7/17/2023 0 Comments Upgraded ram optimizer![]() CPU Architecture is the same – there is limited support for 32 bit AMIs, Arm processors etc – you cannot switch from an Intel CPU instance to an AMD CPU instance, for example.Virtualization type is the same – PV (paravirtual) or HVM (Hardware virtual machine) – EC2 uses both virtualization types and it is not possible to change an instance from one type to the other.If you decide that you need to change instance type for performance or cost management reasons, you can simply resize it to another instance type as long as: Migrate from previous generation to current generation instance type – AWS frequently update their instance families, and often newer generation instances offer higher performance at a lower cost. ![]() Change of workload type – if the workload on the EC2 instance has changed from, say, CPU instensive to RAM intensive, it may be more efficient to change to a different instance family more suited to the new workload.Decrease resources – perhaps you want to rightsize for cost optimization purposes by removing any underutilized resources.Increase resources – perhaps you need more CPU, RAM or network throughput due to increased application demand, which hopefully is a good thing!.Here are some of the most common reasons to change instance type: Want to know more about EC2 and all the different instance types? Read this article first: AWS EC2 – Everything You Need To Know About EC2 Instances Why Change EC2 instance type? With over 275 instance configurations – based on CPU, RAM, storage type and network performance – users need to evaluate their important metrics and monitor performance of the instance specification to ensure best efficiency. Or, you can go straight to the step-by-step guide to upgrade or resize your EC2 instance type.ĮC2, or Elastic Compute Cloud, is Amazon Web Services IaaS (Infrastructure as a Service) offering – essentially it is a service for running virtual machines in the AWS cloud, where developers can upgrade or change their specification, or ‘instance type’, according to current usage. In this post, Karl covers the pre-requisites for changing AWS EC2 instance types, about EBS and store backed instances, and how to choose the best instance type for your requirements. There are a number of reasons why you may wish to change an EC2 instance running in AWS.
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