I have a worker process that lives for some time and contains some state. Worker processes can be spawned from multiple processes, so there is no single source that is the “parent” of these workers.

I want to show a dashboard of all the worker processes that are running and some information from their state. I want to show this all in a liveview, preferably on page load or soon after, so preferably all in one go, not as a page that slowly populates from a stream of data.

What is the best way for my liveview to gather all this information living in different processes?

My current solution is for the workers to regularly report their state to a gen server that keeps track of the workers, and the liveview calls this tracker process on mount. The tracker also listens for the death of workers so it can remove their info. Is there a better way to do this? This tracker feels like a single point of failure, and is also duplicating all the state that is already stored in the workers.