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Abnormal CPU Usage on Azure VMs with SQL
Hello, For a week, we have noticed abnormal CPU usage on Azure VMs that have SQL Server installed. We observe a link with the Azure SQL backup in the VMs. The CPU load saturates when a backup...
Solution in Original Post : https://learn.microsoft.com/en-us/answers/questions/1605321/is-anyone-else-having-problems-with-high-cpu-consu
MS has provided us the following Workaround (seems to work for us by now):
- go to C:\Program Files\Azure Workload Backup\bin\plugins\SQL and open PluginManifest.json
- Change the value of AllowCommunicationThroughNamedPipes from true to false
- Open TaskManager and Stop AzureWLBackupPluginSvc and AzureWLBackupInquirySvc. Restart AzureWLBackupCoordinatorSvc.
For VM, better to check any changes recently and endpoint, what kind of backup tools are you using?
No changes !
There is also a discussion on Learn: https://learn.microsoft.com/en-us/answers/questions/1605321/is-anyone-else-having-problems-with-high-cpu-consu
Another user experiencing the same problem received a response from Microsoft:
Right now, it seems to be an authentication issue between the extension and the SQL server. Our ticket was escalated to the product group, and we're now awaiting their answer.