If two PUT requests are simultaneously made to the same key, the request with the latest time stamp wins. Buckets A bucket is a container for objects stored in Amazon S3. Every object in a bucket has exactly one key.
Until the deletion is fully propagated, Amazon S3 might list the deleted object. They are presented in the order you will most likely encounter them.
Every object is contained in a bucket. This section describes key concepts and terminology you need to understand to use Amazon S3 effectively. A process replaces an existing object and immediately attempts to read it.
For more information about object keys, see Object Keys.
For example, you cannot make the update of one key dependent on the update of another key unless you design this functionality into your application.
The following table describes the characteristics of eventually consistent read and consistent read. You can also configure a bucket so that every time an object is added to it, Amazon S3 generates a unique version ID and assigns it to the object. The caveat is that if you make a HEAD or GET request to the key name to find if the object exists before creating the object, Amazon S3 provides eventual consistency for read-after-write.
Keys A key is the unique identifier for an object within a bucket. Objects stored in a region never leave the region unless you explicitly transfer them to another region.
However, information about the changes must replicate across Amazon S3, which can take some time, and so you might observe the following behaviors: For example, in the URL http: For example, objects stored in the EU Ireland region never leave it.
You can also specify custom metadata at the time the object is stored. Until the change is fully propagated, the object might not appear in the list.
Until the change is fully propagated, Amazon S3 might return the prior data. You can configure buckets so that they are created in a specific region. Objects consist of object data and metadata. For more information, see Buckets and Regions.
Every object in Amazon S3 can be uniquely addressed through the combination of the web service endpoint, bucket name, key, and optionally, a version. For more information about buckets, see Working with Amazon S3 Buckets.Medieval Music (The Norton Introduction to Music History) [Richard H.
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