Building scalable models with Azure MLOps is a game-changer for data scientists and machine learning engineers. By automating the machine learning lifecycle, you can speed up model development, improve collaboration, and reduce costs.
Azure MLOps provides a range of tools and services that make it easier to build, deploy, and manage machine learning models at scale. With Azure Machine Learning, you can create, train, and deploy models in a single platform.
One of the key benefits of Azure MLOps is its ability to handle large datasets and complex models with ease. This is thanks to the power of Azure's cloud infrastructure, which provides access to vast amounts of compute resources and storage.
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Getting Started
Getting Started with Azure MLOps is a breeze, thanks to the Azure MLOps framework solution. It helps data scientists and machine learning engineers operationalize machine learning operations on the Azure cloud platform.
The Azure Machine Learning service provides a standard interface for managing machine learning pipelines, making it a go-to choice for many organizations. This interface streamlines the process, allowing data scientists to focus on what they do best – building and deploying models.
With Azure Machine Learning, you can easily manage your machine learning pipelines, which is a huge time-saver and reduces the risk of errors.
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What Is?
MLOps is a process that combines machine learning and continuous software development to provide scalable and reusable solutions to data scientists' ML modeling tasks.
It automates ML lifecycle processes at the production level, allowing DevOps developers to deploy machine learning algorithms that meet businesses' requirements over time.
The MLOps system streamlines the machine learning lifecycle, enabling ML engineers to ensure that their work meets business applications and closes the gap between development and production.
Azure MLOps is a service that uses Azure Services to implement MLOps, making it easier for data scientists and ML engineers to manage the ML lifecycle.
With Azure, you can prepare, train, test, and deploy machine learning models, and manage the MLOps as per your requirements.
Azure ML provides an array of asset management tools for managing the ML lifecycle, from model training to deployment workflow.
You can create models in the Azure Machine Learning workspace or use popular Python libraries like Tensorflow and PyTorch.
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The Why and How
Getting Started with Azure MLOps requires understanding the Why and How of MLOps.
MLOps combines machine learning and continuous software development to provide scalable and reusable solutions to data scientists' ML modeling tasks. This process can be implemented to automate ML lifecycle processes at the production level.
The Azure MLOps framework solution helps data scientists and machine learning engineers operationalize machine learning operations on the Azure cloud platform through the Azure Machine Learning service. Azure Machine Learning service provides a standard interface for managing machine learning pipelines.
Imagine that you have researched and built a machine-learning model that meets the client's expectations in terms of both accuracy and model performance. Next, to put the model to use, you deploy it into production. The process and workflow can now have several questionable and potentially disastrous modeling practices, but even if we ignore those, the deployed model will face many hurdles too.
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The deployed model will face several challenges such as data drift, newer models becoming available, and the need to update the model with new data. Following a machine-learning operations pipeline will help address these concerns and commit to a long-term machine-learning solution.
With MLOps features, ML engineers can set up experiment tracking, model monitoring, model training, trigger retraining based on model behavior and data drift, unit tests and integration tests, version control, tracking model performance, and with continuous integration, make sure that deployed ML model stays relevant and reliable with time.
Here are some key MLOps features:
- Experiment tracking
- Model monitoring
- Model training
- Retraining based on model behavior and data drift
- Unit tests and integration tests
- Version control
- Tracking model performance
- Continuous integration
Azure offers Azure Machine Learning, an AI service designed especially for the end-to-end implementation of ML use cases. This service integrates lots of tools that work together perfectly and cover the main needs of enterprise-level ML use cases: data preparation, building and training ML models, validation and deployment, and monitoring.
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Capabilities
Azure MLOps provides a wide range of capabilities to streamline the machine learning process. It allows for the creation of reproducible machine learning pipelines to define repeatable and reusable steps for data preparation, training, and scoring processes.
With Azure MLOps, you can create reusable software environments for training and deploying models. This is especially useful for data scientists who need to work with different projects and datasets.
Azure MLOps enables the registration, packaging, and deployment of models from anywhere, along with tracking associated metadata required to use a model. This ensures that models are properly documented and can be easily reused.
Here are some of the key capabilities of Azure MLOps:
- Create reproducible machine learning pipelines
- Create reusable software environments for training and deploying models
- Register, package, and deploy models from anywhere
- Log lineage data for machine learning lifecycle governance
- Notify and alert on machine learning lifecycle events
- Monitor operational and machine learning-related issues
- Automate the end-to-end machine learning lifecycle
Azure MLOps also provides a robust tracking system, allowing you to track experiment results, logs, and metrics in real-time. This ensures that you can easily reproduce and compare results across different experiments.
With Azure ML Designer, you can build a machine learning pipeline in its entirety using an interactive GUI. This makes it easy to create complex pipelines without writing code.
Automated ML from Azure Machine Learning takes the data and finds the best set of models or a single model that works best for you. This saves hundreds of hours from machine learning engineers and data scientists that can be devoted to data exploration and data engineering instead.
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Deployment
Deployment is a crucial step in the Azure MLOps process, where you make your trained models available for use. You can deploy models as endpoints locally or in the cloud, using CPUs and GPUs for inferencing.
To deploy a model as an endpoint, you need to provide the model used to score data, an entry script, an environment, and any other assets required by the model and entry script. Fortunately, when deploying an MLflow model, you don't need to provide an entry script or an environment.
You can deploy your model using Azure Pipelines, by creating a new pipeline and selecting the repository that contains your model. The pipeline will automatically configure the infrastructure and create an image with the required components, such as assets needed to run the web service.
Registration, Deployment
Registration and deployment are crucial steps in the machine learning lifecycle. You can use Azure Machine Learning to register, package, and deploy models from anywhere.
To deploy a model as an endpoint, you need to provide the model used for scoring, an entry script, an environment, and any other assets required by the model and entry script. This process can be automated using tools like MLflow.
Here are the steps to deploy a model to an online endpoint:
- Go to ADO pipelines and select New Pipeline.
- Select Azure Repos Git and the repository cloned from the previous section mlopsv2.
- Select Existing Azure Pipelines YAML file and choose the deploy-online-endpoint-pipeline.yml file.
- Change the online endpoint name to a unique name and run the pipeline.
You can also use Azure Machine Learning's endpoints functionality to create an endpoint and deploy one or more models to it. This process can be automated using a Python script that checks for the existence of an endpoint and creates a new deployment if necessary.
To deploy a model to an online endpoint, you need to provide the model or ensemble of models, dependencies required to use the model, and deployment configuration. This can be done using Azure Machine Learning's online endpoints feature.
Here's a comparison of the information required to deploy a model to an online endpoint and a batch endpoint:
In conclusion, registration and deployment are critical steps in the machine learning lifecycle. By following the steps outlined above, you can deploy your models to online or batch endpoints using Azure Machine Learning.
Create Service Principal
To create a service principal, you'll need to decide how many environments you want to work on, such as Dev or Prod or both. You can create one or two service principles, depending on your needs.
You can create a service principal using either the Azure Cloud Shell or the Azure portal. If you choose the Azure Cloud Shell, you'll be prompted to create a storage account the first time you launch it.
To create a service principal using the Azure Cloud Shell, follow these steps:
1. Launch the Azure Cloud Shell and choose Bash as the environment.
2. Copy the following bash commands to your computer and update the projectName, subscriptionId, and environment variables with the values for your project.
3. Run the script in the Azure Shell to create a service principal for each environment.
4. Save the information related to the service principal, including the application ID, display name, password, and tenant.
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Alternatively, you can create a service principal using the Azure portal. To do this, navigate to Azure App Registrations, select New Registration, and follow the process to create a service principle. You'll need to select Accounts in any organizational directory and name it Azure-ARM-Dev-ProjectName or Azure-ARM-Prod-ProjectName.
To assign the necessary permissions to the service principal, select your subscription and go to IAM. Select +Add, then select Add Role Assignment, and add the member as the service principal. You'll need to repeat this step for each service principal you create.
Here's a summary of the steps to create a service principal:
- Decide on the number of environments you want to work on.
- Choose a method to create the service principal, either the Azure Cloud Shell or the Azure portal.
- Update the projectName, subscriptionId, and environment variables in the bash commands.
- Run the script to create a service principal for each environment.
- Save the information related to the service principal.
- Assign the necessary permissions to the service principal in the Azure portal.
Governance and Security
Governance and Security is a crucial aspect of Azure MLOps. Azure Machine Learning gives you the capability to track the end-to-end audit trail of all your machine learning assets by using metadata.
Azure Machine Learning provides robust security features, such as role-based access control (RBAC), which enables fine-grained permissions and grants authorized users tailored levels of access. This ensures that only authorized users can access and manage machine learning assets.
Some key features of Azure Machine Learning's governance and security include:
- Azure Machine Learning data assets help you track, profile, and version data.
- Model interpretability allows you to explain your models, meet regulatory compliance, and understand how models arrive at a result for a given input.
- Azure Machine Learning job history stores a snapshot of the code, data, and computes used to train a model.
- Azure Machine Learning model registration captures all the metadata associated with your model.
- Integration with Azure lets you act on events in the machine learning lifecycle, such as model registration, deployment, data drift, and training job events.
Azure Machine Learning workspace also aligns with compliance standards such as GDPR and HIPAA, providing the framework to navigate intricate regulatory landscapes. This ensures that your machine learning solutions are not only secure but also compliant with industry regulations.
Metadata for Governance
Metadata for Governance is a crucial aspect of machine learning lifecycle governance. Azure Machine Learning gives you the capability to track the end-to-end audit trail of all your machine learning assets by using metadata.
Azure Machine Learning data assets help you track, profile, and version data. This ensures that you have a clear understanding of your data at all times.
Model interpretability allows you to explain your models, meet regulatory compliance, and understand how models arrive at a result for a given input. This is a game-changer for organizations that need to be transparent about their decision-making processes.
Azure Machine Learning job history stores a snapshot of the code, data, and computes used to train a model. This is a lifesaver for debugging purposes.
Azure Machine Learning model registration captures all the metadata associated with your model. This includes information such as which experiment trained the model, where the model is being deployed, and whether the model deployments are healthy.
Some information on models and data assets is automatically captured, but you can add more information by using tags. Tags can be used as filters when looking for registered models and data assets in your workspace.
Security and Compliance
Security and compliance are crucial aspects of governance in machine learning operations. Azure Machine Learning workspace offers a robust fortress of security features to safeguard both data and models.
Role-based access control (RBAC) is a fine-grained permission system that grants authorized users tailored levels of access. This ensures that only the right people can access and modify sensitive information.
Encryption at rest and in transit is a critical security measure that shields data from unauthorized access during storage and transmission. This is especially important for sensitive data that requires high levels of protection.
Azure ML workspace aligns with compliance standards such as GDPR and HIPAA, providing a framework to navigate intricate regulatory landscapes. This ensures that your machine learning solutions adhere to stringent ethical standards.
DevOps Authentication Setup
To set up DevOps authentication, you need to start by navigating to Azure DevOps. Select create a new project and name it mlopsv2 for this tutorial.
To create a service connection, go to Project Settings and select Service Connections. From there, select Create Service Connection and choose Azure Resource Manager.
You'll need to select Next and then choose Service principal (manual) to proceed. After that, select Next and choose the Scope Level Subscription.
Name the service connection Azure-ARM-Prod and select Grant access permission to all pipelines. Verify and Save to complete the setup.
DevOps and Automation
Machine learning lifecycle automation is a game-changer, and Azure Pipelines make it possible. You can use Git and Azure Pipelines to create a continuous integration process that trains a machine learning model, starting the training job automatically when a data scientist checks a change into a project's Git repository.
The Machine Learning extension for Azure Pipelines provides enhancements such as enabling Azure Machine Learning workspace selection when defining a service connection and enabling trained model creation in a training pipeline to trigger a deployment.
Automated testing is a crucial part of the machine learning lifecycle, ensuring that models perform reliably in various scenarios. You can create test datasets that represent real-world scenarios, define evaluation metrics, and run the entire model pipeline using test data to verify the final predictions.
Azure Machine Learning environments ensure that builds are reproducible without using manual software configurations, tracking and reproducing pip and conda software dependencies for your projects. You can use environments for model training and deployment.
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Azure DevOps provides a comprehensive version control system that empowers data teams to collaborate seamlessly, track changes, and revert to previous states when needed. With Git repositories at its core, Azure DevOps enables data scientists and developers to commit code changes, manage branches, and merge contributions effortlessly.
Azure DevOps harmonizes the power of Git's version control with seamless integration into the machine learning lifecycle, enabling teams to traverse the intricate landscape of versioning with precision and efficiency.
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Pipeline and Deployment Scenarios
Azure MLOps offers a range of pipeline and deployment scenarios to help you streamline your machine learning workflow. You can use Azure Machine Learning pipelines to stitch together all the steps in your model training process, including data preparation, feature extraction, hyperparameter tuning, and model evaluation.
The Azure Machine Learning studio Designer allows you to clone a pipeline to iterate over its design without losing your old versions. To clone a pipeline, select Clone in the top menu bar.
Azure Machine Learning can use MLOps from anywhere to register, package, and deploy models. This makes it easy to deploy your trained models to online endpoints for real-time scoring.
Here are the key steps to deploy a model to an online endpoint:
- The model or ensemble of models.
- Dependencies required to use the model, for example, a script that accepts requests and invokes the model and conda dependencies.
- Deployment configuration that describes how and where to deploy the model.
Reproducible Pipelines
Reproducible Pipelines are a crucial aspect of machine learning, and Azure Machine Learning has made it incredibly easy to achieve. You can use Azure Machine Learning pipelines to stitch together all the steps in your model training process, including data preparation, feature extraction, hyperparameter tuning, and model evaluation.
Cloning a pipeline is a game-changer, allowing you to iterate over its design without losing your old versions. To clone a pipeline, simply select Clone in the top menu bar.
Having a reproducible pipeline means you can easily test different versions of your model and compare their performance. This is especially useful when you're trying to identify the best approach for your specific problem.
With Azure Machine Learning, you can define a pipeline in a separate Python file, which makes it easy to connect inputs to outputs and register new versions of your model. This is a huge advantage, as it allows you to track changes and improvements to your model over time.
By using Azure components, you can maintain your ML steps separately, which makes the process conceptually easier to grasp and simplifies debugging. This modularity also allows you to isolate execution environments and track execution times and logs for each component.
Deploying Training Pipeline
Deploying the Training Pipeline is a crucial step in the MLOps process. You can deploy the pipeline using Azure DevOps Pipelines.
To deploy the pipeline, you need to create a new pipeline in Azure DevOps Pipelines. Select Azure Repos Git as the source and choose the repository that contains the pipeline code. Then, select the existing Azure Pipelines YAML file that defines the pipeline.
The pipeline code is split into different Python files that perform different tasks, such as imputation, normalization, and feature selection. These files are designed to be transformed into Azure components, which adds extra syntax around the ML logic.
You can define the Azure ML pipeline by importing the individual files and connecting inputs to outputs. The data source is specified in this file, and the pipeline is submitted to Azure Machine Learning. The components are registered, and a new version is created every time they change.
Here's a step-by-step guide to deploying the pipeline:
- Go to Azure DevOps Pipelines and select New Pipeline.
- Select Azure Repos Git as the source and choose the repository that contains the pipeline code.
- Select the existing Azure Pipelines YAML file that defines the pipeline.
- Save and Run the pipeline.
Once the pipeline is deployed, you'll have a new model registered in Azure, fully trained and tested, with all the related information properly registered and easily accessible.
Best Practices and Maturity
Understanding your organization's maturity level in Azure MLOps is crucial to implementing the right features in your project. You can determine this by looking at the MLOps maturity model.
The MLOps maturity model helps you identify where your data science team or organization stands in terms of Azure MLOps features. This allows you to tailor your project to the level of maturity you've achieved.
By understanding your organization's maturity level, you can focus on incorporating the right features into your project. This ensures that you're using Azure MLOps to its full potential.
The Azure MLOps maturity model provides a clear guideline for what features to incorporate at each level of maturity. This makes it easier to plan and implement your project.
Frequently Asked Questions
What is the difference between Azure MLOps and DevOps?
Azure MLOps focuses on streamlining machine learning development, testing, and deployment, while Azure DevOps integrates programming, testing, and deployment for web apps and software. Understanding the difference between these two is key to optimizing your cloud-based projects.
What tool in Azure is best suited for doing MLOps?
For MLOps, Azure Databricks is a top choice for its standardized process and scalable architecture, enabling seamless model deployment from development to production. It streamlines machine learning operations, making it easier to move models into production.
Sources
- https://learn.microsoft.com/en-us/azure/machine-learning/concept-model-management-and-deployment
- https://learn.microsoft.com/en-us/azure/machine-learning/how-to-setup-mlops-azureml
- https://www.projectpro.io/article/azure-mlops/691
- https://www.clearpeaks.com/end-to-end-mlops-in-azure/
- https://www.datumo.io/blog/mlops-on-azure
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