Application insight not showing data of all function apps

Harendra Prasad 1

We have 14 function apps with a single app service plan (S2). And all function apps configured with single application insights. Initially, application insights were showing data for all function apps now it is showing only for one function apps.
I checked all configurations like APPINSIGHTS_INSTRUMENTATIONKEY in function apps configurations. All is looking fine.
When I go to the performance section and select roles then it shows only one function app name instead of all 14 apps

bharathn-msft 5,086 Reputation points Microsoft Employee

2021-08-03T20:31:42.78+00:00

@Harendra Prasad - Apologies for delayed response on this thread.

To better understand your scenario , can you please help confirm how you enabled monitoring is it via SDK or codeless ? and the language (node.js or .NET or other ?)

Usually Application Insights has a sampling feature that can protect you from producing too much telemetry data on completed executions at times of peak load. Sampling is enabled by default. If you appear to be missing data, you might need to adjust the sampling settings to fit your particular monitoring scenario. To learn more, see Configure sampling.

Also, please review this thread where customers experienced similar issue.

Hope the above information helps, please review and revert back if you have any additional queries.

Looking forward to hear back from you. Thank you
bharathn-msft 5,086 Reputation points Microsoft Employee

2021-08-05T14:15:39.42+00:00

@Harendra Prasad - Checking in to see , if you had a chance to review the above comments and have any further queries . Thank you

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Application insight not showing data of all function apps