Clean the finished training jobs

You can clean the finished the training jobs only use command arena prune --since <DURATION>.

the following command is an example, it represents that arena will clean up the training jobs whose status are FAILED or COMPLETEDED 5 minutes ago.

$ arena prune --since 5m

If you want to clean all training jobs of all namespaces, you should add option --all-namespaces.

$ arena prune --all-namespaces