An AWS EC2 or Amazon Elastic Compute Cloud is a web service that helps to make web scaling and cloud computing much easier. The EC2 instance is a virtual server that helps to run apps on AWS infra. In simple terms, the AWS EC2 instance type that we choose governs the hardware specification of the cloud-hosted system that the user will use for running the AWS EC2 instance.
In this blog, we will discuss in detail those AWS EC2 Instances types that a user can choose from.
AWS EC2 instance types
Generally, AWS EC2 instance types provide flexibility and scalability with a variety of computing, memory, and storage specifications within each instance family. AWS EC2 instances are broadly classified on the basis of budget and workload requirements.
Among the most popular and largely used AWS EC2 instance types, the General Purpose instance is a good choice for beginners. The general-purpose instances are mostly useful in services relating to web servers, mobile or game development environments, or apps. This is also useful for enterprise-level applications such as ERP or CRM.
General-purpose instances
Moreover, General-Purpose instances have the following types. The below details of the various general-purpose instances available that the user can choose from:
Instance A1:
These are the ARM-based EC2 instance types compared with others that use either Intel or AMD processor. Besides, this type of instance is best suitable for web servers and container-based microservices. It is best suitable for apps to run on open source tools such as Java or Python.
Instance M5:
The M5 instance type is the next-gen general-purpose instance that includes the Intel processor type- Xeon Platinum 8175, speed-3.1Ghz. With the cloud computing power, these instances provide a computing balance, memory, and power of networking. This type of instance is best suitable for small-to-medium size databases, data processing jobs. It is also useful as a back-end server for business apps like SAP or SharePoint.
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T3/ T3a instance:
This type is available with burstable instance types. The T3 and T3a are the respective GP instance types include Intel and AMD processors. These instance types are the best choice in the sense of a cheaper and less powerful option than the M5 fixed instance. Moreover, these are useful for long-lasting app instance types like websites, web apps, and code repositories in common.
Compute Optimized instances
The compute-optimized instances types are useful during intensive workloads. This could give some benefit from processors with huge computing power. Moreover, these instances deliver high performance at a lesser or cost-effective price. They are generally useful in application types like web servers and scientific modeling.
The following are the various types of Compute Optimize instances:-
There are two different types of this kind of instances that a user can choose from:
C5/ C5n instance
The C5 types of instances are best suitable for applications like online gaming, scientific modeling, media converting, etc. All these require raw computing power. C5 instance performs on the processor type- Intel Xeon Platinum and has records of nearly 25% speed enhancement comparing to the previous C4 instance type. Using the C5d instance type, users can physically connect the SSD device to the hosting server.
C6/ C6g instance
This type of compute-optimized instance includes the AWS G 2 series of processors. Moreover, this is best suitable for highly intensive and advanced level applications like high-performance calculations, video encoding, ad serving, etc. By using the C6g instance type, users can get a nearly 40% enhancement in price-performance as compared to the previous instance type.
Memory-optimized Instances
The memory-optimized instance types are useful for memory-intensive workloads to require to process big datasets at acceleration. Ex: of memory-intensive apps are Big Data analytics or those run on Spark or Hadoop.
There are again various types of Memory Optimized instances also where users can choose from their tasks.
R5 instance
The instance types of series R5 are best suitable for workloads with high memory usage like high-performance databases, large in-memory cache apps& real-time big data analytics, etc. Out of these, R5 and R5a include Intel and AMD processors respectively. They also get an advantage from the AWS Nitro system that gives easy access to computing and server memory resources.
As compared to the previous type instance, R5 instances provide 5% more memory for each vCPU.
R6g instance
This mainly includes the AWS Graviton2 processor. The R6 instances are best suitable for high memory workloads like open-source databases (i.e, MySQL) and in-memory caching (ex: KeyDB). Moreover, within the R6gd instance, the local NVME-based SSD drive directly connects to the host server. Besides, it allows for block-level storage.
X1/ X1e instance
The X1 instance includes the processor type- Intel Xeon. These types of memory-optimized instances are built to provide high computational memory for memory-intensive apps like SAP HANA, Spark, and for high-performance computing. Among other AWS EC2 instances, the X1e type provides the highest ratio in memory-to-compute at the lowest price.
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Accelerated Computing instances
Accelerated Computing type of instances uses additional hardware accelerators such as Graphics Processing Units and Field Programmable Gate Arrays. Moreover, they allow higher throughput in compute-intensive apps in a parallel mode.
The following details are of the different types of accelerated computing instances to choose:
P2 instance
This design is useful for general-purpose GPU calculating applications. Moreover, P2 instances include the processor type Intel Xeon and features high-performances. These instances provide potentials like high-execution networking and double-precision floating-point calculations. Besides, it makes it better for deep learning apps and high-execution databases.
P3 instance
It is the next-gen GPU-based instance and it uses up to 8 NVIDIA Tesla GPUs. Besides, it includes a high-frequency processor type- Intel Xeon. The type of instance supports NVLink for peer-based GPU communications well.
Inf1 instance
In AWS EC2 Inf1 instance types include Intel Xeon 2nd, gen processors. It allows low latency and cost-effective executions.
G3 instance
These are built using the NVIDIA Tesla M60 GPU. Furthermore, G3 instances provide a high execution and cost-effective solution for graphic-intensive apps through DirectX or OpenGL.
G4 instance
This instance is powered by a 2nd gen Intel Xeon Scalable processor. The G4 instances are best suitable for speeding up ML inferences and graphics-intensive workloads.
F1 instance
The type F1 instance offers hardware speeding up by using FPGAs. This is included with the high-frequency processor called Intel Xeon. Moreover, the F1 instance has NVMe SSD storage and support for improved networking.
Moreover, there are one last instance type name Storage type instances.
Storage Optimized instances
The storage optimized instances are useful for applications having high storage needs especially with sequential read and write applications like log processing.
The following are the different storage optimized instances.
D2 instance
The D2 instance is a storage-optimized instance type with high-density storage. This comes with high sequential read/write for big datasets – including large Hadoop (HDFS) environments. These instance types are built for applications like data warehousing, MapReduce, and Hadoop computing, tasks.
H1 instance
Comparing to D2 instances, H1 instances offer very low storage capacity with a max space of 16TB HDD.
l3/ l3en instance
The l3 instance type offers SSD storage with low latency comparing to HDD-based instances.
AWS EC2 components
There are many AWS EC2 components available for service in which the user can use their features. The following are the different types of components of AWS EC2.
· Instances:
The instances include various types. Such as general instances, launch templates, spot instances, dedicated instances, and on-demand instances, reserved, and dedicated host.
· Images
The image component types include AMI and Bundle tasks.
· Elastic Block Storage
This AWS EC2 component includes volumes, snapshots, and lifecycle management.
· Network and Security
It includes Elastic IP, security groups, key pairs, network interface, IAM, etc.
· Load Balancing
The component type of AWS EC2 includes load balancers and target groups.
Moreover, there are auto-scaling, monitoring, etc., component types available.
Benefits of using Amazon EC2 Instances
AWS EC2 (s) simple and easy web service interface enables the users to get and configure capability with lesser friction. It provides users with full control of their computing resources and helps them run on Amazon’s proven computing ecosystem. Amazon EC2 also minimizes the time required to obtain and boot new server instances to minutes. It also allows users to scale their capacity much faster, both up and down, as their computing needs change. The following are the benefits of using Amazon or AWS EC2.
Elastic Web-Scale Computing
Amazon EC2 enables its users to increase or decrease capacity within minutes and not in hours or days. Moreover, users can begin one, 100s, or even 1000s of server instances in parallel. Certainly, because this is controlled by using web service APIs, the user’s application can scale on automation itself up & down depending upon its needs.
Completely Controlled
Users have full control over their different instances. Further, users have root access to each instance, and they also can interact with them as they would with any system. They can stop the instance while recovering the data on their boot partition. Then can later restart the same instance with web service APIs. These instances may be rebooted remotely with APIs. Users also have access to the console output of their instances.
Flexible hosting services on cloud
The users have a choice of different instance types, OS, and software packages, etc. Amazon or AWS EC2 allows users to choose a memory configuration, CPU, instance storage, etc. And also they select the boot partition size that is optimal for their selection of operating system and app. Example: - Users selecting operating systems include several Linux distributions and MS Windows Server.
Designed to use with other AWS
The Amazon EC2 works in coexistence with Amazon Simple Storage Service (Amazon S3), Amazon Relational Database Service or Amazon RDS, and Amazon Simple Queue Service or Amazon SQS to provide a complete solution for computing, query processing, and storage across a distinct range of applications.
Reliable
Amazon EC2 or AWS EC2 offers a highly reliable ecosystem for starting replacement instances speedily and predictably. Moreover, the service runs under Amazon’s proven network structure and data centers.
Secure
An Amazon EC2 works in coincidence with Amazon VPC to provide security and faster networking functions for the user's computing resources. User’s computing instances are located within a VPC with an IP range that the user specifies. Moreover, the user has to decide which instances are revealed to the internet and which will remain private.
- The security groups and networks ACLs allow users to control inbound and outbound network access to and through their instances.
- Moreover, users can provision their EC2 resources as Committed Instances. These instances type are Amazon EC2 Instances that run on hardware dedicated to a single customer for additional separation.
- In case users don’t have a default VPC, then they must build a VPC. Later, they can launch instances into that VPC to usefully advanced networking features like private subnets, network ACLs, outbound security group filters, and Dedicated Instances.
Inexpensive
The Amazon EC2 passes on the financial benefits of Amazon’s scale to users. Users pay a very low price for the computing capacity they actually consume.
Easy to start
It provides to get started quickly with Amazon EC2 by visiting the AWS Management Console and the option to choose pre-configured software on AMIs. Now, users can deploy this software to AWS EC2 through the EC2 console much faster.
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Amazon EC2 features
There are various powerful features of AWS EC2 include the following:-
Amazon- EBS Elastic Block Store
Amazon Elastic Block Store offers non-stop storage for AWS EC2 instances. Moreover, Amazon EBS amounts are network-connected and carry on individually from the life of an instance. The Amazon EBS measures are highly available and highly reliable which can be leveraged as an Amazon EC2 instance’s boot partition or connected to a running Amazon EC2 instance as a principle block device. While using it as a boot partition, Amazon EC2 instances can be stopped and restarted later. Moreover, it enables us to only pay for the storage resources used while managing the instance’s status.
EBS optimized instances
To get an additional less and hourly fee, consumers can launch selected Amazon EC2 instance types as EBS-optimized instances. The EBS-optimized instances deliver exclusive throughput between AWS EC2 and Amazon EBS. It includes the options between 500 and 14k Mbps depending on the instance type used.
Optimized CPU Configurations
The CPU’s optimized feature provides users greater control of their Amazon EC2 instances on two fronts. In the first one, the user can mention a custom number of vCPUs while launching the latest instances to save on vCPU-based licensing fees.
Elastic IP-Addresses
The Elastic IP-addresses are steady IP add builds for dynamic cloud computing. An Elastic IP address is related to users' accounts, not a specific instance and the user controls that address until he selects to explicitly release it.
Amazon Virtual Private Cloud
Amazon VPC lets users providing a logically outlying section of the Amazon Web Services (AWS) Cloud where users can launch AWS resources within a virtual network that they describe.
Amazon CloudWatch
Amazon CloudWatch is a kind of web service that provides observation for AWS cloud resources and apps, starting with AWS EC2. Moreover, it provides users with visibility into resource utilization, operational execution, and overall demand patterns, etc. It also includes metrics like CPU usage, disk reads and writes, and network traffic.
Auto Scaling
Auto Scaling enables users to automatically enhance their Amazon EC2 capability up or down with relevant to conditions they define.
High-Performance Computing Clusters
Customers with difficult calculative workloads such as tightly linked parallel processes, or with apps sensitive to network execution, can achieve the same high compute and network performance provided by custom-built structures while getting benefits from the elasticity, flexibility, and price benefits of AWS EC2.
Enhanced Networking
Enhanced Networking enables users to get notably higher packet per second (PPS) execution, lower network nervousness, and slower latencies.
Auto Recovery
Auto recovery is an Amazon EC2 feature that is built to improve instance availability. Users can automatically recover supported instances when machine impairment is noticed.
Summing Up
Depending on the workload and application needs, users can select from the various Amazon EC2 instance types that this blog explains in detail. To serve different workloads, the Amazon EC2 platform keeps expanding its existing instance types with the latest releases. Thus, I hope the above details gave you an idea of different types of AWS EC2 instances and their use. Get more knowledge on these skills through AWS Online Training.