Missing Azure Diagnostics logs for Logic apps in Azure

Arslan Akram 6

I am using the Logic App management solution for Logic app logs. Some diagnostics logs are missing either for failure runs or for success runs. When I use the Azure metrics I am getting the exact number of metric logs for success and failure runs but not with the Azure Diagnostics logs.
Even if I manually query the diagnostic log against the Run Id I still get nothing.

I am facing this issue with multiple logic apps. Please see the screenshots below,

Diagnostics logs:

The actual number of runs(UTC+5):

Please advise if this is a bug or if something needs to be done on my side?

Thanks,
Arslan

Kamlesh Kumar 3,861 Reputation points

2022-06-23T13:15:39.237+00:00

Hi @Arslan Akram -- Is your Logicapp created with Consumption or Standard LogicApp and did you enabled the diagnostic setting to push metrics?

Please refer the below Microsoft Doc to understand how to set up Azure Monitor logs and collect diagnostics data for Azure Logic Apps: https://learn.microsoft.com/en-gb/azure/logic-apps/monitor-logic-apps-log-analytics

Also, was it working previously or 1st time you are seeing this issue?

Regards,
Arslan Akram 6 Reputation points

2022-06-23T16:50:25.187+00:00

Hi Kamlesh,

Logic App was created with Consumption. I have enabled the Diagnostic setting to push all logs and metrics to the Log Analytics workspace. Please see the screenshot below.

I have enabled the setting a few weeks ago and I wasn't really looking into the logs but suddenly our client reported this problem.

Thanks,
Arslan

1 answer

Wojciech Salamonowicz 0 Reputation points

2024-09-18T08:40:14.61+00:00

Hi,

I've had same issue, unfortunately, Azure Monitor Resource Logs aren't 100% lossless:
https://learn.microsoft.com/en-us/azure/logic-apps/monitor-workflows-collect-diagnostic-data?tabs=standard
In my case Logic app was tracking business keys, I've switched to logging them manually via additional action in workflow.
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