I think this was the problem [1] was targeting
[1] http://engineeringblog.yelp.com/2016/01/dumb-init-an-init-fo...
Re:Docker 1.10.0 is out
by sandGorgon on Friday February 05, 2016 @10:41AM
(#11042095)
One of many.
Which is why u think might as well get systemd working on docker...
Re:Docker 1.10.0 is out
by nemothekid on Friday February 05, 2016 @01:50PM
(#11043660)
I see, so it looks like if your process spawns other processes and doesn't reap them when they die, you end up in trouble with zombie processes in docker.
[1] https://blog.phusion.nl/2015/01/20/docker-and-the-pid-1-zomb...