775 tutorials · free to read
A working handbook for data and software engineering.
Hands-on tutorials by Alex Merced on Apache Iceberg, the data lakehouse, pipelines, agentic AI, and the languages and tools that hold it all together.
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Latest tutorials
Page 4 of 130- 01What to Assert When You Test an Iceberg PipelineFixtures, in-memory catalogs, and golden metadata: the assertions that catch wrong rows, unsafe reruns, schema drift, and concurrent-write corruption in CI.Data EngineeringSep 10, 2026
- 02The 2026 Iceberg REST Catalog Compatibility ReportA repeatable test for what an Iceberg REST catalog actually serves, a scoring scheme that separates design from breakage, and the 2026 evidence across seven catalogs.Apache IcebergSep 10, 2026
- 03Serving Iceberg Tables From Two RegionsThree multi-region topologies that work and one that mostly does not, what an Iceberg commit costs across regions, and where the catalog has to live.Apache IcebergSep 10, 2026
- 04How Iceberg Catalogs Hand Engines Storage AccessCredential vending end to end: the wire protocol, scoped access on each cloud, remote signing, credential lifetime on long jobs, and failures that look like bugs.Data SecuritySep 10, 2026
- 05Kafka Connect to Iceberg: How the Commit Actually WorksExactly-once semantics in the Iceberg sink connector: the coordinator, the control topic, offsets stored inside Iceberg snapshots, and where duplicates still get in.StreamingSep 10, 2026
- 06The Open Lakehouse Explained, Then Built on Your Laptop with Dremio and MinIOThe five layers of the open lakehouse explained, then a lab: Parquet, Iceberg, Polaris, Arrow, and Ossie running in two containers on your own machine.Lakehouse ArchitectureSep 10, 2026