[CRIU] Docker checkpoint: real-world workloads

[Ross Boucher]

Can you post the full dump and restore logs somewhere and link to them?

On Fri, Sep 22, 2017 at 9:43 AM Alice Frosi <alice at linux.vnet.ibm.com>
wrote:

> Docker version:
>
> Client:
>  Version:      17.10.0-dev
>  API version:  1.32
>  Go version:   go1.9
>  Git commit:
>  Built:        Thu Sep 21 10:13:54 2017
>  OS/Arch:      linux/s390x
>
> Server:
>  Version:      17.06.0-dev
>  API version:  1.32 (minimum version 1.12)
>  Go version:   go1.8.3
>  Git commit:   e9cb25e967
>  Built:        Thu Sep 21 09:31:03 2017
>  OS/Arch:      linux/s390x
>  Experimental: true
>
> Docker checkpoint commands:
>
> docker checkpoint create CONTAINER_NAME checkpoint
>
> docker start CONTAINER_NAME --checkpoint=checkpoint
>
>
> Thanks for the help
>
>
> Alice
>
> 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
>>
>>
>>
>> _______________________________________________
>> CRIU mailing list
>> CRIU at openvz.org
>> https://lists.openvz.org/mailman/listinfo/criu
>>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openvz.org/pipermail/criu/attachments/20170922/f66db07a/attachment.html>