[GitHub] [openwhisk] dgrove-oss edited a comment on issue #3711: How do you use docker-runc in a container?

[GitBox <gi...@apache.org>]

dgrove-oss edited a comment on issue #3711:
URL: https://github.com/apache/openwhisk/issues/3711#issuecomment-774304573


   Recalling from several years ago, but I think you need to have an almost perfect match of docker version on the host machine and in the invoker container.  Otherwise when the invoker uses its `runc` to try talk to the host `runc` via the mounted socket, you get grpc version mismatch and it doesn't work.
   
   The workaround is just don't use runc....fallback to using docker pause/unpause.  The performance gain from using runc was pretty important before the pause grace period was introduced.  Waiting 50ms before pausing usually pushes the pause/unpause frequency down a fair amount, so the few ms you save from runc vs. docker pause has less impact.


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