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 Duration 7 hours

Course Outline

1. Introduction to Distributed PostgreSQL

  • The challenges of scaling with single-node PostgreSQL
  • An overview of the Citus extension, including its purpose, architecture, and key components
  • Core concepts such as coordinator nodes, worker nodes, metadata, and distribution keys

2. Cluster Architecture and Setup

  • Differentiating between node types: coordinators versus workers
  • Table classifications: distributed, replicated, and local tables
  • Installing and configuring Citus within existing PostgreSQL environments
  • Cluster discovery and node management processes

3. Data Distribution and Sharding Strategies

  • Comparing sharding methods: hash-based versus append-based
  • Choosing distribution columns to maximise performance
  • Oversight of distributed and replicated tables
  • Rebalancing shards and strategies for scaling out

4. Distributed Query Execution and Optimisation

  • Mechanisms by which Citus routes and parallelises queries
  • Analyzing distributed query execution plans
  • Implementing query pushdown and execution optimisation

5. Consistency, Transactions and Fault Tolerance

  • Two-Phase Commit (2PC) and ensuring atomic operations
  • Strategies for handling failures in distributed transactions

6. Operational Management and Use Cases

  • Utilising monitoring tools and views specific to Citus
  • Performing maintenance and upgrades in distributed environments

Requirements

  • Successful completion of Advanced Administration (High Availability & Replication) or comparable experience
  • Strong proficiency in PostgreSQL configuration and performance tuning
  • Basic familiarity with Linux and network concepts

Audience

This course is tailored for experienced Database Administrators, DevOps Engineers, and System Architects who are currently managing production PostgreSQL environments and seek to scale them horizontally.

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*

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