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Apache Data Lakehouse Weekly: July 1 to July 8, 2026

Apache Data Lakehouse Weekly: July 1 to July 8, 2026

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24 min read
"A Fair Coin Isn't Enough: When a Perfectly Randomized Experiment Is Impossible to Analyze"

"A Fair Coin Isn't Enough: When a Perfectly Randomized Experiment Is Impossible to Analyze"

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6 min read
How do I answer "what did my data look like last month" in Postgres?

How do I answer "what did my data look like last month" in Postgres?

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4 min read
You Don't Need to Scrape BORME: Spain's Company Registry Has an Open-Data API

You Don't Need to Scrape BORME: Spain's Company Registry Has an Open-Data API

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3 min read
3 Staff Engineers Couldn't Pass This Single DE Job Posting

3 Staff Engineers Couldn't Pass This Single DE Job Posting

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6 min read
The State of Apache Polaris in July 2026: From Incubating Catalog to the Governance Layer of the Open Lakehouse

The State of Apache Polaris in July 2026: From Incubating Catalog to the Governance Layer of the Open Lakehouse

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22 min read
The State of Apache Parquet in 2026: The Quiet Format Enters Its Loudest Decade

The State of Apache Parquet in 2026: The Quiet Format Enters Its Loudest Decade

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21 min read
Delete Files vs Deletion Vectors in Apache Iceberg: How V3 Rewrote the Economics of Changing Data

Delete Files vs Deletion Vectors in Apache Iceberg: How V3 Rewrote the Economics of Changing Data

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22 min read
The State of Apache Iceberg v4 in July 2026: What the Dev List Tells Us About the Format's Next Chapter

The State of Apache Iceberg v4 in July 2026: What the Dev List Tells Us About the Format's Next Chapter

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22 min read
bronze, silver, and gold standard data vault 2.0

bronze, silver, and gold standard data vault 2.0

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8 min read
Day 67 of #100DaysOfClickHouse: Securing ClickHouse® with SSL/TLS and LDAP Authentication

Day 67 of #100DaysOfClickHouse: Securing ClickHouse® with SSL/TLS and LDAP Authentication

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5 min read
Your Data Pipeline Is Probably More Fragile Than You Think

Your Data Pipeline Is Probably More Fragile Than You Think

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4 min read
OLTP vs OLAP : Understanding the Foundation of Modern Data Systems

OLTP vs OLAP : Understanding the Foundation of Modern Data Systems

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4 min read
The Variant Type in Apache Iceberg: How Shredding Turns Messy JSON Into Fast Analytics

The Variant Type in Apache Iceberg: How Shredding Turns Messy JSON Into Fast Analytics

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22 min read
Designing Schema Boundaries for AI Agents

Designing Schema Boundaries for AI Agents

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12 min read
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