Rest API - Caching Strategies
If a REST API caches responses for 10 minutes, what will happen if a client requests the same data after 15 minutes?
If a REST API caches responses for 10 minutes, what will happen if a client requests the same data after 15 minutes?
medium📝 Predict Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand cache expiration
Cache expires after 10 minutes, so after 15 minutes it is invalid.Step 2: Determine server action on expired cache
The server fetches fresh data and updates the cache for new requests.Final Answer:
The server fetches fresh data and updates the cache -> Option AQuick Check:
Expired cache triggers fresh fetch = B [OK]
Quick Trick: Expired cache causes fresh data fetch [OK]
Common Mistakes:
MISTAKES- Assuming old cache is still used
- Thinking expired cache causes errors
- Believing server ignores requests
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