Microservices - Monitoring and Observability
A request flows through microservices X, Y, and Z in a distributed system. Which observability data type best helps pinpoint which service introduces latency?
A request flows through microservices X, Y, and Z in a distributed system. Which observability data type best helps pinpoint which service introduces latency?
medium📝 Analysis Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Identify data types
Metrics provide resource usage, logs show events/errors, traces show request flow.Step 2: Determine which data reveals latency source
Distributed tracing captures timing and path of requests across services, revealing latency points.Final Answer:
Distributed tracing data showing request spans across services -> Option AQuick Check:
Tracing pinpoints latency per service, unlike aggregated metrics or isolated logs. [OK]
Quick Trick: Tracing reveals latency across service calls [OK]
Common Mistakes:
MISTAKES- Relying only on aggregated metrics which hide per-service delays
- Checking logs from a single service without context
- Using network stats which don't show internal service latency
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