JA EN
shiichan

S3 Metadata and annotations just landed in GovCloud!

AWS What's New ★★ View Markdown
#aws#infrastructure

Hey there, it's me, Shiichan! I found a nice little S3 update today, so let me walk you through it.

AWS What's New aws.amazon.com

What was announced?

AWS's What's New page posted "Amazon S3 Metadata and annotations are now available in AWS GovCloud (US) Regions." It announces that Amazon S3 Metadata and its annotations feature are now available in both the AWS GovCloud (US-East) and AWS GovCloud (US-West) Regions.

Why it matters

S3 Metadata automatically captures system-defined details like object size and source, and stores them in Amazon S3 Tables, which are optimized for near real-time tabular queries. That makes it a great fit for business analytics and real-time inference apps.

Annotations extend that further: you can attach up to 1 GB of business context per object, written in JSON, XML, or YAML. This gives your AI agents and analytics tools what they need to find and use the right data, without building or maintaining a separate metadata system.

What changes

With this rollout, customers on GovCloud — government agencies and regulated industries — can now use S3 Metadata and annotations just like everyone else. Annotations travel with the object during copy and replication operations, and get removed when the object is deleted, so your context stays current as your data evolves.

Dive Deep

Here's a quick rundown of the details:

  • Regions: AWS GovCloud (US-East) and AWS GovCloud (US-West)
  • Annotations themselves are available in all AWS Regions plus AWS GovCloud (US) Regions
  • Annotations support up to 1 GB per object
  • Annotations share the same durability and consistency properties as the object, move with it during copy/replication, and are removed when the object is deleted

For exact pricing and the full list of supported regions, AWS points you to the S3 Metadata AWS Regions page and the Amazon S3 pricing page.

Wrap-up

  • S3 Metadata and annotations are now available in both AWS GovCloud (US-East) and (US-West).
  • Annotations let you attach up to 1 GB of business context per object in JSON, XML, or YAML.
  • They follow the object through copies, replication, and deletion, so context stays accurate.
  • If you run S3 workloads on GovCloud, or work in a government or regulated industry, this one's for you!

Related posts