EC2 Instance Types Flashcards
What is Amazon EC2?
Amazon Elastic Compute Cloud (EC2) is a web service that provides resizable compute capacity in the cloud. It is designed to make web-scale cloud computing easier for developers.
What are the main categories of EC2 instance types?
The main categories of EC2 instance types include General Purpose, Compute Optimized, Memory Optimized, Storage Optimized, and Accelerated Computing.
What are General Purpose instances suitable for?
General Purpose instances are suitable for applications that require a balance of compute, memory, and networking resources, and can be used for a wide variety of workloads.
What defines Compute Optimized instances?
Compute Optimized instances are designed for applications that benefit from high compute power, including batch processing, media transcoding, high-performance web servers, and high-performance computing (HPC).
What are Memory Optimized instances used for?
Memory Optimized instances are designed for workloads that process large datasets in memory, suitable for high-performance databases, distributed web scale in-memory caches, and big data analytics workloads.
What characterizes Storage Optimized instances?
Storage Optimized instances are designed for workloads that require high, sequential read and write access to very large datasets on local storage, suitable for distributed file systems, data warehousing, and high-frequency online transaction processing (OLTP) systems.
What is Accelerated Computing?
Accelerated Computing instances use hardware accelerators, or co-processors, such as GPU or FPGA, to perform functions, such as graphics processing or data pattern matching, more efficiently than software running on CPUs.
How do you choose the right EC2 instance type?
Choosing the right EC2 instance type involves evaluating the requirements of your application in terms of compute, memory, storage, and networking capacity. It’s essential to benchmark your application to identify which instance type provides the best performance and cost efficiency.
What is the benefit of EC2 instance types diversity?
The diversity of EC2 instance types allows users to tailor their environment to the specific needs of their applications, optimizing for performance and cost. This flexibility supports a wide range of applications, from web servers to machine learning models.
Can EC2 instance types be changed after they are launched?
Yes, EC2 instances can be resized after they are launched by either changing the instance type within the same family or moving to another instance type, provided that the new instance type is compatible with the instance’s configuration.
