Pivotal Cloud Foundry (PCF) Developer Certification Study Guide – Autoscaler

What is the Autoscaler?

It’s a marketplace service that automatically scale bound application based on these configurations:

  • CPU utilization
  • HTTP Throughput
  • HTTP Latency
  • Time schedules
Autoscaler Service on PCF Marketplace
Autoscaler on PCF Marketplace

How would you use it?

It’s very useful to ensure that enough application instances is available to serve requests, and also to ensure no over allocation when request number is low.

What can you configure?

We can configure number of minimum and maximum instances based on CPU utilization, HTTP throughput per second, and HTTP latency time.
We also can schedule number of minimum and maximum instances based on date, time, and day of the week.

PCF Autoscaler Management Setting
PCF Autoscaler Management Setting
Screenshot of PCF Autoscaler Scaling Rules Options
Screenshot of PCF Autoscaler Scaling Rules Options

Do you understand Autoscaler schedules?

Yes, it allows autoscaler to automatically scale number of minimum and maximum application instances based on date, time, and day of the week.

Screenshot of PCF Autoscaler Scheduler Setting
Screenshot of PCF Autoscaler Scheduler Setting

Review Test

Test your knowledge on PCF Autoscaler:

Reference:

Pivotal Cloud Foundry Official Documentation – Using Autoscaler

Author: Trijito Santoso

I’m Trijito Santoso, a Seventh-Day Adventist, a medical technology and computer science graduate, and a software developer. The reason why I shifted from medical technology to computer science is because I love to create things (design, software, articles, anything), and being a software developer allows me to create things everyday. I graduated from Northeastern University, Boston, with a degree Master of Science in Computer Science. My resume is available on my LinkedIn.

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