Lambda@Edge

Question 1

What does Lambda@Edge provide?

Answer 1

Lightweight Lambda capability at Edge Locations.

Question 2

In what Zone does Lambda@Edge run?

Answer 2

AWS Public Zone.

Question 3

What are the limits on Lambda@Edge between the Viewer and the Edge Location?

Answer 3

128 MB of memory
5 seconds of execution time

Question 4

What are the limits on Lambda@Edge between the Edge Location and the Origin

Answer 4

Normal Lambda MB of memory
30 seconds of execution time

Question 5

What can you use Lambda@Edge for?

Answer 5

1. A/B testing on the Viewer request
2. Migration between S3 Origins on the Origin request
3. Different Objects based on device - Origin request
4. Content by Country - Origin request