Robert Hanuschke

Very slow parallel S3 GetObjectCommand executions (maxSockets)

33

## Describe the bug Executing many parallel S3 GetObjectCommand is extremely slow in direct comparison to v2 of the sdk at best, suspected of breaking Lambda executions at worst. ##...

Fixes #1798 New rule for "SQS queue visibility timeout of Lambda Event Source Mapping is at least 6 times timeout of Lambda function". Helps prevent configurations resulting in duplicate processing...

### Description Recommendation in the [SQS docs](https://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/sqs-configure-lambda-function-trigger.html): > To allow your function time to process each batch of records, set the source queue's visibility timeout to at least six times...