GCP - Cloud Functions
Why does setting max concurrency to 1 in Cloud Run increase cold start frequency compared to higher concurrency?
Why does setting max concurrency to 1 in Cloud Run increase cold start frequency compared to higher concurrency?
hard📝 Conceptual Q10 of 15
Step-by-Step Solution
Solution:
Step 1: Understand concurrency effect on instance usage
Max concurrency 1 means each instance handles only one request at a time, so more instances are needed for many requests.Step 2: Link instance count to cold starts
More instances starting means more cold starts as new containers spin up.Final Answer:
Because fewer requests per instance cause more instances to start -> Option DQuick Check:
Low concurrency increases instance count and cold starts [OK]
Quick Trick: Low concurrency means more instances, more cold starts [OK]
Common Mistakes:
- Blaming CPU or memory for cold starts
- Thinking network limits cause cold starts
- Ignoring concurrency impact on instance count
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