
How does MapReduce work for Big Data? All you need to know
How MapReduce processes large datasets in a Big Data environment, step by step, and what business benefits the Hadoop framework brings to companies.


How MapReduce processes large datasets in a Big Data environment, step by step, and what business benefits the Hadoop framework brings to companies.

Design principles for GenAI agents in retail: how GPT models and conversational AI make shopping more accessible, plus common development challenges.

What Databricks is, how its architecture and core features work, and when migrating your data engineering and analytics workloads to it makes sense.


Koalas brings the pandas API to Apache Spark. See how to move pandas code to Databricks and scale data analysis from a single machine to big data.
Zbigniew Pomianowski
How data engineering automates business processes: pipelines, storage, and transformation that enable real-time analytics, plus steps to implement it.
DS Stream
Discover how microservices revolutionize data engineering by replacing monolithic systems, boosting scalability, flexibility, and deployment efficiency.


Speed up Apache Spark jobs with efficient file formats, smart partitioning, data skew fixes, caching, and careful use of UDFs. Practical tips for big data.
Marcin Orliński
How to build ETL pipelines on Google Cloud, using Cloud Storage and BigQuery to extract, transform, and load data in secure, cost-efficient workflows.

Real-time big data analytics explained: how instant processing improves decisions and fraud detection, which industries use it, and what it delivers.
Laura Kszczanowicz
Business automation depends on data engineering. How pipelines, analytics and integration feed automated processes, with practical steps to get started.
DS Stream
Build a streaming pipeline that pulls Twitter data through the API, publishes it to Google Cloud Pub/Sub and processes it continuously with Apache Beam.
Pawel Jedrzejewicz

Data streaming tools compared: Kafka, Kinesis, Pub/Sub, Flink, and Spark Structured Streaming. See what each one does, when to pick it, and how to choose.