AWS - Lambda
You want to reduce AWS Lambda costs for a function running 1 million times with 512 MB memory for 1 second each. Which action will reduce the cost most?
You want to reduce AWS Lambda costs for a function running 1 million times with 512 MB memory for 1 second each. Which action will reduce the cost most?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand cost drivers
Cost depends on memory size and duration multiplied by number of executions.Step 2: Evaluate options
Reducing memory from 512 MB to 256 MB halves the GB-seconds, lowering cost. Increasing memory or timeout or executions increases cost.Final Answer:
Reduce memory allocation to 256 MB -> Option DQuick Check:
Lower memory reduces GB-seconds cost [OK]
Quick Trick: Lower memory reduces cost more than other factors [OK]
Common Mistakes:
- Increasing memory to reduce cost
- Increasing timeout thinking it saves money
- Ignoring memory size impact
Master "Lambda" in AWS
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