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

Delivery Options

Private Group Training

Our identity is rooted in delivering exactly what our clients need.

  • Pre-course call with your trainer
  • Customisation of the learning experience to achieve your goals -
    • Bespoke outlines
    • Practical hands-on exercises containing data / scenarios recognisable to the learners
  • Training scheduled on a date of your choice
  • Delivered online, onsite/classroom or hybrid by experts sharing real world experience

Private Group Prices RRP from €2280 online delivery, based on a group of 2 delegates, €720 per additional delegate (excludes any certification / exam costs). We recommend a maximum group size of 12 for most learning events.

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


Public Training

Please see our public courses

Need help picking the right course?

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

advance topics hands on + discussion like timescaleDB and hypertable , trainer's knowledge on the subject :)

Shivam - Paessler LLC
Course - PostgreSQL Fundamentals

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

Provisional Upcoming Courses (Contact Us For More Information)

PostgreSQL Advanced: Scalability and Sharding (Citus)

2026-03-30 09:30
7 hours
Swatar, City Centre

PostgreSQL Advanced: Scalability and Sharding (Citus)

2026-04-13 09:30
7 hours
Swatar, City Centre

PostgreSQL Advanced: Scalability and Sharding (Citus)

2026-04-27 09:30
7 hours
Swatar, City Centre

PostgreSQL Advanced: Scalability and Sharding (Citus)

2026-05-11 09:30
7 hours
Swatar, City Centre

PostgreSQL Advanced: Scalability and Sharding (Citus)

2026-05-25 09:30
7 hours
Swatar, City Centre

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