Advanced Amazon S3 Flashcards
What is an S3 lifecycle transition action?
Moves the object to another storage class after a period of time
What is an S3 lifecycle expiration actions?
Deletes the object after a certain amount of time
What is S3 analytics used for?
Runs on top of your S3 bucket to help you decide when to transition objects to the right storage class
What is a requester pays bucket?
A bucket where the requestor (as opposed to normally, where it’s the owner) pays to access the bucket
Why use EventBridge with S3 events?
Advanced filtering, multiple destinations, archive, event replay etc.
What is the limit of prefixes in a bucket?
There aren’t any
At what size is multi-part upload recommended?
> 100MB files
At what size does multi-part upload get forced to be used?
5GB
Can you use S3 transfer acceleration and multi-part upload at once?
Yes
What is S3 batch operations?
A service that lets the user perform bulk operations on S3 objects with a single request, e.g. encrypting unencrypted objects
What must be specified for an S3 batch job?
The objects involved, the action to perform
What is S3 batch operations convenient?
Manages retries, sends completion notifications, generates reports and other features
What is S3 storage lens?
A feature that allows users to understand, analyse, and optimise storage across your whole AWS organisation
Why is S3 storage lens useful?
Aggregates across accounts, regions, buckets.
Helps find anomalies, cost inefficiencies and apply data protection best practices
Are the storage lens metrics free?
28 are, and the metric collection data is available for 13 days.
Paid tier allows for the same metrics as well as additional ones to be kept for 15 months
