Azure IOT hub edge agent metrics not sending metrics related to memory usage by the module.

chromosome 5

Azure IOT hub edge agent metrics not sending metrics related to memory usage by the module. edgeAgent_used_memory_bytes only exposing the data related to host not all the modules deployed in the Edge Device.
Edge runtime deployed in Raspberry Pi Bullseye linux/arm.
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Saravanan Ganesan 1,750 Reputation points MVP

2023-11-13T09:51:27.1933333+00:00

Hi Chromosome ,

Can you please refine your question and give us a detailed insight , what is the issue you facing in azure iot edge metrics module , so it will be easy for us to give you a resolution which can resolve your query .

Regards,

Saravanan Ganesan.
chromosome 5 Reputation points

2023-11-13T09:55:24.4766667+00:00

I am trying to access the RAM used by all the module in the IOT edge device using edgeAgent_used_memory_bytes produced by edgeAgent but It showing data only for host RAM uses not for all the modules deployed in the edge run time.

REF: https://learn.microsoft.com/en-us/azure/iot-edge/how-to-access-built-in-metrics?view=iotedge-1.4
Saravanan Ganesan 1,750 Reputation points MVP

2023-11-13T11:02:26.9166667+00:00

Hi Chromosome ,

Are you routing these metrics value to Azure IoT Hub ? if so , have you tried viewing the metrics using log analytics workbook? or which visualization tool you are using it to view those results ?

Regards,

Saravanan Ganesan.
Saravanan Ganesan 1,750 Reputation points MVP

2023-11-13T11:05:22.4566667+00:00

Hi Chromosome ,

If you are fine we can connect over the teams call , too look in to this query so i can provide lot of insights on this metrics collector query since i have worked predominantly in it and it will also help me to post the detailed answer here , which will be useful for other community members as well .

Regards,

Saravanan Ganesan.
chromosome 5 Reputation points

2023-11-13T11:29:22.2033333+00:00

I have tried accessing the metrics using azure metric collector module and we have set up some custom solution to monitor the metrics. I can access other metrics like CPU usage Network usage and all but when I try to access memory usage using edgeAgent_used_memory_bytes Produced by the edgeAgent , I am not getting the memory usage by all the module. edgeAgent_used_memory_bytes only showing host metrics.

PS: However its working fine for UBUNTU (linux/amd) base OS but for Raspbian OS (Bullseye linux/arm) its not working.
LeelaRajeshSayana-MSFT 13,966 Reputation points

2023-11-16T00:52:52.47+00:00

Thank you, Saravanan, for your inputs on this thread and your willingness to help out the community. I highly appreciate your contributions on this forum.

Hi @chromosome I am checking to see if were able to connect with Saravanan and get more understanding on this issue. If you have identified a solution, Kindly share it here to benefit other community members running into the same issue.
chromosome 5 Reputation points

2023-11-17T07:21:01.17+00:00

@Sander van de Velde | MVP could you please help me here? I am following you Prometheus custom setup.

https://sandervandevelde.wordpress.com/2021/05/25/deploy-prometheus-with-azure-iot-edge/

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Azure IOT hub edge agent metrics not sending metrics related to memory usage by the module.