Which storage feature helps optimize costs in S3 by managing object transitions?

The storage feature that helps optimize costs in Amazon S3 by managing object transitions is S3 Lifecycle Rules. This feature allows you to define policies that automatically transition objects between different storage classes based on specified criteria, such as the age of the objects.

For instance, you can set a rule to move objects from the S3 Standard storage class to S3 Infrequent Access after a certain number of days, or to archive them to S3 Glacier for long-term storage. By automating these transitions, you reduce costs associated with storage by ensuring that less frequently accessed data is stored in a more cost-effective manner. This not only streamlines management but also ensures that you only pay for the storage you need.

In contrast, other features like S3 Event Notifications are designed for triggering actions in response to events, like uploading or deleting an object, rather than managing storage costs. S3 Batch Operations enable you to perform bulk operations on multiple objects but do not directly address cost optimization through storage transition. S3 Select allows you to retrieve a subset of data from within an object, which can reduce the amount of data transferred, but it does not manage transitions between storage classes. Each of these features serves specific functions but does not optimize costs through lifecycle management as