Course Outline

1. Introduction to Distributed PostgreSQL

  • Scaling challenges with single-node PostgreSQL
  • Overview of the Citus extension: purpose, architecture, and components
  • Key concepts: coordinator node, worker nodes, metadata, distribution keys

2. Cluster Architecture and Setup

  • Node types: coordinator vs workers
  • Table types: distributed, replicated, and local tables
  • Installing and configuring Citus on existing PostgreSQL environments
  • Cluster discovery and node management

3. Data Distribution and Sharding Strategies

  • Sharding methods: hash vs append
  • Selecting a distribution column for optimal performance
  • Managing distributed and replicated tables
  • Re-balancing shards and scaling out

4. Distributed Query Execution and Optimisation

  • How Citus routes and parallelises queries
  • Understanding distributed query plans
  • Query pushdown and execution optimisation

5. Consistency, Transactions and Fault Tolerance

  • Two-Phase Commit (2PC) and atomic operations
  • Handling failures in distributed transactions

6. Operational Management and Use Cases

  • Monitoring tools and views for Citus
  • Maintenance and upgrades in distributed environments

Requirements

  • Completion of Advanced Administration (High Availability & Replication) or equivalent experience
  • Solid knowledge of PostgreSQL configuration and performance tuning
  • Familiarity with Linux and basic network concepts

Audience

Experienced Database Administrators, DevOps Engineers, and System Architects who already manage production PostgreSQL environments and need to scale them horizontally.

 7 Hours

Custom Corporate Training

Training solutions designed exclusively for businesses.

  • Customized Content: We adapt the syllabus and practical exercises to the real goals and needs of your project.
  • Flexible Schedule: Dates and times adapted to your team's agenda.
  • Format: Online (live), In-company (at your offices), or Hybrid.
Investment

Price per private group, online live training, starting from 1600 € + VAT*

Contact us for an exact quote and to hear our latest promotions

(*The final price may vary depending on the technical specialization of the course, the level of customization, the method of delivery and the number of learners)

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Testimonials (5)

The provided examples and labs

Christophe OSTER - EU Lisa
Course - PostgreSQL Advanced DBA

Amount (a lot) of knowledge provided. Cheerful aprroach to the subject.

Oskar Debowski - Asseco Poland S.A
Course - PostgreSQL Administration, Optimization and Replication

Very good theory and way of explaining, exercises always related to the topic.

Mitzi - Paessler LLC
Course - PostgreSQL Fundamentals

Machine Translated

By the end of the 1st day, one attendee suggested more interaction in practices and the trainers took this in for the second day.

Daniela - Unit4
Course - PostgreSQL 16 for Developers and Administrators

A factual and practical approach to the subject. A nice atmosphere, conducive to asking questions.

Marcin - Santander Bank Polska S.A.
Course - Implementing High Availability in PostgreSQL

Upcoming Courses

PostgreSQL Advanced: Scalability and Sharding (Citus)

2026-03-30 09:30
7 hours
Valencian Community

PostgreSQL Advanced: Scalability and Sharding (Citus)

2026-04-13 09:30
7 hours
Bilbao

PostgreSQL Advanced: Scalability and Sharding (Citus)

2026-04-27 09:30
7 hours
Madrid - Chamartín Business Area

PostgreSQL Advanced: Scalability and Sharding (Citus)

2026-05-11 09:30
7 hours
Malaga City Center

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