Scaling Systems: Bigger Machine or More Machines?

What is Scalability? The ability to handle more requests by buying a bigger machine or buying more machines is called scalability. Vertical Scaling Vertical scaling refers to using a bigger machine and adding more power (like CPU, RAM, network bandwidth or storage) to handle requests much faster. For example, let’s say your current system has an 8-core server capacity limit. You can upgrade it to a 32-core server with faster SSD storage. Pros It is easier to implement. Upgrading hardware is easi