Unlocking new serverless use cases with EFS and Lambda

AWS Lambda has added a new feature that allows integration with Amazon Elastic File System (EFS) natively. This enables the use of EFS for storing and managing large files, which was previously limited by the 512MB /tmp directory storage limit. The EFS integration provides several benefits, including improved performance, scalability, and security. However, it also introduces some caveats, such as high latency on file operations, which may be a concern for latency-sensitive applications. To mitigate this, Provisioned Concurrency can be used to initialize the Lambda function module before putting it into active use. The feature opens up new use cases for machine learning workloads and provides a more cost-efficient alternative to S3 in some scenarios. Despite its drawbacks, the EFS integration with Lambda is expected to unlock many use cases for serverless applications.

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