AWS CLOUD

DNS/Route 53 & Lambda

DNS/Route 53:

1. Route 53 Weighted routing policy is a way to add elasticity to an application deployments.

Lambda:

1. AWS Lambda function memory allocation range is a minimum of 128 MB and a maximum of 1536 MB recently increased to 300K in 11/2017).
2. AWS Lambda ephemeral disk (temporary) size default is 512 MB.
3. AWS Lambda maximum execution duration for a function is 300 sec (5 minutes).
4. AWS Lambda maximum request payload sire is 6 MB for synchronous invocation.
5. AWS Lambda maximum request payload size is 128KB for asynchronous invocation.
6. AWS Lambda maximum concurrent invocations per region are 5000.