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Machine Learning Operations

Choosing the Right Machine Learning Operations (MLOps) Platform

Considerations for selecting tools to accelerate and optimize machine learning development

Machine learning (ML) can provide outsized returns when organizations apply it to solve business problems or innovate products and services. Organizations can also improve operations and productivity with continuous improvement cycles.

Building machine learning programs can be a bit messy and rife with potential pitfalls. It takes a coordinated and consistent effort to build, test, iterate, and deploy high-performing ML algorithms.

Optimizing your process, so you can iterate, collaborate, and reproduce high-quality results to build better models faster. An important part of refining your ML algorithms is reproducibility. You need a standardized approach for efficient experimentation for the development of production-ready machine learning models.

In this guide, we will cover the basics of machine learning development and MLOps, how to choose the right platform, and questions to ask your MLOps platform provider.

Table of Contents

Introduction: Will this guide be helpful to me?

This guide will be helpful to you if you are:

  • Building and training machine learning models and want to accelerate or optimize that process.
  • Evaluating MLOps platforms or tools and want to understand how they can help you and your team.
  • Learning about machine learning operations and want to understand how ML development can be improved with the right tools.

The Basics: MLOps and Machine Learning Development

What is MLOps?

MLOps is shorthand for machine learning operations, a set of best practices for organizations to build, test, validate, and deploy ML models successfully. It encompasses the entire development cycle for machine learning models from data collection to deployment to production.

MLOps tools and practices help guide the creation and quality of ML and AI while allowing engineers to collaborate efficiently and increase the pace of model development and production. It provides the framework for continuous integration and continuous deployment (CI/CD) practices that allow for controlled experimentation to train models with the proper monitoring, validation, and governance required.

What is the difference between DevOps and MLOps?

While following a similar trajectory, DevOps focuses on the development, testing, and operational components involved in software development. Its principal goals include the automation of processes, continuous delivery of products, and feedback loops to continue iteration. Rather than quarterly or annual updates, DevOps sets the table for continuous delivery whenever enhancements or refinements are ready for release.

By comparison, MLOps streamlines the machine learning lifecycle from start to finish to bridge the gap between design, modeling, and operations. Commonly in machine learning development, model development and operations are separate processes handled by separate teams. This requires a handover with manual steps that can introduce human error and produce long cycle times.

With MLOps, the process of data collection, preprocessing, model training, evaluating, and deployment are unified in a single workflow to facilitate collaboration and communication. Similar to how the DevOps process works for software, MLOps facilitates a seamless workflow for how production models for ML and AI are developed, deployed, and optimized.

How to Choose an MLOps Platform

What is an MLOps platform?

An MLOps platform is a tool that provides data scientists and engineers with a collaborative environment to manage the entire MLOps lifecycle. It can ease stages of the ML development process by providing management, collaboration, and optimization features relating to operational aspects of the machine learning lifecycle to accelerate and improve the development process. MLOps enables shorter cycle times even for complex machine learning projects that require complex steps.

In a traditional data science environment, data scientists typically have a single objective and search for a single solution for complex problems. With MLOps, multiple solutions are applied, which requires multiple adjustments to the approach. An MLOps platform significantly speeds this iteration and experimentation cycle to reach a stable state for production.

What is machine learning lifecycle management?

MLOps management allows you to manage the entire process across the AI lifecycle for production, including:

  • Data collection and input streams
  • Data ingest
  • Data analysis and curation
  • Annotating and labeling data
  • Data verification
  • Data preparation

Once data is ready, the next phase begins, including:

  • Model training, using AI algorithms to create the models
  • Model evaluations based on test sets and key performance indicators (KPIs)
  • System validation

And finally:

  • System deployment to production.

Because MLOps features a (CI/CD) process similar to DevOps, at the end of one cycle, the iteration and refinement process loops back to the beginning to improve future performance and deep learning models.

Best Practices

The rapid growth of the AI and machine learning market have spawned a plethora of startups. AI and ML were already a $1.41 billion industry at the start of 2021 and expected to grow to $20 billion by 2025.

With such explosive growth, data scientists have the choice of using best-of-breed solutions or end-to-end platforms but it’s become increasingly difficult to know which startups or platforms to use and whether they will integrate with your systems.

Best-of-Breed versus End-to-End Platforms

The lifecycle of machine learning solutions is very complex, which means you might sacrifice some functionality with an end-to-end platform. However, using best-of-breed solutions means you have to integrate multiple platforms and systems. Will they all work together seamlessly? It can take a lot of experimentation and expense to figure out.

While a best-of-breed solution may offer some advanced functionality, you also have to be worried about what happens if one of these solutions you piece together no longer functions or the startup behind it goes out of business. Will your entire tech stack still function? Can you plug in a replacement? Will the replacement integrate seamlessly with the rest of your tech stack?

With an end-to-end platform, you know that everything will work together. End-to-end platforms can be helpful for organizations that want to tie their MLOps to a single vendor for ease of implementation. The drawback of working with end-to-end products, however, is that they can lock you into that vendor’s process and tools.

Ultimately, however, whether to use multiple best-of-breed solutions or a comprehensive MLOps platform is a decision every organization will have to make for itself.

Which Platform Works Best for Your Use Case?

Which platform works best will depend on your use case. You need different capabilities depending on the use case you envision. For example, testing a proof of concept requires data preparation, feature engineering, model prototyping, and validation using experimentation and data processing. However, if you require frequent retraining, such as is used in fraud detection, you need ML pipelines to connect additional steps like data extraction and preprocessing in addition to model training.

When evaluating MLOps platforms, you should first define your use case to ensure any platform you are evaluating has the right features to support your needs.

About CI/CD for Machine Learning

Continuous integration and continuous deployment CI/CD can be applied to any software development/deployment lifecycle, including ML. Because machine learning models only provide value once they reach production, employing CI/CD can reduce the time it takes to see a return on your machine learning investment. You get your product to market more quickly and provide incremental refinements.

With an end-to-end MLOps platform, you can streamline your CI/CD process.

Best Practices

Machine learning is iterative and complex by nature, but the complexity isn’t limited to the data science behind the technology. Efficient ML deployment requires efficient processes, teamwork, and communication. Successful machine learning teams need to be highly functional when it comes to key components, such as:

  • The visibility to view, access, and react to ML processes and deliverables.
  • The ability to reproduce processes and achieve the same outcomes.
  • Collaboration across multiple work units and teams.
You can also learn more about best practices for MLOps, including real-world case studies, with our on-demand webinar: Lessons from the Field in Building Your MLOps Strategy. The webinar answers three key questions:

  • When to start implementing MLOps.
  • How to manage the implementation.
  • How to measure the value of your MLOps strategy.

Questions to Ask Your MLOps Provider

Data science can drive your business forward in multiple ways by leveraging people, processes, and technology.

Organizations that invest in MLOps and other data science initiatives see significant gains.

An investment in MLOps should lead to demonstrable improvements. When discussing ML solutions with a provider, ask for case studies that demonstrate ROI and impact along with references from current clients that can talk about workflow and ease-of-use.

You should also ask targeted questions to ensure you understand the benefits and limitations of any MLOps provider across these areas.

Model Metadata Storage and Management

  • What infrastructure is necessary and will it integrate with my current workflow?
  • Can you customize the metadata structure?
  • Can you version and reproduce models and experiments with a complete model lineage?
  • Can you customize the UI and visualizations?
  • Can you use it inside orchestration and pipeline tools?

Data and Pipeline Versioning

  • How is data modality supported and can you see previews of tabular data?
  • Can you compare diverse datasets?

Hyperparameter Tuning

  • How easily can I integrate hyper-parameter optimization to my code base?
  • Can it be run in a distributed infrastructure?
  • Can you stop trials that do not appear promising?
  • What happens when trials fail on parameter configurations?
  • Can you distribute training on multiple machines?
  • Can you visualize sweeps?

Orchestration and Workflow Pipelines

  • Can you abstract away execution to any infrastructure?
  • Can you speed up pipeline execution by caching outputs in intermediate steps and only running specific steps?
  • Can you rerun steps that failed without crashing the entire pipeline?
  • Can you schedule pipeline execution based on events or time?
  • Can you visualize the pipeline structure?

Model Deployment

  • Is there a limit to infrastructure scalability?
  • Do you have built-in monitoring functionality?
  • What compatibility do you have with model packaging frameworks and utilities?

Production Model Monitoring

  • How do you monitor input data, feature, concept, or model drift?
  • How easy it is to connect to model serving tools?
  • Can you compare multiple models that are running simultaneously?
  • Do you provide automated alerts if someone goes awry?

Our Approach

Comet provides a cloud-based or self-hosted meta machine learning platform so data scientists can track, compare, explain, and optimize experiments and models. This allows you to support your development strategy whether you’re working on-premises servers or using a private cloud or hybrid solution.

Comet allows you to manage and optimize models across the entire ML lifecycle from experiment tracking to monitoring models in production. This accelerates development so you can drive business value faster and meet the demands of enterprise teams by deploying machine learning at scale.

Fast Integration

Comet allows for fast integration by adding just a few lines of code to your script or notebook to start tracking experiments. It works whenever you run your code with any machine learning library and for any machine learning task.

Compare Experiments

With Comet, you can easily compare experiments to compare the differences in model performance. You can compare:

  • Hyperparameters
  • Metrics
  • Predictions
  • Dependencies
  • And more

Monitor, Alert, and Debug

You can monitor your models in every step from training to production. If something doesn’t perform properly, you get alerts so you can debug your models.

Workspace, Reporting, and Visualization

You also get transparency into your entire lifecycle allowing collaboration by data scientists, data team members, and business stakeholders. You can also build custom interactive visualizations with real-time displays.

Frequently Asked Questions (FAQs)

An MLOps platform is an end-to-end platform for data engineers, data scientists, and data managers to manage the entire machine learning and deep learning production lifecycle. Besides streamlining and automating the ML lifecycle, MLOps platforms also monitor performance and operational issues and establish cross-functional governance for auditing and real-time access control.

MLOps stands for machine learning operations. It encompasses the process for developing, training, and deploying machine learning and AI solutions and combines the continuous integration and continuous deployment (CI/CD) practices used in DevOps.

MLOps was first proposed in 2015 in a paper titled “Hidden Technical Debt in Machine Learning Systems” that delved into ways to reign in massive ongoing costs for ML and AI development and ongoing maintenance. Machine learning models have traditionally been complex and expensive to implement because of technical debt and data silos.

Such technical debt has been a major reason why so many machine learning and data science projects fail short of production. As late as 2019, VentureBeat reported that 87% of projects never made it past the experimentation stage. Today, MLOps allows for a more seamless solution to accelerate ML development.

DevOps is used in software development to reduce the barriers between development and operations. DevOps brings together the people, processes, and technology required to coordinate the development of software and eliminate the silos that often separate teams.

By encompassing the entire software development lifecycle, DevOps brings together the planning, development, deployment, and operation phases of projects to provide CI/CD. DevOps helps to:

  • Accelerate time to market
  • Iterate and deploy quickly
  • Maintain system stability and reliability
  • Improve mean time to recovery

MLOps follows a similar structure and applies it to the development of machine learning models in AI applications. MLOps manages the entire ML lifecycle and provides several benefits including:

  • Creation of reproducible workflows and models
  • Deployment of high-precision models
  • End-to-end resource management and control
  • Rapid innovation and experimentation

Comet is one of the most popular MLOps platforms for teams deploying machine learning algorithms. Trusted by tens of thousands of data scientists across the Fortune 100, including companies like Uber, Autodesk, Zappos, and Ancestry. A self-hosted or cloud-based machine learning platform, Comet includes a Python library that allows data engineers to integrate code and manage the entire MLOps lifecycle across your entire project portfolio.

MLOps platforms for managing model lifecycles include:

  • Aim
  • Comet
  • Guild AI
  • Keepsake
  • Mlflow
  • ModelDB
  • Neptune AI
  • Replicate
  • Sacred

If you search for MLOps tools online, you can find plenty of options, but many of these platforms specialize in data preparation, model building, or production rather than an end-to-end MLOps solution.

There are also cloud MLOps platform tools, such as Azure ML, AWS SageMaker, and Google Cloud Vertex.

According to the open-source foundation, Social Good Technologies, MLOps is made up of these eight steps:

  1. Data Collection
  2. Data Processing
  3. Feature Engineering
  4. Date Labelling
  5. Model Design
  6. Training
  7. Optimization
  8. Deployment and Monitoring

MLOps tools run the gamut across the entire MLOps lifecycle, including:

  • AutoML
  • Cron Jobs
  • Data Cataloging
  • Data Exploration
  • Data Management
  • Data Processing
  • Data Validation
  • Hyperparameter Tuning
  • Machine Learning Platforms
  • Model Interpretability
  • Model Lifecycle Management
  • Model Serving
  • Optimization and Simplification Tools
  • Visual Analysis/Debugging
  • Workflow Tools

Github has a great resource page if you want to dig deeper into any of these categories.

There are plenty of MLOps tools that utilize open-source software. However, you need to be careful when evaluating different tools. Some platforms only provide open source solutions for some components while controlling other aspects with proprietary software.

The CI/CD process is the continuous integration and continuous deployment (or continuous delivery) of software throughout its lifecycle. Using a consistent way to build, package, and test applications, CI/CD provides a mechanism for integrating code across platforms and tools. Teams can launch apps and then continue to iterate and grow feature sets more seamlessly.

The continuous delivery is automated as changes are made to the code base. CI/CD tools store parameters for each platform and the automation handles the required updates and service calls to web servers, databases, APIs, and any other procedures necessary upon deployment.

A Kubeflow pipeline is a platform for building and deploying ML workflows. Kubeflow pipelines are portable and scalable for use in the Kubernetes environment. This allows developers to take advantage of open-source solutions for machine learning across various environments such as developing, testing, and production-level serving.

Kubeflow is an efficient way to build and test ML pipelines. It allows data scientists to specify the machine learning tools required within the workflow and then test it in local, cloud, or on-prem platforms for production use or experimentation. It translates the steps within the workflow into Kubernetes jobs with a cloud-native interface including your ML libraries, frameworks, notebooks, and pipelines.

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