Debug

Debug hanging multi-process

assuming pip install py-spy has been performed already

To get all the tracebacks at once:

pgrep -P $(pgrep -P $(pgrep -n arctic_training) | tail -1) | xargs -I {} py-spy dump --pid {}

but probably we want just the first few calls in MainSthread thread:

pgrep -P $(pgrep -P $(pgrep -n arctic_training) | tail -1) | xargs -I {} py-spy dump --pid {} | grep -A5 MainThread