PostgreSQL Technical Articles

Wellingtone Luvonga

The Default Deny Dilemma: A Practical Guide to Kubernetes Network Policies

This hands-on guide demonstrates implementing zero-trust network segmentation in Kubernetes using NetworkPolicies enforced by the Calico CNI. It covers a three-tier architecture (…

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Fujitsu

SQL Server database migration: Planning for mission-critical systems

Migrating mission-critical SQL Server systems to PostgreSQL requires careful planning due to elevated risk. Key drivers include rising licensing costs, aging infrastructure, cloud…

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Nicole Ghalwash

Is It Safe to Give an AI Agent Access to Your Production Database?

Giving AI agents unrestricted access to production databases carries serious risks. Client-side restrictions are insufficient; enforcement must happen at the database layer. Key r…

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PostgreSQL Hackers Email Discussion Highlights

pg_stat_progress_cluster: do not default to CLUSTER

Zsolt Parragi submitted a patch to fix `pg_stat_progress_cluster` so it reports NULL instead of defaulting to CLUSTER in certain cases. Fujii Masao approved the patch and plans to…

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pgstat: Flush some statistics within running transactions, take 2

Michael Paquier reviewed patch 0001 of the "flush statistics within running transactions" series rebased by Sami Imseih. He objects to the proposed struct splitting approach—nesti…

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Implement waiting for wal lsn replay: reloaded

The discussion focuses on implementing a PostgreSQL feature to wait for WAL LSN replay. Alexander Korotkov revised patch 0001 with several changes: improved documentation clarifyi…

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Add pg_stat_vfdcache view for VFD cache statistics

The discussion concerns a patch to add a `pg_stat_vfdcache` view for VFD (virtual file descriptor) cache statistics. The latest focus is on switching `fd.c` to use a long-lived me…

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Assert failure in try_nestloop_path()

The thread addresses an assertion failure in `try_nestloop_path()` caused by duplicate join clauses being enforced multiple times in nested loop plans. Richard Guo identified two…

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Support for 8-byte TOAST values, round two

Bharath Rupireddy reviewed Michael Paquier's v15 patch set for 8-byte TOAST value support (OID8). Patch 0001 (enlarging OID generation to 8 bytes) looks good, but raises the quest…

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Industry News

techcrunch.com

Meta debuts Muse AI personal agent with broad data access ambitions

Meta has unveiled Muse, a new personal AI agent designed to access users' email, calendars, payments, health services, and more. The launch represents Meta's largest consumer AI b…

techcrunch.com

OpenAI accused of misconduct over Navier-Stokes math problem bounty

An NYU mathematician has accused OpenAI of fighting dirty in connection with the Navier-Stokes existence and smoothness problem, one of mathematics' most prestigious unsolved chal…

techcrunch.com

Google Cloud expands enterprise AI push with new Accenture partnership

Google Cloud has announced an expanded partnership with Accenture aimed at accelerating enterprise AI adoption. The deal centers on deploying forward-deployed engineers to help bu…

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This year we also have a sponsor track.

This year's event includes a sponsor track, featuring a talk by Hans-Juergen Schoenig from CYBERTEC PostgreSQL Services and Support. His presentation covers pg_hardstorage, a topi…

Our CEO Hans-Juergen Schoenig just wrapped up his talk at PGDay UK !

Cybertec CEO Hans-Juergen Schoenig recently presented at PGDay UK, focusing on pg_hardstorage and its underlying storage internals. His talk covered how the backup engine works, t…

🚀 Next Training: PostgreSQL High Availability with Patroni Ready to make your PostgreSQL clusters truly HA?

CYBERTEC is offering a three-day online training course on PostgreSQL high availability using Patroni, scheduled for September 14–16, 2026, from 9:00 am to 2:00 pm CET. The course…

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