Min RK

That's what I was referring to with the `hook into lab's existing Connection Lost event`. That event will can still occur, so there can be a bit of a fight...

The user environment is configured by setting `Spawner.environment`. Perhaps this shoudl be in `tljh-config set user_environment.env.ENVVAR`? It's unclear to me when an option should have a high-level tljh-config alias vs...

> We should print in TLJH also. 👍 > Should we go for load_subconfig in z2jh I don't see a reason to not use `load_subconfig`. I don't recall the reasoning...

I think this is a good idea. > I think it's from yielding messages in progress Exactly right, and I just came here from [binderhub][], where we had some post-processing...

> Is is a problem that Python 3 is not listed as a kernel anymore? 🤔 Possibly. We'll need to be careful with this one if the kernel env is...

I just came across this because I was looking at orphaned, evicted pods on mybinder.org. Using a pod with this state: ``` Status: Failed Reason: Evicted Message: The node was...

Can you share the logs of `jupyterhub --debug` during a spawn? And perhaps try to identify some timings of when the container is created, starts, becomes responsive, and finally the...

Thanks! Do you also have the logs of the `jupyter-demo` container?

From the logs, we have these key events: ``` # 10:31: login start hub_1 | [I 2018-12-06 04:10:31.048 JupyterHub log:158] 200 GET /hub/login (@100.8.219.135) 31.61ms # 10:38: login finish hub_1...

A similar (asyncio) wait for DNS resolution when `use_internal_hostname` is set (~always for swarm spawner) would be appropriate to add if anyone is up for a PR.