Request-based auto scaling in GCP - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is request-based auto scaling in cloud infrastructure?

Request-based auto scaling automatically adjusts the number of running instances based on the number of incoming requests to handle traffic efficiently.

beginner

Which Google Cloud service commonly uses request-based auto scaling?

Google Cloud Run uses request-based auto scaling to scale container instances up or down depending on the number of requests it receives.

beginner

How does request-based auto scaling help save costs?

It scales down instances when there are fewer requests, so you only pay for the resources you actually use, avoiding waste.

intermediate

What happens if the number of requests suddenly spikes in request-based auto scaling?

The system quickly adds more instances to handle the increased load, preventing slowdowns or failures.

beginner

Name one key metric used in request-based auto scaling.

The number of incoming requests per second is a key metric to decide when to scale instances up or down.

What triggers request-based auto scaling in Google Cloud Run?

A Disk space usage

B CPU temperature

C Number of incoming requests

D User login count

Request-based auto scaling responds to the number of incoming requests to adjust instances.

What is a benefit of request-based auto scaling?

A Always runs maximum instances

B Ignores traffic changes

C Requires manual scaling

D Saves cost by scaling down when idle

It saves cost by reducing instances when there are fewer requests.

Which GCP service is best known for request-based auto scaling of containers?

A Cloud Run

B Cloud Storage

C BigQuery

D Cloud SQL

Cloud Run automatically scales container instances based on request load.

If request traffic drops to zero, what does request-based auto scaling do?

A Scales instances down to zero

B Keeps all instances running

C Increases instances

D Sends alert to admin

It scales down instances to zero to save resources when no requests come in.

What metric is NOT typically used in request-based auto scaling?

A Requests per second

B CPU usage

C Number of requests

D Incoming traffic

Request-based auto scaling focuses on request counts, not CPU usage.

Explain how request-based auto scaling works in Google Cloud Run.

Think about how the system reacts to more or fewer users accessing your app.

Describe the benefits of using request-based auto scaling for a web application.

Consider what happens when many users visit or leave your site.