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Update for docker checkpoint 

Signed-off-by: yuexiao-wang <wang.yuexiao@zte.com.cn>
master
yuexiao-wang 2016-11-08 16:15:09 +08:00 committed by Tibor Vass
parent 53846847ba
commit 010340e304
1 changed files with 4 additions and 3 deletions
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7
experimental/checkpoint-restore.md
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@ -33,7 +33,7 @@ migration of a server from one machine to another. This is possible with the
current implementation, but not currently a priority (and so the workflow is current implementation, but not currently a priority (and so the workflow is
not optimized for the task). not optimized for the task).
## Using Checkpoint & Restore ## Using checkpoint & restore
A new top level command `docker checkpoint` is introduced, with three subcommands: A new top level command `docker checkpoint` is introduced, with three subcommands:
- `create` (creates a new checkpoint) - `create` (creates a new checkpoint)
@ -48,7 +48,8 @@ The options for checkpoint create:
Create a checkpoint from a running container Create a checkpoint from a running container
--leave-running=false leave the container running after checkpoint --leave-running=false Leave the container running after checkpoint
--checkpoint-dir Use a custom checkpoint storage directory
And to restore a container: And to restore a container:
@ -71,7 +72,7 @@ in between running/checkpoint/restoring you should see that the counter
increases while the process is running, stops while it's checkpointed, and increases while the process is running, stops while it's checkpointed, and
resumes from the point it left off once you restore. resumes from the point it left off once you restore.
## Current Limitation ## Current limitation
seccomp is only supported by CRIU in very up to date kernels. seccomp is only supported by CRIU in very up to date kernels.