S3 Flashcards
Can you make customers pay for downloading data from S3?
Yes, but for billing purposes, the consumers need to have a AWS account to have consumers pay for data retrieval from S3.
How do torrents work? Does S3 support torrents?
Torrent network is a peer to peer network used for file transfer. Any torrent provider such as bit torrent provides a web server, client and a tracker application to track where various copies of the file exist in a swarm.
Yes, S3 support file transfer to torrent network, that way files don’t have to be dowloaded from S3, eventually helps reduce costs for the content owner.
What is the maximum size of S3 object?
5TB
The largest object that can be uploaded in a single PUT is…
5GB
For objects larger than 100 megabytes, customers should consider using the _______ capability.
Multipart Upload
Split files
aws s3api create-multipart-upload –bucket exampleawsbucket –key large_test_file
aws s3api upload-part –bucket exampleawsbucket –key large_test_file –part-number 1 –body large_test_file.001 –upload-id
aws s3api list-parts –bucket exampleawsbucket –key large_test_file –upload-id
aws s3api complete-multipart-upload –multipart-upload file://fileparts.json –bucket exampleawsbucket –key large_test_file –upload-id
Can you change the number of concurrent requests from S3 CLI?
Yes, the default value is 10.
aws configure set default.s3.max_concurrent_requests 20
What storage class to be used for data with unknown or changing access patterns?
S3 Intelligent-Tiering
What storage class is recommended for long-lived, but less frequently accessed data?
S3 Standard-Infrequent Access (S3 Standard-IA) and S3 One Zone-Infrequent Access (S3 One Zone-IA)
What storage class is recommended for long-term archive and digital preservation?
Amazon S3 Glacier (S3 Glacier) and Amazon S3 Glacier Deep Archive (S3 Glacier Deep Archive)
What storage class is recommended for on-premises object storage to meet data residency needs?
S3 Outposts
What is a Provisioned Capacity Unit (PCU) and when should it use PCU?
Provisioned Capacity guarantees that your retrieval capacity for Expedited retrievals will be available when you need it. Each unit of capacity ensures that at least 3 expedited retrievals can be performed every 5 minutes and provides up to 150MB/s of retrieval throughput.
Can the files be kept in multiple regions?
Multiple copies are kept in three AZs in a given region. S3 is not Multi-Region. You have to programmatically replicate if you need to.
How much does it cost to transfer from internet or other regions into a S3 bucket?
$0
How much does it cost to export data from S3 bucket to internet?
$0.00 - 0.09 per GB
How much does it cost to export data from S3 bucket to other region?
Average $0.01 per GB
