When checking out the nodes of your Kubernetes cluster, you may have noticed some containers called “pause” running when you do a docker ps
on the node.
$ docker ps
CONTAINER ID IMAGE COMMAND ...
...
3b45e983c859 gcr.io/google_containers/pause-amd64:3.0 "/pause" ...
...
dbfc35b00062 gcr.io/google_containers/pause-amd64:3.0 "/pause" ...
...
c4e998ec4d5d gcr.io/google_containers/pause-amd64:3.0 "/pause" ...
...
508102acf1e7 gcr.io/google_containers/pause-amd64:3.0 "/pause" ...
What are these “pause” containers and why are there so many of them? What’s going on?
Read more at Ian Lewis