AWS Lambda announces durable functions for multi-step applications and AI workflows

AWS Lambda Durable Functions

AWS Lambda introduces durable functions, enabling developers to build reliable multi-step applications and AI workflows. These functions automatically checkpoint progress, suspend execution for up to one year, and recover from failures without additional infrastructure management or custom code.

Durable functions extend the Lambda programming model with new operations like "steps" and "waits" to checkpoint progress and pause execution without compute charges. The service manages state, error recovery, and task resumption, allowing developers to focus on business logic.

Key Features

• Automatic Checkpoints: Progress is automatically saved.
• Long-Running Tasks: Execution can be paused for up to one year.
• Failure Recovery: Recovers from failures without custom code.
• No Infrastructure Management: No need to manage additional infrastructure.

What to do

• Activate durable functions for new Lambda functions using AWS Lambda API, AWS Management Console, AWS CLI, CloudFormation, AWS SAM, AWS SDK, and AWS CDK.
• Visit the AWS Lambda Developer Guide for more information.
• Check AWS Lambda pricing for details.

Source: AWS release notes

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