Glossary

S3

Amazon's object storage for files/blobs at exabyte scale.

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Definition

Amazon's object storage for files/blobs at exabyte scale.

How it works

11 nines of durability via erasure coding across availability zones; cheap, but not a database — store blobs here, metadata in a DB.

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Common questions

What is S3?

Amazon's object storage for files/blobs at exabyte scale.

How does S3 work?

11 nines of durability via erasure coding across availability zones; cheap, but not a database — store blobs here, metadata in a DB.

What is S3 used for in system design?

11 nines of durability via erasure coding across availability zones; cheap, but not a database — store blobs here, metadata in a DB.

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