Ravi Sir's Cards › AWS
Cache or source?
This comparison card contrasts Cache or source. DAX is described as microsecond item/query cache idle node cost. Direct DynamoDB: Strong path and source of truth. The card pairs DAX with optional accelerator, and Direct DynamoDB with required path.
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What this card says
Cache or source?
DAX
Microsecond item/query cache idle node cost.
Direct DynamoDB
Strong path and source of truth.
Key points
Hot Gets after good keys.
Money and strong reads.
Example
describe-clusters
Use when
Optional accelerator.
Required path.