Regardless of how the code is written, the 'at scale' system will need to physically resemble the microservice model. Once you have tens, hundreds, or more ser

Regardless of how the code is written, the 'at scale' system will need to physically resemble the microservice model. Once you have tens, hundreds, or more servers you are forced to group things by service. The alternative would cause massive data consistency delays from the sharding required to reduce network traffic.