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5 changes: 3 additions & 2 deletions docs/production/storage-aws.md
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Expand Up @@ -18,8 +18,9 @@ if you use MFA), or use a short-term token solution such as

## Should I use S3 or DynamoDB ?

Note that the choices are: "chunks" of timeseries data in S3 and index
in DynamoDB, or everything in DynamoDB. Using just S3 is not an option.
Note that the choices for the chunks storage backend are: "chunks" of
timeseries data in S3 and index in DynamoDB, or everything in DynamoDB.
Using just S3 is not an option, unless you use the [blocks storage](../../blocks-storage/) engine.

Broadly S3 is much more expensive to read and write, while DynamoDB is
much more expensive to store over months. S3 charges differently, so
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