Ravi Sir's Cards › AWS
Prove Get/Query
This interview card covers Prove Get/Query. Caching a Scan is wasted money. Confirm hot path is GetItem/Query before DAX. Trace top endpoints , then reject Scans , then then cache talk.
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What this card says
What it is
Caching a Scan is wasted money.
Why it matters
Confirm hot path is GetItem/Query before DAX.
GetItem
How / example
Trace top endpoints → reject Scans → then cache talk.
No Scan tickets.