PostgreSQL DBA Archives

Optimizing PostgreSQL Performance: Mastering Checkpointing Configuration

Checkpointing in PostgreSQL is a crucial process that impacts its performance in several ways. Here's a brief overview: Impact of Checkpointing on Performance: I/O Activity: During a checkpoint, PostgreSQL writes all modified data pages (known [...]

Adaptive Joins in PostgreSQL 16 (mimicked feature)

Introduction PostgreSQL does not natively support "Adaptive Hash Joins" as a built-in feature. In PostgreSQL, the query planner chooses join methods such as nested loop, hash join, and merge join based on the statistics and [...]

Optimize PostgreSQL Performance: Strategic Use of SKIP_DATABASE_STATS and ONLY_DATABASE_STATS

Configuring SKIP_DATABASE_STATS and ONLY_DATABASE_STATS in PostgreSQL requires careful consideration to ensure optimal performance: In summary, while these options can customize backups to suit specific needs, their incorrect usage can lead to performance issues or incomplete [...]

Speed Up Your PostgreSQL 16 Backups with Improved pg_dump

In PostgreSQL 16, pg_dump has become faster due to the introduction of new compression methods: LZ4 and ZSTD. Example: When using pg_dump in PostgreSQL 16, you can specify the compression method: Here, -F c specifies [...]

Installing and Configuring pgvector in PostgreSQL: A Step-by-Step Guide

Introduction pgvector is an open-source extension for PostgreSQL designed to efficiently handle vector data within the database. It's particularly useful for machine learning and similar applications where working with vector data is common. Step-by-Step Guide [...]

Step-by-Step Guide to Migrating from PostgreSQL 11 to 15 Using pg_upgrade

Discover a comprehensive guide on how to seamlessly migrate from PostgreSQL 11 to 15 using the pg_upgrade tool. Our step-by-step tutorial ensures a smooth and efficient database upgrade process with minimal disruption, covering installation, preparation, execution, and post-upgrade steps. Perfect for database administrators looking to upgrade to PostgreSQL 15 with confidence. [...]

Troubleshooting PostgreSQL JOIN Performance: A Guide for Query Optimization

PostgreSQL environment is unique, so these guidelines should be adapted and tested according to your specific context. Regular monitoring and a thorough understanding of your data and query patterns are key to maintaining optimal JOIN performance. [...]

Troubleshooting PostgreSQL Error 53300: TOO_MANY_CONNECTIONS

When you encounter the 53300: TOO_MANY_CONNECTIONS error in PostgreSQL, it indicates that your database has reached its maximum configured limit for simultaneous connections. This can happen due to high traffic, inefficient application design, or insufficient configuration settings. [...]

How to implement GDPR-Compliant Data Obfuscation in PostgreSQL

Implementing data obfuscation in PostgreSQL to comply with the General Data Protection Regulation (GDPR) involves transforming sensitive data into a less sensitive form, a process that helps protect personal data while maintaining its usability. [...]

Step-by-Step Guide for Optimizing PostgreSQL Queries with Partial Indexes

Implementing partial indexes in PostgreSQL is an efficient way to optimize your database performance, especially when dealing with large tables with specific query patterns. Partial indexes are indexes built over a subset of a table, defined by a condition. [...]

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