[CRIU] Docker checkpoint: real-world workloads

[Ross Boucher]

Could you share the version of Docker you were running, along with the
commands you used to invoke the checkpoint and restore?

On Fri, Sep 22, 2017 at 8:05 AM Alice Frosi <alice at linux.vnet.ibm.com>
wrote:

> Hi,
>
> We have started to test docker checkpoint with a real-world workloads.
>
> Until now we tried with acmeair-nodejs [1] with the microservice usecase.
>
> This application creates 10 containers and they interact between each
> other with volumes and network
>
> connection. The checkpoint war not successful. Here, the error message in
> restore:
>
> (00.195135)      1: No iptables-9.img image
>
> (00.195136)      1: Error (criu/include/image.h:144): BUG at
> criu/include/image.h:144
>
> (00.195171) Error (criu/cr-restore.c:1284): 15638 killed by signal 127:
> Unknown signal 127
>
> (00.315156) Error (criu/mount.c:2980): mnt: Can't remove the directory
> /tmp/.criu.mntns.C12otH: No such file or directory
>
> (00.315160) Error (criu/cr-restore.c:2152): Restoring FAILED.
>
> We tested with criu version:
>
> Version: 3.4
>
> GitID: v3.4-224-g3706af7b
>
> 1) Any ideas for what could have caused the error?
>
> Additionally, we have two more general questions.
>
> 2) How should we perform checkpoint for applications with multiple
> container interaction?
>
> 3) For which use cases have you already tried the C/R?
>
> We saw this overview in your wiki [2], but it seems to be not recently
> updated.
>
> Regards
>
> Alice Frosi
>
> [1]
> https://github.com/blueperf/acmeair-nodejs/blob/master/README_Docker.md
> [2] https://criu.org/What_software_is_supported
>
>
>
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