What is Amazon S3 & Glacier and it's limitations

Amazon S3 (S3- Simple Storage Service)-

Amazon S3 is storage over the Internet, It is designed to make web-scale computing easier for developers.
Amazon S3 has the simple web interface that allows us to store and retrieve any amount of data at any time, from anywhere on the web.
Amazon S3 provides Apis for you to manage them. For example, you can create S3, upload and download objects using API.


S3 features & Limitations: 

• By Default, 100 buckets can be created in each AWS account but you can increase the limit by submitting service limit increase.
• S3 have unique name globally in each Region.
• You cannot create a bucket within another bucket.
• You can store as many objects as you like, the max size limit of an object is 5TB.
• There is unlimited storage.
• Files are stored in buckets.
• S3 gives us lifecycle management
• S3 provides us versioning, Versioning is a great backup tool, Once versioning enabled can't be disabled, only suspended.
• S3 support Encryption.
• Amazon S3 charges $0.023 per GB per Month.
• All buckets are private by default but you can make it public manually.
• Allow access control lists.
• Integrates with IAM (Allow EC2 user to have access S3 buckets by roles).
• Static Website can be hosted on S3.
• Integrate with Cloud Front.
• Multipart upload.

What is Amazon Glacier:

Glacier is an extremely low-cost storage service for data archival. Amazon Glacier store data for as little $0.01 per GB per month.

• Data Archival service with very low-cost.
• We can store data which infrequently access.
• Low Cost $0.0100 per GB per month