However, there are additional fees associated with API calls and the number of times objects are retrieved from the storage. S3 Infrequent Access is roughly half the price of S3 Standard Storage. The S3 objects are replicated in multiple availability zones in a region. For example, the price of the first 50TB/month is $0.023 per GB in US-East-1 region. The regular S3 is less expensive than that provided by block devices, except ephemeral storage options. The S3 standard provides a scalable/high throughput object store with high durability, availability and low latency. There are also multitudes of S3 storage solutions available in AWS. The price of GP2 is roughly two times the price of ST1 and with IO1 volumes incurring additional charges based on the provisioned IOPS. The cost of EFS is higher than the cost of EBS volumes because it provides a shared storage space from multiple EC2 instances.ĮBS cold HDD (SC1) is the most inexpensive option and the price of throughput-optimized EBS volumes (ST1) is roughly two times the price of SC1 volumes. This provides a common mechanism for sharing objects between multiple users. Multiple EC2 instances can mount the same EFS volume simultaneously. For storing large sequential data objects, ST1 can potentially provide good value. For normal usage, GP2 storage provides a good price/performance ratio. It provides persistence storage and the mount point can be moved across. EBS volumes can only be attached to one EC2 instance at any given time. The two categories for SSD based devices are general purpose GP2 and IOPS-optimized IO1. There are two types of HDD-based EBS volumes, regular cold HDD SC1 and throughput-optimized ST1. The two types of EBS volumes are spinning hard disk and SSD-based disk. The next category is the externally mounted EBS block devices. These are good candidates for storing temporary or intermediate objects from a permanent storage option. However, on the downside, the information stored in the ephemeral storage is lost as soon the underlying hardware of the VM changes (for example, by stopping, terminating and restarting the EC2 instance). Ephemeral storage can be mounted from the virtual machine and it does not cost any money to use ephemeral storage. The ephemeral storage options are associated with the physical server hosting the virtual machine. To recap, here is the list of storage options available in AWS: Block Storage: Since cost is one of the drivers in moving to the cloud, in this blog, I will focus on the cost factors and some typical use cases of the different storage options available in AWS. In part 1 and part 2 of my blog series on Amazon Web Services storage, I talked about various available storage options in AWS.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |