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How to Choose the Right AWS Storage Option for You?

How to Choose the Right AWS Storage Option for You

When we think about cloud providers, Amazon Web Services (AWS) is one of the first names to come up. As the leading cloud services vendor provides more than 100 different services on the SaaS model. This array of options may sometimes confuse the users when it comes to making the right choice for their cloud storage. 

In this article, I’ll cover the three most popular AWS services: Amazon Elastic Block Store (Amazon EBS), Amazon Simple Storage Service (Amazon S3), and Amazon Elastic File System (Amazon EFS), comparing their performance and pricing schemes to give you the information to decide which is the right storage option for you. 

Three Different AWS Storage Options 

Before getting into comparisons, let’s review the three options features and capabilities.  

Amazon S3

Amazon Simple Storage Service (Amazon S3) is a web-based, high-speed, scalable cloud storage offering for online storage and backup of data and applications on AWS. Offers static object storage for static web hosting, version management, archiving and big data analytics. 

S3 works by storing each object as a file with its metadata included and assigned an ID number. Which is used by applications to access the object. 

Some key features include: 

S3 comes in three storage classes: Standard, Infrequent Access and Glacier. 

Implementing lifecycle management policies can help optimize the data, moving it to colder tiers over time. 

Amazon Elastic File System (EFS)

EFS is a highly scalable file storage service provided by AWS, that unlike S3, uses 

NFSv4 protocol to enable a traditional hierarchical directory structure. EFS works by distributing the infrastructure deployed and managed by AWS, scaling the storage capacity to avoid performance bottleneck. 

This scalability provides elastic storage capacity to workloads running on Elastic Compute Cloud (EC2) instances, through an application programming interface (API) requests. It is useful for Big Data analytics, lift-and-shift enterprise applications, database backup where do you need low latency, high consistency and good throughput.

Amazon Elastic Block Store (EBS)

EBS is a cloud-based block storage system, that provides highly available block-level storage volumes for use with Amazon Elastic Compute Cloud (EC2) instances. It stores the data in blocks that can be attached to EC2 instances. The system allows you to keep data persistently, even after you shut down the attached EC2 instance by the use of EBS snapshots. 

However, Amazon EBS is not easy to scale, requiring attaching new volumes or increasing the size of a volume every time you need more storage. Therefore, if you use EBS capacity planning is critical to avoid becoming short of storage.

The current generation of EBS volumes includes: 

You can learn more about the functions of AWS EBS volumes here.

How to Choose the Right AWS Storage options for You (comparing EFS vs EBS vs S3) 

After that brief introduction, now it’s time to compare the AWS storage options. For that matter, we arranged this comparison table that covers the main aspects you should take into consideration when choosing the right storage solution: 


Final Considerations—Which One Should You Choose?

Regarding cost, Amazon S3 is no doubt the cheapest in terms of pure storage costs. S3 is suitable for a write-once, read-multiple-time approach, as it can be configured for access from anywhere. However, in terms of performance, EBS and EFS are superior to S3, with stronger throughput and the lowest latency.   

If you manage unpredictable workloads and need to rely on easy scalability, S3 could be a good choice. If, for example, if you manage a large relational database requiring block storage, S3 is a better choice. Ultimately, the option you choose will depend on your budget. But it should also take into account the needs of your organization. Also the use cases you intend for the storage solution.

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