Why does DynamoDB TTL not guarantee immediate deletion of expired items right after expiration time?

hard📝 Conceptual Q10 of 15

AWS - DynamoDB

ATTL requires manual confirmation before deletion

BTTL deletions are processed asynchronously and may take up to 48 hours

CExpired items are archived for 30 days before deletion

DTTL only deletes items during table backups

Step-by-Step Solution

Solution:

Step 1: Understand TTL deletion timing
DynamoDB processes TTL deletions asynchronously in the background.
Step 2: Recognize possible delay duration
Deletion can take up to 48 hours after expiration timestamp.
Final Answer:
TTL deletions are processed asynchronously and may take up to 48 hours -> Option B
Quick Check:
TTL deletion is asynchronous with delay [OK]

Quick Trick: TTL deletions are not immediate, can take up to 48 hours [OK]

Common Mistakes:

MISTAKES

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