Jens Elkner

process metrics linux: better performance + tests

1

fixes #85

better performance for process_* metrics on linux

1

Current process_* metrics implementation for linux has a huge overhead by re-opening/closing files on each pull. Instead it should keep the process related files open (they do not change over...

Missing process/fd metrics on solaris OS.

### Bug description When jupyterhub spawns a new single user instance it passes not the current parameters from the given config file, but outdated/wrong values from a previous run. ###...