PostgreSQL DBA Archives

PostgreSQL 16 High Availability Setup with Pgpool-II

PostgreSQL 16 High Availability Setup with Pgpool-II: Complete Implementation Guide High availability database systems are critical for modern applications that require minimal downtime and seamless failover capabilities. PostgreSQL 16, combined with Pgpool-II, provides a robust […]

Horizontally Scalable PostgreSQL Infrastructure: Strategic Planning for Modern Data Demands

PostgreSQL Horizontal Scalability Unlock the Secrets to Building Scalable PostgreSQL Infrastructure – To meet the demands of today’s data-driven landscape, organizations must build robust, horizontally scalable PostgreSQL infrastructures. This blog summarizes key strategies, concepts, and […]

PostgreSQL Log File Mastery: Optimizing Database Performance Through Advanced Log Analysis

PostgreSQL Log Analysis : (You can download PDF of this post here) This comprehensive guide from MinervaDB, authored by PostgreSQL expert Shiv Iyer, equips PostgreSQL Database Architects, Administrators, and Engineers with practical strategies to use [...]

The Ultimate Guide to PostgreSQL Indexing: Boost Database Performance Like a Pro

Key Takeaways Proper indexing can accelerate queries by 100x+ PostgreSQL offers 6 specialised index types for different data scenarios Strategic indexing reduces server costs by up to 50% Common indexing mistakes cost companies $12M+ annually [...]

PostgreSQL Temporary Data Performance Optimization

Advanced PostgreSQL Temporary Data Performance Optimization and Diagnostics When addressing PostgreSQL temporary data performance degradation, database administrators should implement a systematic approach focusing on the following critical subsystems: Memory Buffer Architecture & Configuration temp_buffers: This [...]

How to reclaim the storage in PostgreSQL after Vacuum?

PostgreSQL Vacuum When you run a standard VACUUM command in PostgreSQL, you might notice that it doesn’t free up space at the operating system level, even though it cleans up dead tuples within the database. […]

PostgreSQL Execution Plan Analysis

PostgreSQL Execution Plan PostgreSQL execution plan analysis is critical for diagnosing query performance issues. Here’s how to interpret optimiser decisions and identify bottlenecks: Generating Execution Plans First, Generate basic plan estimation: EXPLAIN SELECT * FROM […]

What is new with pg_stat_statements in PostgreSQL 17?

New Features in pg_stat_statements PostgreSQL 17 1. Tracking of Nested Statements PostgreSQL 17 adds the ability to track nested statements executed within functions, procedures, and DO blocks: Previously, only top-level statements were tracked However, statements […]

PostgreSQL Checkpointing and Background Writing Process

PostgreSQL checkpointing is crucial in maintaining data integrity and ensuring consistent database performance. It works in tandem with background writing processes to manage disk I/O efficiently, reducing the risk of data loss in the event […]

PostgreSQL Vacuum and Vacuum full are not two different processes

PostgreSQL Vacuum and Vacuum full are not two different processes PostgreSQL Vacuum: PostgreSQL‘s VACUUM and VACUUM FULL are not separate processes but rather different operational modes of the same maintenance command. Here’s why: Core Implementation […]