Life Cycle Rule to move a subfolder of S3 Bucket

Question

We need to move a subfolder of an S3 Bucket to Glacier Instant Retrieval and was hoping to confirm if i create a lifecycle rule which includes prefix *foldername*/, this will only move that folder specifically?

Accepted Answer

It will apply to objects within the key name prefix `foldername/`
[See Example 1 ](https://docs.aws.amazon.com/AmazonS3/latest/userguide/lifecycle-configuration-examples.html)

Answer

S3 is an object store. Every object in S3 has a unique key which comprises the bucket name, the prefix hierarchy and the object name. So there isn't really a folder structure like in a file system in S3. The prefix hierarchy may make it feel like you actually have files organized into folders. On the UI, you do see folders but those folders actually map to prefixes. So to answer your question, you don't need to map prefixes to folders.

Life Cycle Rule to move a subfolder of S3 Bucket

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