Distributed
← Data modeling & storage

Lesson 06.6

Object vs block storage

Object storage keeps whole blobs behind durable keys and metadata, while block storage exposes a low-latency disk-like device for filesystems, databases, and in-place updates.

Immutable media shared through a CDN

Ava uploads large cookie photos. People read whole pictures, and the shop does not change bytes in the middle of a picture.

In this lesson you'll

  1. 1Follow one run and learn how to read the picture
  2. 2Predict what changes before revealing the result
  3. 3Compare the choices and help Ava get a durable CDN-ready object without too much waiting