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My project has blown through the max 1M atoms, we’ve cranked up the limit, but I need to apply some sanity to the code that people are submitting with regard to list_to_atom and its friends. I’d like to start by getting a list of all the registered atoms so I can see where the largest offenders are. Is there any way to do this. I’ll have to be creative about how I do it so I don’t end up trying to dump 1-2M lines in a live console.
I’m not sure if there’s a way to do it on a live system, but if you can run it in a test environment you should be able to get a list via crash dump. The atom table is near the end of the crash dump format. You can create a crash dump via erlang:halt/1, but that will bring down the whole runtime system.