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Amazon CloudFront
Developer Guide (API Version 2016-09-29)

Adding, Removing, or Replacing Objects in a Distribution

For information about adding objects to a distribution, see Adding Objects that You Want CloudFront to Distribute.

When you replace objects in your distribution, we recommend that you use versioned object names. For more information, see Updating Existing Objects Using Versioned Object Names. You can also replace objects with objects that have the same name. See Updating Existing Objects Using the Same Object Names. Regardless of how you choose to replace objects in your distribution, we recommend that you specify when objects should be removed from the CloudFront cache. For more information, see Specifying How Long Objects Stay in a CloudFront Edge Cache (Expiration).

If you need to quickly remove objects from a distribution, you can invalidate them. For more information, see Invalidating Objects (Web Distributions Only).