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The Trouble with Models: Why They Fail and How to Monitor Them
The Trouble with Models: Why They Fail and How to Monitor Them

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The best way to avoid potential problems with your models is to monitor them closely. By following some simple best practices, you can ensure that your models are always running smoothly and accurately. This article will discuss some of the best ways to monitor your models and catch any potential issues before they cause serious damage.

 

What is model monitoring?

 

A model monitoring system is crucial to maintaining high-quality results from your models. By enabling you to:

  • Get real-time insights and alerts about performances issues
  • Monitor data characteristics for changes or inaccuracies 
  • Detect and debug anomalies in the system 
  • Initiate proactive actions to improve ML applications

 

 

Why is model monitoring important?

 

Model monitoring is essential to ensure that your models remain reliable and accurate as they grow in complexity. With the increasing reliance on AI-driven technology, it is important to have a system in place to catch any potential errors before they become costly mistakes.

Model monitoring allows you to find unnoticed patterns and correlations and track model performance and data so that you can use the information to make better models in the future. You can also make real-time adjustments as needed. Additionally, by continually monitoring your models, they will remain up-to-date and running properly, which yields optimal results.

 

Why do models fail?

 

AI/ML doesn’t always work as expected. Models can fail or experience degraded performance for a variety of reasons:

  • Data in production often differs greatly from data used to train a model.
  • Complex data pipelines and frequently updated models increase the number of failure points.
  • The underlying data-generating processes may change.
  • Sometimes a model becomes stale since the data used to build them is simply no longer relevant.
  • The product may be used in new markets or with new users, which can lead to data and/or concept drift.
  • There could be bugs or errors in models, ETL, or serving code.

For most teams, data is the primary reason why models fail or degrade in performance.

 

How do I monitor my models?

 

To ensure that your models are operating correctly and accurately, it is important to have a robust model monitoring process in place. This should include the following:

  • Regular checks: Regularly monitor performance metrics, accuracy, and other key indicators to ensure your model is running as expected.
  • Data Quality Checks: Collect data from various sources, compare it with previously collected data, and identify any discrepancies or irregularities.
  • Debugging: Identify and inspect errors in the system to pinpoint the cause and take corrective action.
  • Alerts: Set up automated alerts to identify issues as they occur and immediately address them before they become serious problems.

 

What are some tips for effective model monitoring?

 

  • Monitor performance metrics: Regularly check and track key performance indicators such as accuracy, precision, recall, and F1 score to ensure your models deliver the desired results.
  • Analyze data drift: Use a system to monitor changes in your data and detect any changes that can impact model performance.
  • Automate monitoring: Utilize automated tools to set up alerts when thresholds are crossed, or errors occur. Automation can save time and help ensure accuracy in data analysis.
  • Test models regularly: It is important to test them regularly to ensure they perform as expected. Testing should include offline and online tests to assess your model's performance in both scenarios.
  • Connect with pre-production workflows and production: By connecting model monitoring with pre-production workflows and production models, you can more quickly identify the root causes of issues and find resolutions.
  • Use a feedback loop: Feedback loops enable continuous improvement by providing feedback on how models perform over time. This allows for quick identification and correction of issues that arise to maintain consistent results.

 

Conclusion

 

Model monitoring is an essential part of any successful machine-learning project. By following these tips, you can ensure your models are delivering accurate and reliable results while avoiding potential problems. Regularly monitoring your models will help you identify issues quickly and take corrective action before they become serious problems. This will enable you to keep your models up-to-date, running smoothly, and delivering optimal results for your customers.

 


About the author:

Novneet Majhi, DevOps Engineer, Katonic.ai

Novneet is part of the technical team at Katonic and leads the development of platform features like model monitoring along with cluster maintenance and model deployment. In his previous role as a full-stack developer, he has made significant contributions toward the development and implementation of new features. He is passionate about Kubernetes, CI/CD, monitoring & automation.


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