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Lära Monitoring and Observability | Monitoring, Feedback, and Collaboration
DevOps Principles and Practices

bookMonitoring and Observability

Monitoring and observability are key practices in DevOps that help you ensure your systems are working as expected. Monitoring means collecting and analyzing data about your applications, servers, and infrastructure, so you can spot problems quickly. Observability goes a step further by giving you tools and insights to understand why issues happen, not just when they occur.

These practices are important because they help you:

  • Detect errors and failures early;
  • Respond quickly to incidents;
  • Improve system reliability and performance.

By using monitoring and observability, you can build more dependable software and deliver better experiences to your users.

Key Concepts: Metrics, Logs, and Alerts

Understanding the basics of monitoring starts with three essential concepts: metrics, logs, and alerts. These help you track, understand, and respond to what is happening in your systems.

Metrics

  • Quantitative measurements collected over time;
  • Represent system performance, such as CPU usage, memory consumption, or number of requests per second;
  • Help you see trends and spot issues before they become problems.

Logs

  • Detailed records of events or actions taken by systems and applications;
  • Include information like error messages, user activity, or system changes;
  • Useful for troubleshooting and understanding exactly what happened at a specific time.

Alerts

  • Notifications triggered when metrics or logs cross predefined thresholds;
  • Help you respond quickly to potential issues, such as a server going down or an application error occurring;
  • Can be sent via email, chat, or other communication tools.

Using metrics, logs, and alerts together gives you a clear view of your system's health and helps you react quickly when something goes wrong.

Key DevOps Tools

Real-Life Example: Rapid Issue Detection and Resolution with Monitoring Tools

A retail company launches a new online shopping feature just before a major holiday sale. Shortly after the launch, the DevOps team receives an alert from their application monitoring tool, which detects a sudden spike in error rates and slow response times on the checkout page.

Using real-time dashboards, the team quickly identifies that a recent code deployment is causing database timeouts. Log aggregation tools help pinpoint the exact function and database query responsible for the slowdown. The team immediately rolls back the deployment and monitors the application's health metrics to confirm that performance returns to normal.

Because of proactive monitoring and rapid feedback, customers experience minimal disruption, and the company avoids significant revenue loss during a critical sales period.

Investing in monitoring and observability helps you deliver reliable, high-performing services that meet user expectations and business goals.

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How does observability differ from monitoring in the context of DevOps?

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Hur kan vi förbättra det?

Tack för dina kommentarer!

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bookMonitoring and Observability

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Monitoring and observability are key practices in DevOps that help you ensure your systems are working as expected. Monitoring means collecting and analyzing data about your applications, servers, and infrastructure, so you can spot problems quickly. Observability goes a step further by giving you tools and insights to understand why issues happen, not just when they occur.

These practices are important because they help you:

  • Detect errors and failures early;
  • Respond quickly to incidents;
  • Improve system reliability and performance.

By using monitoring and observability, you can build more dependable software and deliver better experiences to your users.

Key Concepts: Metrics, Logs, and Alerts

Understanding the basics of monitoring starts with three essential concepts: metrics, logs, and alerts. These help you track, understand, and respond to what is happening in your systems.

Metrics

  • Quantitative measurements collected over time;
  • Represent system performance, such as CPU usage, memory consumption, or number of requests per second;
  • Help you see trends and spot issues before they become problems.

Logs

  • Detailed records of events or actions taken by systems and applications;
  • Include information like error messages, user activity, or system changes;
  • Useful for troubleshooting and understanding exactly what happened at a specific time.

Alerts

  • Notifications triggered when metrics or logs cross predefined thresholds;
  • Help you respond quickly to potential issues, such as a server going down or an application error occurring;
  • Can be sent via email, chat, or other communication tools.

Using metrics, logs, and alerts together gives you a clear view of your system's health and helps you react quickly when something goes wrong.

Key DevOps Tools

Real-Life Example: Rapid Issue Detection and Resolution with Monitoring Tools

A retail company launches a new online shopping feature just before a major holiday sale. Shortly after the launch, the DevOps team receives an alert from their application monitoring tool, which detects a sudden spike in error rates and slow response times on the checkout page.

Using real-time dashboards, the team quickly identifies that a recent code deployment is causing database timeouts. Log aggregation tools help pinpoint the exact function and database query responsible for the slowdown. The team immediately rolls back the deployment and monitors the application's health metrics to confirm that performance returns to normal.

Because of proactive monitoring and rapid feedback, customers experience minimal disruption, and the company avoids significant revenue loss during a critical sales period.

Investing in monitoring and observability helps you deliver reliable, high-performing services that meet user expectations and business goals.

question mark

How does observability differ from monitoring in the context of DevOps?

Select the correct answer

Var allt tydligt?

Hur kan vi förbättra det?

Tack för dina kommentarer!

Avsnitt 3. Kapitel 1
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