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PostgreSQL Performance Baselines: How to Define and Capture Them

Defining and capturing baselines plays a vital role in PostgreSQL performance troubleshooting. Baselines serve as a benchmark for normal performance metrics, offering a clear point of reference. By establishing these metrics, you can compare current [...]

PostgreSQL Query Performance Alternatives to SQL Server Query Store

PostgreSQL Query Performance Alternatives In PostgreSQL, the pg_stat_statements extension serves as the closest alternative to SQL Server’s Query Store. Specifically, it captures critical query performance metrics, such as execution counts, total time, and query text. […]

PostgreSQL Locking Mechanisms: Internal Hierarchy Explained

In PostgreSQL, the locking mechanism is crucial for concurrency control, ensuring data integrity and consistency by preventing simultaneous incompatible operations. PostgreSQL employs a variety of lock types that operate at different levels of granularity, from […]

PostgreSQL Rowstore Index Optimization: A Comprehensive Implementation and Tuning Guide

PostgreSQL Rowstore Index Optimization PostgreSQL rowstore indexes use the standard indexing method by storing and managing data in rows for efficient access. Additionally, PostgreSQL supports index types like B-tree, Hash, GiST, SP-GiST, GIN, and BRIN, [...]

PostgreSQL for SQL Server DBAs – What is an alternative to sys.dm_exec_query_stats in the PostgreSQL world?

PostgreSQL for SQL Server DBAs The sys.dm_exec_query_stats Dynamic Management View (DMV) in Microsoft SQL Server provides performance statistics for cached query plans. It allows database administrators and developers to monitor and analyze SQL query performance, […]

PostgreSQL auto_explain Extension: Optimizing Query Performance in PostgreSQL 16

PostgreSQL Auto_Explain_Extension To use the advanced auto_explain extension in PostgreSQL 16, you should first load it into the server. This can be done by adding auto_explain to either session_preload_libraries or shared_preload_libraries in the postgresql.conf file. [...]

PostgreSQL Composite Index Explained

Composite indexes in PostgreSQL Composite indexes in PostgreSQL are a powerful tool designed to optimize database performance. They are a type of database index that encompasses more than one column of a table, making them […]

Checkpointing in PostgreSQL: Mastering Configuration for Performance

Checkpointing in PostgreSQL Checkpointing in PostgreSQL plays a crucial role in performance. Here's a breakdown of how it impacts various factors: Impact of Checkpointing in PostgreSQL on Performance: I/O Activity: PostgreSQL writes all modified data [...]

Step-by-Step Guide to Setting Up Point-in-Time Recovery in PostgreSQL 16

Point-in-Time Recovery in PostgreSQL Point-in-Time Recovery (PITR) in PostgreSQL 16 offers a robust solution for database backup and disaster recovery. PITR revolves around the continuous archiving of WAL (Write-Ahead Logging) files and the ability to […]

Adaptive Joins in PostgreSQL 16 (mimicked feature)

Introduction PostgreSQL does not natively offer "Adaptive Hash Joins" as a built-in feature for query execution.Instead, the query planner selects join methods, such as nested loop, hash join, or merge join, during plan generation.Additionally, it [...]

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