PostSQL Engineering Blog

PostSQL — exploring PostgreSQL architecture, storage internals, performance engineering, and extensions: why and how PostgreSQL is so much more than just “an SQL database.”

Companion pgbench Design Specifications & Agent Guides (5 docs)
  • pgbench_db_logging_design.md — Direct PostgreSQL Database Logging (--log-db) & Telemetry Schema
  • pgbench_viewer_design.md — Lightweight Telemetry Viewer (bottle.py + Water.css + 439B WASM)
  • pgbench_agent_skill.md — Agent Skill: Advanced pgbench Workload Execution (pgbench-new)
  • pgbench_agent_decision_matrix.md — Deterministic Agent Decision Matrix & Error Triage Tree
  • pgbench_agent_recipes.yaml — Declarative Agent Execution Recipes

Engineering Blog Posts

  • Oct 19, 2026

    Evolving pgbench into a Universal Database Benchmark Engine: OLTP, HTAP, Property Graphs, and Vector Search

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PostSQL Engineering Blog

  • Hannu Krosing

    PostgreSQL architecture, performance engineering, and extensions — why and how PostgreSQL is so much more than just an SQL database.