![]() Imagine the object is needed now after three months and is accessed once a week for the following six months. For this object, S3 Intelligent-Tiering would shift it to the infrequent access tier after its first month to save on storage costs. In fact, it isn’t accessed at all for the first three months of its life. In contrast, the cool object is not accessed daily at first. You will pay slightly more for storage on this object, but you won’t have to pay the hefty cost for access that comes with the infrequent access tier. Because of this, S3 Intelligent-Tiering will keep it in the frequent access storage tier. The hot object is accessed daily over the course of a year. Imagine you have three objects in S3 - a hot object, a cool object, and a cold object. Let’s see how this works with an example. If the object is then accessed after being moved to infrequent access, AWS will move it back to the frequent access storage class for cheaper subsequent accesses. If your object hasn’t been accessed in 30 days, AWS will move it to the infrequent access storage tier. If you put objects in the S3 Intelligent-Tiering storage class, AWS will monitor and move your data on a per-object level to the proper storage tier. Here’s where S3 Intelligent-Tiering comes in. This can result in unnecessary storage or access bills. Perhaps some objects are accessed frequently for months after creation, while others are rarely accessed after the first few days. Lifecycle policies apply to all objects in a given S3 prefix, but the access patterns for objects in a prefix can vary widely. Object lifecycle policies are helpful, but they’re a blunt instrument. Because of this, users use object lifecycle policies to move objects from one tier, such as S3 Standard, to a different tier, such as S3 Standard-IA, after a specified amount of time. Often, your objects will be accessed less frequently the older they get. The storage cost is much cheaper than S3 Standard - almost half the price - but you are charged more heavily for accessing your objects. The storage cost for the objects is fairly high, but there is a very low charge for accessing the objects.įurther reading Amazon S3 Pricing ExplainedĬonversely, S3 Standard-IA is for objects which are not expected to be accessed frequently. S3 Standard is for objects which are accessed frequently. Both are designed to provide rapid access to your objects when requested. Each storage class has a different cost structure and guarantees around how quickly you can access your data.įurther reading S3 Storage Classes Explainedįor example, two of the more popular storage tiers are S3 Standard and S3 Standard Infrequent Access (or S3 Standard-IA). S3 provides different levels of availability and reliability through its different storage classes. It is used for a wide variety of storage needs, including saving server backups, serving static files for web pages, or keeping long-term archives for compliance purposes. Before we discuss what S3 Intelligent-Tiering is, let’s start with some background on S3 storage classes so you know why S3 Intelligent-Tiering is useful.Īmazon S3 is an object-based storage service provided by Amazon Web Services (AWS).
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