# mlflow

Published articles for mlflow.

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## Training Orchestrator: Unifying Model Training at Yelp

DevFeed: [Training Orchestrator: Unifying Model Training at Yelp](<https://devfeed.tech/articles/training-orchestrator-unifying-model-training-at-yelp-27429.md>)

Original publisher: [Read original article](<https://engineeringblog.yelp.com/2026/07/training-orchestrator-unifying-model-training-at-yelp.html>)

Author: Ying Wang and Nathan Sponberg, Software Engineer

Published: 2026-07-14T00:00:00Z

Content type: article

Language: en

Sources: [Yelp](<https://devfeed.tech/sources/yelp.md>)

Topics: [Machine Learning & Artificial Intelligence](<https://devfeed.tech/topics/machine-learning-artificial-intelligence.md>), [Orchestration](<https://devfeed.tech/topics/orchestration.md>), [Apache Spark](<https://devfeed.tech/topics/spark.md>), [Training AI Models](<https://devfeed.tech/topics/training-ai-models.md>), [Model Development](<https://devfeed.tech/topics/model-development.md>), [configuration](<https://devfeed.tech/topics/configuration.md>), [configuration-management](<https://devfeed.tech/topics/configuration-management.md>), [Monitoring](<https://devfeed.tech/topics/monitoring.md>)

Tags: [configuration](<https://devfeed.tech/tags/configuration.md>), [machine-learning](<https://devfeed.tech/tags/machine-learning.md>), [maintenance](<https://devfeed.tech/tags/maintenance.md>), [mlflow](<https://devfeed.tech/tags/mlflow.md>), [model-training](<https://devfeed.tech/tags/model-training.md>), [orchestration](<https://devfeed.tech/tags/orchestration.md>), [reproducibility](<https://devfeed.tech/tags/reproducibility.md>), [spark](<https://devfeed.tech/tags/spark.md>), [tooling](<https://devfeed.tech/tags/tooling.md>)

### AI overview

Yelp's Core Machine Learning Team developed Training Orchestrator to standardize how machine learning teams define and run Spark-based model training. The configuration-driven system addresses duplicated code, inconsistent configurations, limited local testing, scattered validation and monitoring, and poor reproducibility across environments.

### Source excerpt

At Yelp, we train many machine learning models on different schedules. Applied machine learning teams all have their own set of Spark-based training batches, scripts, and configurations. Over time, these diverged, leading to duplicated code, subtle inconsistencies, and a growing maintenance burden. Yelp's Core Machine Learning Team has developed excellent tooling across our ML ecosystem over the years: feature stores for reproducible data, a unified training library for neural networks and gradient-boosted trees, seamless Spark integration, and MLflow services for model tracking and deployment. But there was still one key piece missing right in the middle: a standardized way to...

## MLOps in Glassdoor: an à la carte approach

DevFeed: [MLOps in Glassdoor: an à la carte approach](<https://devfeed.tech/articles/mlops-in-glassdoor-an-a-la-carte-approach-22614.md>)

Original publisher: [Read original article](<https://medium.com/glassdoor-engineering/mlops-in-glassdoor-an-%C3%A0-la-carte-approach-b7b7703b5fd0?source=rss----288d984af747---4>)

Author: Zixin Wu

Published: 2022-01-12T00:42:43Z

Content type: article

Language: en

Sources: [Glassdoor Engineering](<https://devfeed.tech/sources/glassdoor-engineering.md>)

Topics: [MLOps](<https://devfeed.tech/topics/mlops.md>), [Machine learning](<https://devfeed.tech/topics/machine-learning.md>), [data](<https://devfeed.tech/topics/data.md>), [Software Engineering](<https://devfeed.tech/topics/software-engineering.md>)

Tags: [airflow](<https://devfeed.tech/tags/airflow.md>), [data](<https://devfeed.tech/tags/data.md>), [devops](<https://devfeed.tech/tags/devops.md>), [machine-learning](<https://devfeed.tech/tags/machine-learning.md>), [mlflow](<https://devfeed.tech/tags/mlflow.md>), [mlops](<https://devfeed.tech/tags/mlops.md>), [model-training](<https://devfeed.tech/tags/model-training.md>), [monitoring](<https://devfeed.tech/tags/monitoring.md>), [offline](<https://devfeed.tech/tags/offline.md>), [orchestration](<https://devfeed.tech/tags/orchestration.md>), [software-engineering](<https://devfeed.tech/tags/software-engineering.md>)

### AI overview

The article introduces Glassdoor's MLOps approach, explaining how machine-learning systems differ from traditional software because they depend on changing data, model training, data-centric evaluation, version tracking, and monitoring. It presents MLOps as the application of DevOps practices to ML systems through automation and monitoring.

### Source excerpt

Authors: Zixin Wu, Srinivasan Ramaraju Introduction Data Science and Machine Learning (ML) have become an essential toolkit for businesses to increase their competitiveness and provide greater value to their customers in recent years, largely thanks to the abundantly available large data sets, more cost-effective computation resources, and advancements in ML algorithms. In Glassdoor, we utilize ML to build intelligent products which help our job seekers find the jobs and companies they love. While ML can unlock new capabilities for businesses, it comes with its complexity and challenges compared to traditional software engineering, mainly due to data dependency and team skillset shift. Data dependency: a major reason for using ML approaches to build complex software is exactly because the desired behavior of the software is so complex that it's more efficient to be driven by data. This dependency brings new components in the software development process: Instead of simply compiling source codes, now the software (ML models) needs to be trained/retrained by (usually a large amount of) data before it can be used to serve clients Evaluation and test of ML model behaviors is data-centric and often involves offline experimentation Version tracking of ML models needs to consider both code and data changes The data could change over time due to various reasons, such as the way the data is collected or processed, or customer behavior changes which, in turn, could be driven by the effect of using the ML model. This essentially creates a hidden feedback loop. All these changes in data need to be monitored and acted accordingly. Team skillset: in many companies, the majority of the ML team members are data scientists or ML researchers, specialized in dealing with data and ML algorithms. However, to integrate an ML solution to existing systems and continuously operate it in production, many more components are needed besides ML model training and evaluation. Automating and stan