Notes on VPC with Lambda

Notes

  • If you have Lambda inside VPC, that involves network interface (ENI) creation and attachment after coldstart.
  • "Putting a Lambda in a VPC" is nothing else than just creating an ENI in a customer configured VPC and attaching it to a Lambda that still lives in the AWS internal VPC.
  • As per some performance measurements, Size of your lambda container didn't really matter in terms of cold start!!
  • It is recommended to deploy different zips for each lambda.!!!