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 Duration 14 hours

Course Outline

1. Exploring the PostgreSQL Query Planner

  • Examining query execution plans and Planner algorithms (classic, genetic)
  • Interpreting execution plans (data access methods, join strategies)
  • Influencing plan selection via configuration parameters and pg_hint_plan

2. Query Planner Statistics

  • Assessing execution plan cost estimates
  • Reviewing the default statistical models
  • Running ANALYZE operations and managing extended statistics

3. Leveraging Indexes

  • B-tree indexes (single column, composite, function-based, partial)
  • Hash indexes
  • BRIN indexes
  • GiST and GIN indexes

4. Advanced Table Structures

  • Partitioned tables
  • Unlogged tables
  • Temporary tables
  • Materialised views

5. Managing Cache Memory

  • Buffer Cache
  • Work Memory
  • Maintenance Work Memory

6. Parallel Query Processing

  • Understanding the architecture
  • Configuring relevant parameters
  • Analysing parallelised query execution plans

7. Monitoring Workload and Performance

  • Capturing slow queries through logging
  • Implementing the auto_explain extension
  • Utilising the pg_stat_statements extension
  • Tracking Cumulative Statistics

8. Benchmarking with PgBench

Requirements

  • Completion of PostgreSQL Server Administration or equivalent foundational knowledge
  • Practical experience with SQL and day-to-day PostgreSQL operations

Who Should Attend

This course is designed for Database Administrators, DevOps Engineers, and Developers who are responsible for optimising and maintaining PostgreSQL in production settings.

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