Microservices - Monitoring and Observability
A developer notices that Correlation IDs are missing in logs of downstream services. Which is the most likely cause?
A developer notices that Correlation IDs are missing in logs of downstream services. Which is the most likely cause?
medium📝 Analysis Q14 of 15
Step-by-Step Solution
Solution:
Step 1: Understand Correlation ID propagation
Correlation IDs must be passed along with every outgoing request to maintain traceability.Step 2: Identify common propagation mistake
If downstream logs miss the ID, it usually means the header was not forwarded properly.Final Answer:
The Correlation ID header is not forwarded in outgoing requests -> Option AQuick Check:
Missing ID in logs = header not forwarded [OK]
Quick Trick: Always forward Correlation ID header downstream [OK]
Common Mistakes:
MISTAKES- Blaming length truncation without evidence
- Assuming logging system limitation
- Thinking language differences cause missing IDs
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