You have an application that uses Cloud Spanner as a backend database. The application has a very predictable traffic pattern. You want to automatically scale up or down the number of Spanner nodes…

The correct answer is D. Create a Stackdriver alerting policy to send an alert to webhook when Cloud Spanner CPU is. Note: You can scale the number of nodes in your instance based on the Cloud Monitoring metrics on CPU or storage utilization in conjunction with Cloud Functions. https://cloud.google.com/spanner/docs/instances

Submitted by kavita_s· Mar 30, 2026Ensuring successful operation of a cloud solution

Question

You have an application that uses Cloud Spanner as a backend database. The application has a very predictable traffic pattern. You want to automatically scale up or down the number of Spanner nodes depending on traffic. What should you do?

Options

ACreate a cron job that runs on a scheduled basis to review stackdriver monitoring metrics, and
BCreate a Stackdriver alerting policy to send an alert to oncall SRE emails when Cloud Spanner
CCreate a Stackdriver alerting policy to send an alert to Google Cloud Support email when Cloud
DCreate a Stackdriver alerting policy to send an alert to webhook when Cloud Spanner CPU is

How the community answered

(49 responses)

A
12% (6)
B
6% (3)
C
31% (15)
D
51% (25)

Explanation

Note: You can scale the number of nodes in your instance based on the Cloud Monitoring metrics on CPU or storage utilization in conjunction with Cloud Functions. https://cloud.google.com/spanner/docs/instances

Topics

#Cloud Spanner#autoscaling#webhook alerting#traffic-based scaling

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