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In the last few days we have started receiving a lot of emails from Azure saying the following
Subject:
[AUTOSCALE FAILED] - Autoscale task failed for service_name due to no metrics available
Body of the message:
Autoscale has not been able to read any monitoring data ... We recommend monitoring the responsiveness and capacity of your service, to make sure that there are currently enough machines deployed to meet your goals. We will attempt to autoscale as soon as the role instances are available
We have not made any recent changes so we are not really sure what this means or whether or not we should take any action. Can anyone shed some light on this?
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Select the resource group that contains your scale set, then choose your scale set from the list of resources. Select the option to Add a rule. Let's create a rule that increases the number of VM instances in a scale set when the average CPU load is greater than 70% over a 10-minute period.
Autoscale automatically scales between the maximum and minimum capacities, by using the rules in the profile. You can have multiple rules in a profile.
You can usually find answers to cryptic errors like this in the Azure Status Page: http://azure.microsoft.com/en-us/status/
Specifically in the "History" section
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Original question asked a while ago but I started getting this message this morning so I'm adding my experience.
Digging around in the azure portal I was able to see that in fact my cloud service was not scaling so for now I've turned off auto scaling and will be leaving my instances set to my max scale limit. Continuing to search the portal for clues I noticed a warning at the bottom of my screen, which lead me to this message from Microsoft:
We are in Extended Recovery for this incident. Starting on 8/5/14 at approximately 16:50 UTC, Cloud Services customers with Auto-Scale services in East US may see errors reporting the inability to read their Auto-Scale metrics data. Engineering teams are deploying their proposed mitigation solution and are continuing to monitor system performance. An update will be provided in 6 hours or as events warrant.
Long story short... For me this wasn't something I did wrong. It's an issue with the auto scale service that Microsoft has to fix.
Hope this is helpful for others.
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