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Essays, tutorials, field notes, and project stories collected from VONNG.

Architecture decisions and implementation notes for Pigsty engineering.

Pigsty release records organized by complete x.y.z version numbers.

Pigsty v4.2.1

465 words 3 min

Maintenance release: 3 new extensions, drop PG13, bug fixes

Pigsty v4.2.0

706 words 4 min

Routine minor release with six PG kernel updates

Pigsty v4.2: 12 Kernels in Bloom

vonng 3602 words 17 min

Pigsty v4.2 turns one stack into 12 enterprise-grade PostgreSQL flavors: multi-master pgEdge, graph-native AgensGraph, MPP Cloudberry, rebuilt compatibility kernels, 461 extensions, infrastructure …

Pigsty v4.1: Speed Is the Moat

vonng 1954 words 10 min

Same-day production support for PG 18.2 is the core message of Pigsty v4.1. In this cycle, very few vendors shipped day-zero readiness: AWS RDS, EDB, and Pigsty were among them.

Pigsty v4.1.0

1339 words 7 min

Major/minor upgrade support, Agent-Native CLI, stricter default firewall policy

The Agent Moat: Runtime

1832 words 9 min

A mediocre local who knows the terrain beats a genius parachuted into unknown territory. Intelligence without context is idle. An agent without a runtime is vapor.

Pigsty v4.0: Into the AI Era

vonng 4960 words 24 min

Pigsty v4.0 is a milestone release — what I'd call "Finished Software." The real theme: Built for AI Agents and enabling the DBA Agent.

Pigsty v4.0.0

968 words 5 min

Observability revolution, security hardening, JUICE/VIBE modules, Apache-2.0

Pigsty v3.7.0

449 words 3 min

PG18 default, 437 extensions, EL10 & Debian 13 support, PGEXT.CLOUD