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Christophe Pettus: 19th Nervous Breakdown

A post-mortem on the PostgreSQL 19 release cycle, which saw eight major features reverted or pulled just weeks before the freeze. It examines the breakdown in the review process and the technical debt incurred by landing complex features too late in the development window.

Why it matters — Aggressive feature landing without sufficient review cycles can force late-stage reverts that delay major database releases.

Planet PostgreSQL · 22 September 2026 · Read the original →

Data Engineering

Mandiant Feeds Deprecated, Migration Required

Google Cloud is deprecating the MANDIANT_ACTIVE_BREACH_IOC, MANDIANT_FUSION_IOC, and OPEN_SOURCE_INTEL_IOC feeds. Users are required to migrate to the GTI_IOC feed, as legacy feeds will be removed after March 18, 2027.

Why it matters — Data engineers must migrate their security intelligence feed integrations to GTI_IOC by March 18, 2027, or lose access to critical threat intelligence.

docs.cloud.google.com · 15 September 2026 · Read the original →

Reliability

What else runs on your Postgres server, and how do we stop it from taking the database down?

Describes the mechanisms ClickHouse Managed Postgres uses to prevent supporting services (like backup agents or logging daemons) from compromising database availability. It details the use of cgroup limits, runtime budgets, and disk-full session exemptions to isolate resources.

Why it matters — Implementing disk-full session exemptions allows administrators to connect and run cleanup commands even when the disk is at 100% capacity and rejecting standard connections.

ClickHouse · 25 August 2026 · Read the original →

Data Engineering

Maki Majima: Migration files and Git do not mix

This post argues that migration directories, with their timestamped, append-only schema changes and in-database state tracking, fundamentally conflict with Git's version control model. It highlights that migrations don't inherit Git's protections like review processes, creating two unsynchronized timelines.

Why it matters — It exposes a critical impedance mismatch between database schema migration tools and Git, prompting reflection on how to manage schema changes and their deployment processes more robustly.

Planet PostgreSQL · 08 September 2026 · Read the original →

Reliability

MongoDB Fixes Critical Security Flaws

MongoDB's `mongosh` 2.11.1 release includes fixes for critical security vulnerabilities, specifically CVE-2026-26278 affecting MONGODB-AWS auth and CVE-2026-26960 impacting the snippets feature. These updates address potential remote code execution and other security risks.

Why it matters — Teams using MongoDB `mongosh` must upgrade to version 2.11.1 to patch critical security vulnerabilities, preventing potential remote code execution and protecting sensitive data.

mongodb.com · 22 September 2026 · Read the original →

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It seems we are still just finding new ways to manage the same old state.

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