Within its role as a shared file storage service for multiple EC2 instances, EFS provides many benefits: File storage is fast and accessible, but it doesn’t offer the increased potential for complex queries that object storage does (more on that in the S3 section). File storage is the system you’ll likely be most familiar with, as it’s how files are stored in the hard drive on your computer. What Kind of Storage Is EFSĮFS is a file storage system. EFS can grow or shrink according to demand, with more and more files being added without disturbing your application or having to provision a new infrastructure. Unlike EBS, EFS can be mounted by multiple EC2 instances, meaning many virtual machines may store files within an EFS instance.īut it’s main feature is its scalability. EFS: Scalable File Storage for Multiple EC2 Instances So when you need a high-performance storage service for a single instance, use EBS. With EBS encryption, there’s no need to worry about key management, as EBS handles that for you.ĮBS’s use case is more easily understood than the other two services discussed.Highly available – at 99.99% availability.Easy data backup and restoration – via point-in-time volume snapshots, EBS ensures your data is well protected.Low-latency performance – EBS boasts 4,000 I/0 actions, making it highly performant.Within its role as a per-EC2 instance service, EBS has a range of benefits. This system offers some performance advantages over traditional storage, and can generally offer lower latency. What Kind of Storage Is EBS?ĮBS is a block storage service, which means all data within EBS is stored in equally sized blocks. Exactly like your desktop and its own physical hard drive. This is because EBS is really much more like a hard drive in a traditional computer.Įach EBS instance is paired with a VM, for which it acts as the storage instance. EBS: High Performance, per Instance Block StorageĮBS is the only one of these three which is not accessible to multiple EC2 instances. It all depends on your use case, but the good news is that these three services are generally different enough from each other that, once you’ve established your needs, and you understand what situations each one is most suited to, picking one over the others is easy. AWS offers a range of storage solutions, but for many users with typical storage needs, the decision comes down to these three services: EBS, EFS, or S3.
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