Gartner Research

Picking the Right AWS EC2 Instance for Your Workload Migration

Published: 09 August 2018

ID: G00361319

Analyst(s): Nik Simpson


Technical professionals deploying cloud workloads to AWS must balance many factors (e.g., cost, performance and availability) when selecting EC2 instances. This guidance document provides a repeatable methodology for selecting efficient and cost-effective instances for each workload.

Table Of Contents

Problem Statement

The Gartner Approach

The Guidance Framework

  • Prework
    • AWS EC2 Instance Families
    • EC2 Payment Models
    • Storage
    • GPU and FPGA Options
    • Differences Between Data Center and AWS Virtualization Environments
    • Impact of Spectre and Meltdown Processor Bugs
    • Performance Monitoring Tools
    • Gartner Tools
  • Stage 1: Assessing the Application
    • System Configuration
    • Application Configuration
  • Stage 2: Find the EC2 Instance That Best Fits the Application
    • Decide Which Instance Family Will Offer the Closest Fit
    • Determining Storage Requirements
    • Decide Which Payment Model Offers the Lowest Cost
    • Instance Selection: Worked Example
  • Stage 3: Use Cloud Decisions to Get Pricing and Regional Availability

Risks and Pitfalls

  • Related Guidance

Gartner Recommended Reading

©2020 Gartner, Inc. and/or its affiliates. All rights reserved. Gartner is a registered trademark of Gartner, Inc. and its affiliates. This publication may not be reproduced or distributed in any form without Gartner’s prior written permission. It consists of the opinions of Gartner’s research organization, which should not be construed as statements of fact. While the information contained in this publication has been obtained from sources believed to be reliable, Gartner disclaims all warranties as to the accuracy, completeness or adequacy of such information. Although Gartner research may address legal and financial issues, Gartner does not provide legal or investment advice and its research should not be construed or used as such. Your access and use of this publication are governed by Gartner’s Usage Policy. Gartner prides itself on its reputation for independence and objectivity. Its research is produced independently by its research organization without input or influence from any third party. For further information, see Guiding Principles on Independence and Objectivity.

Already have a Gartner Account?

Become a client

Learn how to access this content as a Gartner client.