AWS. Applications react to events, and Amazon runs the server and dynamically manages the allocation of resources. Node and Python are the leading languages for Lambda: • Node: 67.6% • Python: 26.4% • Others: 6% (*) Source: epsagon.com AWS Lambda
an Amazon SQS message to the subscribed queue. • Amazon SQS notiﬁes AWS Lambda (hey, wake up!) • AWS Lambda polls the SQS queue and invokes the Lambda function synchronously with an event that contains queue messages. • The Lambda function (or handler) reads messages in batches and invokes your function once for each batch.
set them up as desired, hibernate them, and then bring them back to life when needed. The hibernation process stores the in-memory state of the instance, along with its private and elastic IP addresses, allowing it to pick up exactly where it left off.
Lambda stack using CloudFormation templates. ./aws-stack-builder.sh -c create-deploy -t ec2-compute-pipeline -b ec2-clay -p ps0001 -y -L all The script is responsible for: • Creating an SQS Standard Queue • Conﬁguring the SQS queue to trigger an AWS Lambda function • Creating an SNS topic • Adding an SNS Subscription Filter Policy • Subscribing the SQS queue to an SNS topic