Google Compute Engine | Google App Engine |
Compute Engine delivers configurable virtual machines running in Google’s data centers with access to high-performance networking infrastructure and block storage solutions. | App Engine is a fully managed, serverless platform for developing and hosting web applications at scale. |
Delivered as Infrastructure-as-a-Service (IaaS) | Delivered as Platform-as-a-Service (PaaS) |
Supported Languages: Any | Supported Languages: Go, Python, Java, Node.js, PHP, Ruby (.Net and Custom runtimes for Flexible Environment) |
A machine type is a set of virtualized hardware resources available to a virtual machine (VM) instance, including the system memory size, virtual CPU (vCPU) count, and persistent disk limits. In Compute Engine, machine types are grouped and curated by families for different workloads. You can choose from general-purpose, memory-optimized, and compute-optimized families. | You can run your applications in App Engine using the flexible environment or standard environment. You can also choose to simultaneously use both environments for your application and allow your services to take advantage of each environment’s benefits. |
You can create a collection of virtual instances and manage them as a single entity by creating instance groups. Instance groups can be managed instance groups (MIGs) or unmanaged instance groups. | Instances are the basic building blocks of App Engine, providing all the resources needed to successfully host your application. App Engine can automatically create and shut down instances as traffic fluctuates, or you can specify the number of instances to run regardless of the amount of traffic. |
Compute Engine offers autoscaling to automatically add or remove VM instances from a managed instance group based on increases or decreases in load. Autoscaling lets your apps gracefully handle increases in traffic, and it reduces cost when the need for resources is lower. | You can specify what type of scaling you want to implement by the following -Basic Scaling-Automatic Scaling-Manual Scaling- App Engine can scale down to 0 instances when no one is using your application. |
General Workloads, VM migration to Compute Engine, Genomics data processing, BYOL or use license-included images | Modern web applications, Scalable mobile back ends |
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