I Pay-As-You-Go subscription with S3 plan
Having scale out settings like Min 2 instance Max 4. Based on CPU and Memory consumption it will add 1 more instance
Why first instance showing 82% CPU utilization while other is <40% CPU utilization ? I would expecting equal utilization.
based on R&D i come to know because application sticky session instance does not sharing equal utilization.
Automatic scaling is implemented in accordance with certain rules, and it is not clear which instance is accessed or used. You can achieve load balancing in the following ways, which should meet your needs.
How Azure load balances scaled out App Service plan?
Please read below tips, when you configure the settings.
No metric rules defined; click Add a rule to scale out and scale in your instances based on rules. For example: 'Add a rule that increases instance count by 1 when CPU percentage is above 70%'.
