AWS - CloudWatch
A developer sends custom metrics to CloudWatch but no data appears in the console. Which is the most probable reason?
A developer sends custom metrics to CloudWatch but no data appears in the console. Which is the most probable reason?
medium📝 Debug Q7 of 15
Step-by-Step Solution
Solution:
Step 1: Check metric namespace
Custom metrics must be sent with a valid namespace; incorrect or missing namespaces cause metrics not to appear.Step 2: Evaluate other options
IAM roles affect permissions but usually cause errors; CloudWatch supports custom metrics; CLI version issues typically cause errors, not silent failures.Final Answer:
The custom metric namespace was not specified correctly -> Option AQuick Check:
Correct namespace required for custom metrics [OK]
Quick Trick: Namespace must be correct for metrics to appear [OK]
Common Mistakes:
- Ignoring namespace correctness
- Assuming IAM role issues cause silent failures
- Believing CloudWatch doesn't support custom metrics
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