MLOps community meetup #58! Last Wednesday, we talked to Ben Wilson, Practice Lead Resident Solutions Architect, Databricks.
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Model Monitoring Deep Dive with the author of Machine Learning Engineering in Action. It was a pleasure getting to talk to Ben about difficulties in monitoring in machine learning. His expertise obviously comes from experience, and as he said a few times in the meetup, I learned the hard way over 10 years as a data scientist, so you don't have to!
Ben was also kind enough to give us a 35% off promo code for his book! Use the link: http://mng.bz/n2P5
//Abstract
A great deal of time is spent building out the most effectively tuned model, production-hardened code, and elegant implementation for a business problem. Shipping our precious and clever gems to production is not the end of the solution lifecycle, though, and many abandoned projects can attest to this. In this talk, we will discuss how to think about model attribution, monitoring of results, and how (and when) to report those results to the business to ensure a long-lived and healthy solution that actually solves the problem you set out to solve.
//Bio
Ben Wilson has worked as a professional data scientist for more than ten years. He currently works as a resident solutions architect at Databricks, where he focuses on machine learning production architecture with companies ranging from 5-person startups to global Fortune 100. Ben is the creator and lead developer of the Databricks Labs AutoML project, a Scala-and Python-based toolkit that simplifies machine learning feature engineering, model tuning, and pipeline-enabled modeling. He's the author of Machine Learning Engineering in Action, a primer on building, maintaining, and extending production ML projects.
//Takeaways
Understanding why attribution and performance monitoring are critical for long-term project success
Borrowing hypothesis testing, stratification for latent confounding variable minimization, and statistical significance estimation from other fields can help to explain the value of your project to a business
Unlike in street racing, drifting is not cool in ML, but it will happen. Being prepared to know when to intervene will help keep your project running.
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Timestamps:
[00:00] Introduction to Ben Wilson
[00:11] Ben's background in tech
[03:40] Human aspect of Machine Learning in MLOps
[05:51] MLOps is an organizational problem
[09:27] Fragile Models
[12:36] Fraud Cases
[15:21] Data Monitoring
[18:37] Importance of knowing what to monitor for
[22:00] Monitoring for outliers
[24:16] Staying out of Alert Hell
[29:40] Ground Truth
[31:25] Model vs Data Drift on Ground Truth Unavailability
[34:25] Benefit to monitor system or business-level metrics
[38:20] Experiment in the beginning, not at the end
[40:30] Adaptive windowing
[42:22] Bridge the gap
[46:42] What scarred you really bad?
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