Microservices - Monitoring and Observability
Which of the following is the correct way to pass a Correlation ID between microservices?
Which of the following is the correct way to pass a Correlation ID between microservices?
easy📝 Conceptual Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Review common practices for passing metadata
Metadata like Correlation IDs are typically passed in HTTP headers to keep requests clean and consistent.Step 2: Evaluate options
Query parameters can be altered or logged insecurely; storing in DB is inefficient; response body is too late for tracking.Final Answer:
Add it as a custom HTTP header in the request -> Option AQuick Check:
Correlation ID in headers = best practice [OK]
Quick Trick: Use HTTP headers to pass Correlation IDs [OK]
Common Mistakes:
MISTAKES- Using query parameters which can be insecure
- Storing IDs in database for each call
- Embedding IDs in response body instead of request
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