Question

a company is using aws fargate to run a batch job whenever an object is uploaded to an amazon s3 bucket. the minimum ecs task count is initially set to 1 to save on costs and should only be increased based on new objects uploaded to the s3 bucket.

Answer 1

The suitable option to implement with the LEAST amount of effort is

• Set up a CloudWatch Event rule to detect S3 object PUT operations and set the target to the ECS cluster with the increased number of tasks. Create another rule to detect S3 DELETE operations and set the target to the ECS Cluster with 1 as the Task count.

What are Amazon S3 buckets?

A bucket is know to be a kind of a cup or a container that is known to be made for objects saved in Amazon S3.

Note that based on the above firm's work, The suitable option to implement with the LEAST amount of effort is

• Set up a CloudWatch Event rule to detect S3 object PUT operations and set the target to the ECS cluster with the increased number of tasks. Create another rule to detect S3 DELETE operations and set the target to the ECS Cluster with 1 as the Task count.

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An application is hosted in an AWS Fargate cluster that runs a batch job whenever an object is loaded on an Amazon S3 bucket. The minimum number of ECS Tasks is initially set to 1 to save on costs, and it will only increase the task count based on the new objects uploaded on the S3 bucket. Once processing is done, the bucket becomes empty and the ECS Task count should be back to 1.

Which is the most suitable option to implement with the LEAST amount of effort?

Set up a CloudWatch Event rule to detect S3 object PUT operations and set the target to a Lambda function that will run Amazon ECS API command to increase the number of tasks on ECS. Create another rule to detect S3 DELETE operations and run the Lambda function to reduce the number of ECS tasks.

Set up a CloudWatch Event rule to detect S3 object PUT operations and set the target to the ECS cluster with the increased number of tasks. Create another rule to detect S3 DELETE operations and set the target to the ECS Cluster with 1 as the Task count.

Set up an alarm in CloudWatch to monitor CloudTrail since the S3 object-level operations are recorded on CloudTrail. Create two Lambda functions for increasing/decreasing the ECS task count. Set these as respective targets for the CloudWatch Alarm depending on the S3 event.

Set up an alarm in CloudWatch to monitor CloudTrail since this S3 object-level operations are recorded on CloudTrail. Set two alarm actions to update ECS task count to scale-out/scale-in depending on the S3 event.