You can easily write and invoke Lambda functions for processing objects stored in an S3 bucket. The functions can be triggered using a set of notification configurations which trigger a corresponding Lambda function into action. The following is a list of few such notification configurations that can be used for triggering functions on S3 buckets:
- When an object is created in a bucket using either put, post, copy or a completemultipartupload operation
- When an object is deleted from a bucket using the delete operation
- When a bucket set with ReducedRedundancy storage option loses an object
How does it all work? Quite simple actually. When we first configure the event source mapping for a particular S3 bucket, we initially ...
