You are deploying an application to App Engine. You want the number of instances to scale based on request rate. You need at least 3 unoccupied instances at all times. Which scaling type should you…

The correct answer is D. Automatic Scaling with min_idle_instances set to 3. App Engine calculates the number of instances necessary to serve your current application traffic based on scaling settings such as target_cpu_utilization and target_throughput_utilization. Setting min_idle_instances specifies the number of instances to run in addition to this…

Submitted by fatima_kr· Mar 30, 2026Deploying and implementing a cloud solution

Question

You are deploying an application to App Engine. You want the number of instances to scale based on request rate. You need at least 3 unoccupied instances at all times. Which scaling type should you use?

Options

AManual Scaling with 3 instances.
BBasic Scaling with min_instances set to 3.
CBasic Scaling with max_instances set to 3.
DAutomatic Scaling with min_idle_instances set to 3.

How the community answered

(45 responses)

A
2% (1)
B
2% (1)
D
96% (43)

Explanation

App Engine calculates the number of instances necessary to serve your current application traffic based on scaling settings such as target_cpu_utilization and target_throughput_utilization. Setting min_idle_instances specifies the number of instances to run in addition to this calculated number. For example, if App Engine calculates that 5 instances are necessary to serve traffic, and min_idle_instances is set to 2, App Engine will run 7 instances (5, calculated based on traffic, plus 2 additional per min_idle_instances). https://cloud.google.com/appengine/docs/standard/go/config/appref

Topics

#App Engine scaling#automatic scaling#min_idle_instances#instance management

Community Discussion

No community discussion yet for this question.

Full ASSOCIATE-CLOUD-ENGINEER Practice