A company is using Amazon S3 to store large video files. They want to process these videos using AWS Elemental MediaConvert. The processing should start automatically as soon as a video is uploaded. <br/><br/>Which architecture provides the LEAST operational overhead?

Answer options:

Configure S3 Event Notifications to trigger an AWS Lambda function that submits a job to MediaConvert.

Use Amazon EventBridge to route S3 PutObject events to an Amazon EC2 instance that starts the MediaConvert job.

Configure MediaConvert to continuously poll the S3 bucket for new files.

Use AWS Step Functions to monitor the S3 bucket and trigger MediaConvert.

How to approach this question

Look for the serverless event-driven pattern.

Full Answer

A.Configure S3 Event Notifications to trigger an AWS Lambda function that submits a job to MediaConvert.✓ Correct

Configure S3 Event Notifications to trigger an AWS Lambda function that submits a job to MediaConvert.

Using S3 Event Notifications to trigger an AWS Lambda function is the standard, lowest-overhead way to react to S3 uploads. The Lambda function only needs a few lines of code to call the MediaConvert API and start the processing job.

Common mistakes

Introducing EC2 instances into an otherwise serverless workflow.

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