Join experts to dive deep into IaC security and governance on August 27

➡️ Register for IaCConf

General

What Is DevOps Observability? Benefits and Challenges

devops observability

🚀 Level Up Your Infrastructure Skills

You focus on building. We’ll keep you updated. Get curated infrastructure insights that help you make smarter decisions.

In DevOps, observability means using logs, metrics, and traces to understand not just what went wrong, but why. It helps you navigate distributed systems, respond to incidents confidently, and improve over time.

In this blog, we’ll cover the basics of DevOps observability, how it differs from traditional monitoring, and why it matters. You’ll learn about its three core pillars, explore practical tools, and pick up best practices to make your systems more reliable.

What we’ll cover:

  1. What is observability in DevOps?
  2. Three pillars of observability in DevOps
  3. Why is observability important in DevOps?
  4. Common observability challenges in modern DevOps
  5. Benefits of observability for DevOps teams
  6. Key components of an observability stack
  7. Popular observability tools in DevOps workflows
  8. Solving observability gaps in DevOps
  9. Best practices for building observability in DevOps

What is observability in DevOps?

Observability in DevOps is the ability to understand an application’s internal state by analyzing external outputs like logs, metrics, and traces. It enables teams to detect, investigate, and resolve issues quickly without needing to predict specific failures in advance. 

With enough high-quality telemetry, observability helps uncover root causes and respond to unexpected behavior during both development and production.

Observability vs monitoring – understanding the difference

Monitoring tells you if something is wrong, whereas observability helps you understand why it is incorrect. That is the key difference. Monitoring relies on predefined alerts and dashboards to show the health of known components. It is excellent for catching known failure patterns. 

However, observability lets you uncover unknown issues by providing context-rich insights into your systems. It helps you form hypotheses and investigate failures that monitoring might miss. In short, monitoring is reactive, whereas observation is proactive and diagnostic. 

You need both, but observability provides the more profound clarity that DevOps engineers rely on in complex production environments.

Read more: Observability vs Monitoring: Key Differences Explained

Three pillars of DevOps observability

Here is a simple diagram to represent the three pillars of observability. Each pillar complements the other and provides a different lens through which you can view your system’s behavior.

devops observability pillars

1. Logs

Logs are textual records of events that happen within your system. As a DevOps engineer, you use logs daily to investigate errors, debug code, and analyze application flows. Logs are granular and can capture user activity, stack traces, authentication events, and more. 

They provide the context around what happened and when, whether it is an API failure or an unauthorized access attempt. Unstructured but deeply informative, logs are often stored centrally and indexed so that you can query them during outages or performance incidents. They act as the narrative of your system’s behavior.

2. Metrics

Metrics provide quantitative data about your system’s performance. For example, you might track CPU usage with memory consumption and request rates. Metrics are structured and time-series-based, perfect for setting thresholds and detecting anomalies in real time. 

As part of a DevOps pipeline, metrics help you gauge the success of deployments and monitor infrastructure capacity to maintain service objectives. Dashboards use these metrics to present insights visually so teams can quickly respond to incidents. Metrics tell you what is happening and how severe it is. They allow you to spot trends and react to system health issues efficiently.

3. Traces

Traces show how a single request moves through a distributed system. In a microservices architecture, a request might touch multiple services before returning a response. Traces connect the dots and help you visualize that journey. You can see how long each service takes and where bottlenecks occur to find dependencies affecting response times. 

This makes tracing essential during incident analysis or performance optimization. Using Jaeger or Zipkin, you can drill into a trace and identify what slows down your system. Traces add depth to metrics and logs by showing how your services interact in production.

Why is observability important in DevOps?

Observability is important in DevOps because it enables teams to detect, diagnose, and resolve issues in complex systems quickly and accurately. It provides visibility into system behavior through metrics, logs, and traces, reducing downtime and improving reliability.

In modern DevOps environments, systems are distributed and dynamic, making traditional monitoring insufficient. Observability tools help teams understand why something is happening, not just what is happening. For example, tracing can reveal latency issues in a microservices architecture that metrics alone might miss. Observability also supports continuous delivery by making it safer to deploy frequently and detect regressions early.

In short, observability keeps your systems resilient and your users happy.

Common observability challenges in modern DevOps

Maintaining clear system visibility becomes increasingly complex as DevOps environments grow more dynamic. Teams face recurring challenges that can hinder their ability to debug and resolve issues quickly. Here are the most common challenges they often deal with.

  • Complexity of microservices and distributed systems Modern applications are increasingly built on microservices. This architecture improves scalability and flexibility but adds complexity to monitoring and debugging. Services communicate asynchronously over networks and often raise upstream or downstream dependencies. Observability becomes essential in tracing these interactions and understanding system behavior across service boundaries.
  • Need for rapid incident detection and resolution – DevOps teams deploy changes multiple times daily through continuous delivery pipelines. This increases the likelihood of introducing bugs or regressions. Rapid detection is critical to minimize user impact. Observability allows teams to identify abnormal patterns by triggering alerts about rising problems before they escalate. Without Observability, teams are often left guessing or reacting too late.
  • Pressure to maintain high availability and performance – Downtime and poor performance directly affect customer satisfaction and revenue. Users always expect applications to run fast and remain available all the time. Observability supports this expectation by giving teams the visibility to optimize performance and ensure services remain available even under pressure.

Benefits of observability for DevOps teams

When done right, observability brings powerful advantages. It becomes a unifying force that drives better decisions and stronger systems. Here are the main benefits.

  • Faster troubleshooting and root cause analysis – Production systems can fail at any time due to an unexpected issue. Observability provides deep contextual data to create correlated events and easily identify root causes. Instead of piecing together logs from different sources, teams can use unified dashboards to trace requests and find the origin of anomalies within minutes.
  • Improved system reliability and uptime – Observability improves system reliability by enabling proactive monitoring and alerting. Teams can define Service Level Indicators and Objectives to track performance targets. With automated alerts and historical trend analysis, teams can prevent issues before they become outages with higher uptime.
  • Smooth team collaboration between developers and operations teams – DevOps culture is about breaking down silos. Observability helps by creating a shared understanding of system health. Developers can see how their code behaves in production, while operations teams can gain insights into application issues. This shared visibility improves team collaboration to drive faster resolution.
  • Better user experience through proactive issue resolution – Observability enables teams to detect issues before users notice them. By identifying slow Application Interface responses, teams can fix problems proactively. This leads to a more stable and responsive application. Users enjoy a seamless performance experience, which helps you achieve customer trust.

Key components of an observability stack

To build an effective observability practice, you need an effective technology stack. This includes telemetry collectors like OpenTelemetry, which gather logs with traces. You also need storage systems that handle time series data or log aggregation. 

Integration with continuous delivery pipelines ensures that each release is instrumented and observable. A strong observability stack is not just a bunch of tools but a connected ecosystem that turns data into action.

Step 1: Data collection

The first step in observability is collecting telemetry data. This involves using agents or instrumentation libraries to capture logs and metrics. It is a widely adopted standard that provides a unified framework for generating and collecting telemetry data across different programming languages and platforms.

Step 2: Data storage and aggregation

Once data is collected, it must be stored in systems designed for high-performing queries and correlation. Metrics are typically stored in time series databases like Prometheus. 

Logs are aggregated using tools like Elasticsearch. Centralizing data enables teams to correlate telemetry and analyze system behavior holistically.

Step 3: Visualization and analysis

Visualization tools convert raw data into actionable insights. Grafana is widely used to create dashboards and visualize metrics. Another tool, Kibana, provides rich interfaces for exploring logs. 

These tools allow teams to set performance alerts and build service tracking dashboards. Advanced analysis may include anomaly detection or Machine learning-based insights.

Solving observability gaps in DevOps

To close observability gaps, start by standardizing telemetry across your stack. Use OpenTelemetry or similar frameworks to ensure consistent logging, tracing, and metric collection. 

Avoid blind spots by instrumenting services and CI/CD pipelines, infrastructure, and third-party APIs. Correlate data across all three pillars, logs, metrics, and traces, to investigate issues from multiple angles. Prioritize dashboards that support drill-down analysis. 

Set SLOs and SLIs to measure what truly matters. Train your team so they have the skills to interpret data, respond to alerts, and effectively investigate incidents using the Observability stack.

1. Data overload from excessive logs and metrics

Modern systems generate vast volumes of telemetry. Developers often log every function call or export every metric without restraint. Distributed environments compound this by replicating logs across services and containers. The result is overwhelming data that clutters dashboards and slows root cause analysis.

To address this, use dynamic logging levels that can escalate during incidents. Implement intelligent sampling for traces and rate-limiting for non-critical metrics. 

Employ correlation IDs to group related logs and traces for clarity. Focus on event-driven logging rather than blanket logging.

Suggested tooling: OpenTelemetry + Loki (for filtered logging), Prometheus recording rules, Datadog APM trace sampling.

2. High costs of observability tooling

Commercial platforms charge based on ingestion and retention. Storing verbose logs and high-cardinality metrics can quickly balloon costs, especially with auto-scaling systems generating transient but noisy data.

Adopt open-source stacks like Prometheus, Grafana, and Loki for core telemetry. Use tiered retention policies, e.g., keep high-fidelity logs for 7 days and aggregated metrics for 90 days. Archive long-term data to object storage (S3, GCS). Continuously monitor cost-to-insight ratios to adjust strategies.

Suggested Tooling: Grafana Loki, ClickHouse for cheap analytics, S3 for cold log storage, Karpenter (K8s cost-optimized autoscaler).

3. Lack of team-wide adoption

Dashboards remain unused, alerts go unactioned, and teams either do not trust the tools or do not understand what the metrics mean. Sometimes, observability is seen as an ops-only concern, leaving developers blind to runtime issues.

Embed observability into daily workflows. Use dashboards during standups and review alerts in retrospectives. Conduct onboarding workshops and incident walkthroughs. Share stories where observability helped avoid downtime. Treat it as a shared responsibility, not an afterthought.

Suggested Tooling: Grafana shared dashboards, Slack integrations for alerting, Confluence playbooks explaining metrics, and onboarding guides.

Best practices for building observability in DevOps

Building observability into your DevOps workflow requires consistency and alignment with your system complexity. A few foundational habits can help teams detect and diagnose issues faster. Follow these best practices to build strong observability:

Instrument code with meaningful logs, metrics, and traces.

Instrumentation is the foundation of observability. Developers should ensure that their code emits structured logs and distributed traces where relevant. 

  • Logs should include context such as user identities or session details to make it easier to trace issues. 
  • Metrics should be tagged consistently and focus on business-critical operations. 
  • Traces should span multiple services to offer complete request visibility. 

By writing meaningful telemetry into the code, teams set themselves up for effective monitoring and fast debugging later.

Standardize observability practices across services to ensure uniform visibility

Inconsistent observability can leave gaps in visibility and reduce the effectiveness of monitoring systems. Teams should adopt shared standards for telemetry formats and metric naming conventions. 

Tools like OpenTelemetry help enforce consistency across languages and frameworks. 

Establishing service level objectives and indicators should also be standardized to ensure alignment with organizational goals. When observability is consistent across services, teams can compare behaviors with shared dashboards and diagnose issues without confusion.

Automate telemetry collection and alerting using IaC

Manual observability setup can sometimes be inconsistent and prone to errors. Automating the deployment of agents and dashboards through tools like Terraform or Helm charts can enforce observability as part of the DevOps workflows. 

This automation also allows teams to maintain observability configurations under version control and enable repeatable deployments. Alerts based on defined thresholds or anomaly detection can also be codified to respond to issues as they arise automatically.

Create documentation and shared dashboards to train teams on observability

Teams should actively promote transparency by creating shared dashboards that developers and operators can understand. Documentation should explain how telemetry is collected and what the key metrics mean. It should provide information on where to find logs and traces. 

Regular training sessions can reinforce best practices among teams as they learn from past incidents and use new tools to create opportunities. Organizations can normalize their value and improve system resilience by embedding observability during team retrospectives.

Align observability metrics with business KPIs for better monitoring

Metrics and alerts should relate to specific business goals. Whether reducing checkout latency or tracking failed transactions, developers and operators should understand how technical performance influences customer outcomes. 

They can prioritize observability by creating dashboards that visualize business performance indicators alongside technical metrics. This alignment also makes it easier to justify Observability investments to stakeholders.

How to improve workflows with Spacelift

Spacelift allows you to connect to and orchestrate all of your infrastructure tooling, including infrastructure as code, version control systems, observability tools, control and governance solutions, and cloud providers. 

Spacelift enables powerful CI/CD workflows for OpenTofu, Terraform, Pulumi, Kubernetes, and more. It also supports observability integrations with Prometheus and Datadog, letting you monitor the activity in your Spacelift stacks precisely.

With Spacelift, you get:

  • Multi-IaC workflows
  • Stack dependencies: You can create dependencies between stacks and pass outputs from one to another to build an environment promotion pipeline more easily.
  • Unlimited policies and integrations: Spacelift allows you to implement any type of guardrails and integrate with any tool you want. You can control how many approvals you need for a run, which resources can be created, which parameters those resources can have, what happens when a pull request is open, and where to send your notifications data.
  • High flexibility: You can customize what happens before and after runner phases, bring your own image, and even modify the default workflow commands.
  • Self-service infrastructure via Blueprints: You can define infrastructure templates that are easily deployed. These templates can have policies/integrations/contexts/drift detection embedded inside them for reliable deployment.
  • Drift detection & remediation: Ensure the reliability of your infrastructure by detecting and remediating drift.

If you want to learn more about Spacelift, create a free account or book a demo with one of our engineers.

Key points

Observability in DevOps is about much more than monitoring the software development lifecycle. It is about gaining actionable insight into your systems. It helps you tame the complexity of modern DevOps architecture by turning raw telemetry into visibility. When teams can trace a request across services and identify real-time bottlenecks, they can correlate failures with recent changes and be empowered to act decisively. That is what observability delivers.

The journey to effective observability is continuous. You and your DevOps team should invest in it to gain confidence in accelerating delivery and strengthening reliability. Always choose the right tools and follow consistent best practices that offer transparency. Turn observability into an advantage to achieve success with minimal failures in production.

Solve your infrastructure challenges

Spacelift is a flexible orchestration solution for IaC development. It delivers enhanced collaboration, automation, and controls to simplify and accelerate the provisioning of cloud-based infrastructures.

Learn more