PostgreSQL Technical Articles

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pgAdmin 4 v9.16 has been released with 64 bug fixes and new features. The most critical updates address seven security vulnerabilities (CVE-2026-12044 through CVE-2026-12050), cov…

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NanoHertz Communications

Why Your PostgreSQL Partition Key Is Creating a Write Bottleneck

A skewed PostgreSQL partition key can route the majority of writes to a single partition, creating a write hot spot while others sit idle. This causes cascading problems: excessiv…

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PostgreSQL Hackers Email Discussion Highlights

enhance wraparound warnings

A recently committed enhancement to XID and MultiXactId wraparound warnings added a DETAIL message showing an approximate percentage of transaction IDs available for use. Fujii Ma…

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Adding REPACK [concurrently]

Antonin Houska submitted a small patch to the ongoing "Adding REPACK [concurrently]" thread, removing an outdated comment that was only valid in earlier versions of the patch. The…

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synchronized_standby_slots behavior inconsistent with quorum-based synchronous replication

The discussion focuses on a patch addressing inconsistent behavior of `synchronized_standby_slots` with quorum-based synchronous replication. Shveta Malik reviewed whether duplica…

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Checkpointer write combining

Melanie Plageman posted v15 of the checkpointer write combining patch, featuring significant changes since the previous version. The main addition is that regular backends and the…

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Fix \crosstabview to honor \pset display_true/display_false

Chao Li identified that `\crosstabview` does not honor `\pset display_true/display_false` settings introduced by a recent commit. The proposed fix adds a helper function `printQue…

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explain plans for foreign servers

The thread discusses adding support for remote EXPLAIN plans in `postgres_fdw`. A key challenge is that some queries—not just INSERTs—send runtime parameters (e.g., from subquerie…

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Industry News

techcrunch.com

OpenAI Recruits Transformer Co-inventor Noam Shazeer Ahead of IPO

OpenAI is bolstering its talent roster ahead of its planned IPO, hiring Transformer co-inventor Noam Shazeer from Google DeepMind and former Trump administration AI policy officia…

techcrunch.com

AWS Plans to Sell Its AI Chips to External Data Centers to Challenge Nvidia

Amazon Web Services is in talks to sell its proprietary AI chips to third-party data centers, a move that would put it in more direct competition with Nvidia in the AI hardware ma…

Social Media Updates

That's a wrap on #DataAISummit 2026.

The 2026 Data and AI Summit has officially concluded. Organizers thanked all attendees, both in-person and virtual participants, for contributing to what they described as the bes…

For years vendors have been claiming they've seamlessly united analytical, transactional and now AI workloads.

pgEdge has released ColdFront, a data tiering extension for PostgreSQL that automatically moves cold data to Apache Iceberg on S3 at up to 90% lower storage cost while keeping hot…

We're bringing millisecond performance directly to the lakehouse.

Databricks co-founder and Chief Architect Reynold Xin has announced Lakehouse//RT, a new real-time data warehouse built for operational analytics, business intelligence, app servi…

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PostgreSQL Technical Articles

PostgreSQL Hackers Email Discussion Highlights

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