we have connected our Azure IoT Hub to azure functions whenever a message reaches to IoT hub, it is forward to function for further processing. There is a delay in function App triggering. It occurred only once so far. For Example : we receive 10 messages at 10 Am, but 9 messages are processed immediately, Only 1 message is processed at 11 am. This Function App is in use from the past 3years but I noticed this issue only once that is a couple of days back. I want know the reason. Can anyone please help me with this.

Hello @DurgaPrasadGavara-4919 , For a deeper investigation and immediate assistance on this issue, if you have a support plan you may file a support ticket. Please let us know if you need further help in this regard. Cc: @MikeUrnun , @asergaz Updated: 07-09-2020 After investigating the logs files and info provided to support team, we summarize the outcome as below, We cannot access logs as old as 3 months ago. The retention policy would not allow for older logs to be kept due to security reasons. Thus we are not able to troubleshoot the issue further based on the original time frame provided. Please advise on whether the delay has reoccurred and provide a new time frame. Best approach would be to open a new support case that will have the information on a more recent occurrence of the issue which can be troubleshooted. We hope this info will be useful to other customers with similar issues in future to get better resolution as soon as possible.

Azure function App low Latency.

Accepted answer

QuantumCache 20,031 Reputation points

2020-06-16T17:51:36.917+00:00

Hello @DurgaPrasadGavara-4919 ,
For a deeper investigation and immediate assistance on this issue, if you have a support plan you may file a support ticket. Please let us know if you need further help in this regard.

Cc: @MikeUrnun , @asergaz

Updated: 07-09-2020
After investigating the logs files and info provided to support team, we summarize the outcome as below,

We cannot access logs as old as 3 months ago. The retention policy would not allow for older logs to be kept due to security reasons.
Thus we are not able to troubleshoot the issue further based on the original time frame provided.
Please advise on whether the delay has reoccurred and provide a new time frame.

Best approach would be to open a new support case that will have the information on a more recent occurrence of the issue which can be troubleshooted.

We hope this info will be useful to other customers with similar issues in future to get better resolution as soon as possible.
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2 people found this answer helpful.
QuantumCache 20,031 Reputation points

2020-06-17T23:28:44.62+00:00

Hello @Durga Prasad Gavara ,Just checking back, could you please let us know if you need further help in this matter.

Durga Prasad Gavara 26 Reputation points

2020-06-18T04:32:05.87+00:00

I need help from your end to resolve this issue.

Mike Urnun 9,666 Reputation points Microsoft Employee

2020-06-18T05:56:14.907+00:00

Hello @Durga Prasad Gavara Sorry for the delay. Unique circumstances of this issue require a support engineer who has a deeper insight into your environment to troubleshoot the root cause hence the suggestion made by @QuantumCache above. If your subscription does not carry a support plan at the moment, that's totally fine as we are able to grant you one free of charge for resolving this issue. If you'd like to opt for this option, please send us an email at azcommunity at Microsoft dotcom and we'd be happy to work with you in 1:1 setting. Be sure to include your subscription ID as well as the URL of this post in your email.

QuantumCache 20,031 Reputation points

2020-06-18T16:29:50.613+00:00

Hello @Durga Prasad Gavara , We are happy to help you further in this matter. As stated by MikeUrnun's response, for a deeper investigation and immediate assistance on this issue, if you have a support plan you may file a support ticket, else could you please send an email to azcommunity@microsoft.com with the below details, so that we can create a one-time-free support ticket for you to work closely on this matter. If possible include further details in your email that could help us to understand the issue more.

Thread URL: https://learn.microsoft.com/en-us/answers/questions/33873/index.html

Subscription ID:

Subject : Attn Satish Boddu

Please let me know once you have done the same

Durga Prasad Gavara 26 Reputation points

2020-06-19T04:31:26.18+00:00

Thanks for your help.

I was sent an email to azcommunity@microsoft.com

QuantumCache 20,031 Reputation points

2020-06-19T04:38:00.443+00:00

Hello @Durga Prasad Gavara , We have received your email. Please monitor your email for further updates from us.
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Azure function App low Latency.

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