AWS - DynamoDB
You enabled TTL on attribute
expiry but items are not deleting after expiration. What is the most likely cause?You enabled TTL on attribute expiry but items are not deleting after expiration. What is the most likely cause?
medium📝 Debug Q14 of 15
Step-by-Step Solution
Solution:
Step 1: Check TTL attribute correctness
If the TTL attribute is missing or not a Number with epoch seconds, TTL won't delete items.Step 2: Verify other options
TTL works regardless of region, does not require manual activation, and does not need to be primary key.Final Answer:
TTL attributeexpiryis missing or has wrong data type -> Option BQuick Check:
Wrong TTL attribute = no deletion [OK]
Quick Trick: TTL attribute must exist and be correct type [OK]
Common Mistakes:
- Thinking TTL depends on table region
- Believing TTL needs manual daily activation
- Assuming TTL attribute must be primary key
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