Azure Functions
An Azure service that provides an event-driven serverless compute platform.
5,570 questions
Azure Functions become slow after upgrade to .Net Core 6 from .Net Core 3
Damilola Adejobi
0
Reputation points
After updating an Azure function i to .Net core 6 from .Net Core 3, the Azure Function is becoming extremely slow retrieving data from the service bus. We have an Azure Function that was running well processing thousands messages on the service bus per hour But after the last deployment it is becoming slow with only 10 records per hour
{count} votes
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MayankBargali-MSFT 70,871 Reputation points2023-12-22T03:22:40.1066667+00:00 @Damilola Adejobi Thanks for reaching out. Have you tested your application locally and did you observe the same behavior or the issue is intermittently. Do you have the logging mechanism to know which part of code execution is taking more time? Are there any external calls that are taking the time or is it the normal C# code that is taking much time now. Can you navigate to individual function and validate how much time it takes for a request to process?
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Damilola Adejobi 0 Reputation points
2023-12-22T17:08:27.8633333+00:00 Yes, application has been tested locally, works well. As I further investigated I find out that the Azure function scaled down quite often stopping the processing of the messages on the service bus.
Error: Stopped the listener 'Microsoft.Azure.WebJobs.ServiceBus.Listeners.ServiceBusListener
Message processing has been stopped or cancelled (namespace='euw-sb-emea-d365crm-integration-prod.servicebus.windows.net', entityPath='euw-sb-emea-d365crm-integration-prod-fr', singleDispatch='False', isSessionsEnabled='False', functionId='Aliaxis_Azure_Functions.DataIntegration.Run')
Exception Type
No job functions found. Try making your job classes and methods
Host did not shutdown within its allotted time.
A collision for Host ID 'euw-app-emea-d365crm-integration' was detected in the configured storage account.
Detected function(s) having execution failure rate more than 1%. -
MayankBargali-MSFT 70,871 Reputation points
2023-12-26T17:02:24.27+00:00 @Damilola Adejobi This would need to be investigate and I will suggest to engage us over one on one support request.
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