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A Grafana panel shows 'No data' despite having a valid data source. What is a common reason for this?

medium📝 Troubleshoot Q6 of 15
Microservices - Monitoring and Observability
A Grafana panel shows 'No data' despite having a valid data source. What is a common reason for this?
AGrafana dashboard is not saved
BThe time range selected does not include any data points
CThe panel title is missing
DThe browser cache needs clearing
Step-by-Step Solution
Solution:

  1. Step 1: Understand 'No data' causes

    This message often means no data matches the query within the selected time range.

  2. Step 2: Check time range relevance

    If the time filter excludes data points, the panel will show no data.

  3. Final Answer:

    The time range selected does not include any data points -> Option B

  4. Quick Check:

    Time range filters data; missing title or cache won't cause 'No data' [OK]
Quick Trick: Check time range when panel shows 'No data' [OK]
Common Mistakes:
MISTAKES
  • Assuming unsaved dashboard causes no data
  • Thinking panel title affects data display
  • Believing browser cache causes no data

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