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What Dictates The Need for Observability?

Software development has evolved a lot since its inception. Today’s applications are extraordinarily sophisticated and harder to manage. When it comes to observability, it’s all about making developers understand the multi-layer architectures’ ins and outs. It allows developers to view what’s slow, what’s broken, and what they need to do to enhance the system’s performance.

Making system observable enables everyone, excluding non-technical staff, to analyze the problem from effect to cause. When moving from impact to cause, there are many steps involved, including innocent intermediaries.

Observability is about following along each of those steps. It allows you to find not only the problem but also the reason for the issue, making the solution process easier for you. Thanks to observability, you can understand the condition of the system’s internal state by looking at its output.

You can create your observability tool via opensource software. If you find it challenging to create one for your system, you can opt for a ready-made observability tool that has an excellent track record.

Telemetry Data: Logs, Metrics, And Traces

Here are telemetry data that helps developers to understand what’s going on:

  • Logs: This can be both structured and unstructured lines of text, which can be challenging to understand. Logs show what happened at a specific time in response to a particular event. It’s the app’s response with respect to individual lines of code.
  • Metrics: Metrics are often counted or measured, which is then calculated over a period of time. With the system’s metrics, you can know the memory used by a system in regards to the process and the number of requests handled.  
  • Traces: With trace, one can observe the response to the individual’s transaction flowing through an application. It also helps provide contexts for other telemetry data. For example, it enables you to understand what metrics you must analyze in a given situation and which logs are relevant to the specific event.

What Dictates The Need For Observability?

What Dictates The Need for Observability? 1

Many factors dictate the need for observability, whether it’s an in-house or a cloud system. Here are some factors that dictate the need for observability:

1.     System Maintenance

The modern system consists of multiple architectures and a massive size of source code. Your job as a developer is not over once you’ve developed software, but you’ll always need to maintain your system.

No complex system is ever perfect. There will always be a need to update the code and fix bugs in it. Due to continual development work, you need observability for identifying the problem and fixing bugs.

2.     Unpredictability Of The Distributed System

A distributed system means a system with numerous components located on different machines that communicate and coordinate to identify itself as a single system. The advancement of information technology is making a distributed system more complex.

A system needs to support many features via multiple APIs. For instance, an infrastructure carrying out both environmental monitoring and management. The complexity of the distributed system demands organizations for observability. 

3.  Scaling The System

Scaling the system is not only about adding some lines of codes to add features. This is because the features that you add might have an impact on various objects of your system. To see if the addition of components is performing as expected or not, you need to test the overall structure.

Developers will need to go through the design, debug, and testing phases while scaling the system, hence the need for observability.

4. Speeding Up Development And Deployment Of Code

The development of a robust system needs to go through the design, testing, deployment, and operation phase. Without an accurate observability tool, it’ll be time-consuming for the development team to find the system’s failure and overall impact.

It’s crucial to embrace the failure at every phase–from system design to implementation. The observability tool will ease debugging and improve your system’s performance. 

Final Thoughts

It’s crucial to continually improve and maintain your system. However, the system’s complexity can make it harder for developers to fix bugs and improve the system. Fortunately, observability helps developers to understand the problem without having to dig deep through the codebase.

Observability offers excellent benefits to developers, teams, and the business in general. This is because developers will have an easy time understanding the problem and developing the solution. In the case of the management team, they can deploy the codes at a quicker pace.

A complex system will always have a problem, which is why observability plays a crucial role in an organization, especially when it comes to maintaining and improving the system’s overall design.

Sony T
Sony is a passionate bloggers writes on Futuristic technologies ...

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