| title |
date |
tags |
| Containerized zombie spawner |
2015-08-12 21:21:13 |
|
Recently I was playing with a fully Dockerized setup of Jenkins at work
and found a curious issue there. Whenever Jenkins was polling the git
server the side effect was that it created a zombie ssh process. The
issue is actually
remediated by the
Jenkins team now by explicitly using
a tiny init system called ... tini started as the main
container's process instead of just starting Jenkins there. This tiny
tini thing can properly adopt and reap the children. I was all like -
wow, what a great blog entry is coming at me. I was planning to describe
how zombies come to existence on Linux and why Docker should, in my
opinion, provide an adopter-reaper by default and other very interesting
things ! But then I found a really excellent article by the
Phusion team
here
explaining all that and more. It is very good. You should read it. That
is it. The end. Happy reaping !
