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Duration 7 hours
Course Outline
1. Introduction to Distributed PostgreSQL
- Challenges associated with scaling single-node PostgreSQL
- An overview of the Citus extension, including its objectives, architecture, and core components
- Essential concepts: coordinator nodes, worker nodes, metadata, and distribution keys
2. Cluster Architecture and Configuration
- Differentiating node types: coordinators versus workers
- Table classifications: distributed, replicated, and local tables
- Installing and configuring Citus within existing PostgreSQL setups
- Cluster discovery processes and node administration
3. Data Distribution and Sharding Strategies
- Sharding techniques: comparing hash-based versus append methods
- Choosing the optimal distribution column for enhanced performance
- Administering distributed and replicated tables
- Rebalancing shards and executing scale-out operations
4. Distributed Query Execution and Optimization
- How Citus routes and parallelizes query execution
- Analyzing distributed query plans
- Implementing query pushdown and execution optimizations
5. Consistency, Transactions, and Fault Tolerance
- Two-Phase Commit (2PC) mechanisms and atomic operations
- Addressing failures within distributed transaction workflows
6. Operational Management and Practical Applications
- Utilizing monitoring tools and views specific to Citus
- Performing maintenance and upgrades in distributed environments
Requirements
- Completion of Advanced Administration (High Availability & Replication) or possessing comparable practical experience
- Proficient understanding of PostgreSQL configuration and performance tuning
- Competence with Linux systems and fundamental networking concepts
Target Audience
Seasoned Database Administrators, DevOps Engineers, and System Architects who currently oversee production PostgreSQL environments and require solutions for horizontal scaling.
Testimonials (2)
Tuning strategies.
Jeffrey Zieg - Matrix Consulting
Course - PostgreSQL Performance Tuning
Logging behaviour when the instance is under stress, and the hierarchy/nomenclature of instances, databases, files, etc.