Ravi Sir's Cards › AWS
When is DynamoDB TTL better than a cleanup Lambda?
What is a VPC: your own private network inside one AWS Region, example ThreeTierVpc 10.0.0.0/16.
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What this card says
What it is
When you only need eventual delete by an expiresAt epoch and no extra archive logic.
Why it matters
TTL is free background deletion; not a precise alarm clock.
How / example
Session tokens: set expiresAt=now+900 and enable TTL on that attribute.