![]() ![]() ![]() These applications automatically and immediately benefit from strong read-after-write consistency. High-performance computing workloads also benefit in that when an object is overwritten and then read many times simultaneously, strong read-after-write consistency provides assurance that the latest write is read across all reads. Strong read-after-write consistency helps when you need to immediately read an object after a write for example, when you often read and list immediately after writing objects. Q: Why does strong read-after-write consistency help me? S3 also provides strong consistency for list operations, so after a write, you can immediately perform a listing of the objects in a bucket with any changes reflected. Q: What is the consistency model for Amazon S3?Īmazon S3 delivers strong read-after-write consistency automatically, without changes to performance or availability, without sacrificing regional isolation for applications, and at no additional cost.Īfter a successful write of a new object or an overwrite of an existing object, any subsequent read request immediately receives the latest version of the object.
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