Still, based on what you're describing it was MySQL in your case that was the bo...

takeda on July 25, 2017 | parent | context | favorite | on: Ask HN: What's your biggest struggle with Microser...

Still, based on what you're describing it was MySQL in your case that was the bottleneck. In that case you scale database, either by sharding or creating separate ones for different usecases. It is irrelevant to whether you use microservices or not.