Observability and Reliability

DevOps Concepts

Cem Sakarya

DevOps Risk Advisor

Observability

Observing inner components of software

Components might consist of:

Microservices
APIs
Databases
Other components

Check they are working correctly.

Field glasses symbolizing monitoring.

¹ https://www.istockphoto.com/nl/vector/het-lijnpictogram-van-de-verrekijker-oceaanconcept-verrekijkerteken-op-witte-gm1245624425-363092800?phrase=field%20glass

Why is observability needed?

Many different parts tied to each other
Spot specific problems and their root cause
Monitoring systems effectively

Field glasses symbolizing monitoring.

Alerting

Alerts help detect problems early
Set alerts if software fails to run
Setting up alerts enable teams to react fast when problems happen

Alert

¹ https://www.istockphoto.com/nl/vector/notification-bells-icon-gm1364077374-435399123?phrase=alerting

Why is reliability important?

Examples:

Government services
Defense systems
Banking software

Many other software also require high reliability

How to increase reliability?

Two main principles:

Testing
Observability

DevOps automates testing, and enforce observability.

DevOps Cycle

Testing

Checklist

Testing is used to detect the problems before they go to market.

DevOps ensures automated testing.

Observability

Field glasses symbolizing monitoring.

Observability is used to detect the problems as they happen in user interaction.

Observability is needed even when the software is tested enough.

Reliability in microservices

Microservices

Let's practice!

DevOps Concepts