Definition
Instance configuration refers to the specific settings and resources assigned to a virtual machine or server instance within a cloud computing environment. This includes details like the operating system, CPU cores, RAM, storage capacity, and network settings. Properly configuring an instance ensures it meets the performance and operational requirements of the applications it will host. For example, a web server instance might require more RAM and faster storage than a simple database instance. Understanding instance configuration is crucial for optimizing costs and performance, preventing issues like underprovisioning or overspending. This concept is frequently assessed in cloud-focused certifications such as AWS Certified Solutions Architect Associate.