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Object Storage (Simple Storage)

Simple Storage is an Amazon S3-compatible Object Storage service — suited for static files, backups, media, logs and content distribution.

Basic concepts

ConceptMeaning
BucketThe "root folder" holding objects — the unit for policy and permission management
ObjectA file stored in a bucket — has data, a key (path) and metadata
PrefixThe leading part of an object key — acts like a "folder"
Access KeyAn Access Key ID + Secret Access Key pair used to authenticate against the S3 API
Sub userA secondary S3 identity (not a Portal login account) used to issue Access Keys with limited permissions
PolicyJSON defining who can do what with a bucket/object