A heather-moor catalog shows fewer failed requests in Application Insights after a config change, yet users still report errors. What should the developer check before celebrating?
Select an answer to reveal the explanation.
Short Explanation
Sampling thins what Insights keeps—it is not a health certificate. Check the sampling rate before high-fiving a quieter Failures blade.
Full Explanation
Application Insights sampling (including adaptive sampling) reduces ingested telemetry volume and can make failure counts look healthier without fixing the app. Redis, CDN, and autoscale do not define Domain 4 sampling behavior; inspect sampling configuration and rates before drawing conclusions.