly on the command line as it's typically
done. This is called external because it's happening external to the
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done.
 +
 
 +
This is called external because it's happening external to the
 
Docker daemon.  After checkpoint, the Docker daemon thinks that the
 
Docker daemon.  After checkpoint, the Docker daemon thinks that the
 
container has exited.  After restore, the Docker daemon doesn't know that
 
container has exited.  After restore, the Docker daemon doesn't know that
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External C/R was done as a proof-of-concept.
 
External C/R was done as a proof-of-concept.
   −
'''Native C/R:''' Using ''docker checkpoint'' and ''docker restore'' commands.
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'''Native C/R''' using ''docker checkpoint'' and ''docker restore'' commands.
 +
 
 
Because the Docker daemon is involved in both checkpoint and restore,
 
Because the Docker daemon is involved in both checkpoint and restore,
 
its notion of the container state will be consistent and commands such as
 
its notion of the container state will be consistent and commands such as
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