AWS - Lambda
A Lambda function processes events from an SQS queue. To avoid throttling during peak loads, which concurrency setting should you adjust and why?
A Lambda function processes events from an SQS queue. To avoid throttling during peak loads, which concurrency setting should you adjust and why?
hard📝 Application Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Understand event source scaling
SQS triggers Lambda with multiple events; concurrency must match peak load.Step 2: Adjust concurrency to avoid throttling
Increasing reserved concurrency guarantees enough capacity to process events without throttling.Final Answer:
Increase reserved concurrency to guarantee processing capacity. -> Option CQuick Check:
Reserved concurrency increase = prevent throttling [OK]
Quick Trick: Increase reserved concurrency for event-driven Lambda to avoid throttling [OK]
Common Mistakes:
- Decreasing reserved concurrency causes throttling
- Disabling reserved concurrency risks hitting account limits
- Setting provisioned concurrency to zero does not affect throttling
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