Comment by masklinn

The good news are that Go's GC has basically no tunables, so you wouldn't have spent weeks on that. The bad news is that it has basically no tunables so if it's a tuning issue you're either fucked or have to put "tuning" hacks right into the code if you find any that works (e.g. twitch's "memory ballast" to avoid overly aggressive GC runs: https://blog.twitch.tv/en/2019/04/10/go-memory-ballast-how-i...)