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Does cloud watch API calls bound to Data Sources or Data points?

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Hi All,

I have an EC2 instance in my aws account. The instance is assigned to local collector in the same subnet to collect metrics. At the same time the Cloud watch data sources are also continue to collect the metrics. I was not able to completely disable the cloud collector data sources because we need some metrics.

My question is if we uncheck some of the data points(e.x : CPUUtilization) in the EC2 data sources to stop collecting the metrics, will it reduce API calls to the Cloud watch? By this way if we can save some cloud watch cost from AWS side? 

Does cloud watch API calls bound to Data Sources or Data points?

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Best answer by Michael Raymond 26 May 2023, 18:07

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Stuart Weenig
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You could modify the AppliesTo of the cloud datasources to exclude certain VMs.

For example (in Azure, but similar for other cloud providers): MicrosoftAzure_VMBackupStatus has the following AppliesTo:

hasCategory("Azure/VirtualMachine") && system.azure.hasBackupProtectedItemResource == "true"

You could add something that looks for a property and if that property is present, the VM is excluded from applying to that DS:

hasCategory("Azure/VirtualMachine") && system.azure.hasBackupProtectedItemResource == "true" && noCloudMetrics

Then you’d just add a property called “noCloudMetrics” to any VMs you want that DS not to apply to. It doesn’t matter what the value is. This expression just looks for that property to exist.

 

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Stuart Weenig
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I don’t know if/how much that would save you on CloudWatch bills though.

Rebuilding my stuff here: https://github.com/sweenig/lm http://bit.ly/sweenigresume
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@Stuart Weenig I’m not excluding the data source, I just want to exclude few Data points. Also I would like to know if excluding data points will save us some money.

Stuart Weenig
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No, excluding datapoints (there’s not really a way) wouldn’t save you money AFAIK.

Rebuilding my stuff here: https://github.com/sweenig/lm http://bit.ly/sweenigresume
Michael Raymond
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TIL this page exists: https://www.logicmonitor.com/support/lm-cloud/monitoring-lm-cloud/cloudwatch-costs

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Stuart Weenig
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Haha, on mobile, not enough distinction between "Mark as correct answer" and "like"

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