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Autoscaling
To activate autoscaling navigate to the Scale out (App Service plan) in the navigation pane of your SCEPman App Service.
Please ensure that your App Service plan uses at least the S1 pricing tier. Otherwise, the App Service plan will not provide multiple instances.

Autoscale Conditions

To scale the instance count based on the current load of the service there must be two scaling rule conditions added. One rule to increase the instance count on heavy load and one rule to decrease the instance count after the load is reduced again.
    Select Custom autoscale
    Type in an appropriate name in Autoscale setting name
    Select Scale based on a metric to enable autoscaling based on a defined rule set
    Set the instance limits:
      Minimum
      Maximum
      Default
    Add a rule once to increase the instance count and once to decrease the instance account
We recommend the following settings of the increase and decrease rules. But please keep in mind that this can depend on your workload and needs to be monitored and optimized!

Increase Instance Count Rule

    1.
    Enable metric divided by instance count
    2.
    Choose Greater than as the Operator and set the threshold to 70 (percent)
    3.
    Set the duration to 10 (minutes)
    4.
    Ensure that the Time grain statistic is set to Average
    5.
    Ensure that the Operation is set to Increase count by
    6.
    Set the Cool down (minutes) to 15 (minutes)
    7.
    Check the Instance count (1) that will be added to the current instances

Decrease Instance Count Rule

    1.
    Enable metric divided by instance count
    2.
    Choose Less than as the Operator and set the threshold to 35 (percent)
    3.
    Set the duration to 20 (minutes)
    4.
    Ensure that the Time grain statistic is set to Average
    5.
    Ensure that the Operation is set to Decrease count by
    6.
    Set the Cool down (minutes) to 30 (minutes)
    7.
    Check the Instance count (1) that will be removed from the current instances
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Last modified 8mo ago
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