PostgreSQL DBA Archives

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 […]

SQL Window Functions for Time-Series Analysis in PostgreSQL 17

Advanced SQL Window Functions for Time-Series Analysis in PostgreSQL 17 Window functions in PostgreSQL are powerful tools for analyzing time-series data, enabling complex calculations across rows without the need for self-joins or complex subqueries. This […]

Streaming Replication Across Kubernetes Postgres Clusters

Streaming replication across Kubernetes Postgres clusters is an effective way to enhance high availability and disaster recovery for PostgreSQL databases running in containerized environments. Here’s an overview of how to set up and optimize this […]

Best Practices for Efficient Large-Scale PostgreSQL Database Migrations

PostgreSQL Database Migration Migrating multi-terabyte PostgreSQL databases requires careful planning to balance speed, data integrity, and system availability. As organizations scale to petabyte-scale datasets, traditional migration methods often fall short, leading to prolonged downtime and […]

Five Tips For a Healthier Postgres Database in the New Year

As we enter the new year, database administrators and developers face the ongoing challenge of maintaining healthy PostgreSQL databases. A well-maintained database is crucial for application performance, data integrity, and system reliability. This article presents […]

Oracle to PostgreSQL Migration Series – NoValidate and Parallel Constraints in PostgreSQL

Can you implement NoValidate and Parallel Constraints in PostgreSQL? Oracle to PostgreSQL Migration Blog series PostgreSQL does not have a direct equivalent to Oracle’s NOVALIDATE option for constraints. However, there are some strategies to achieve […]

Using Batch-to-CPU Ratio in PostgreSQL Performance Troubleshooting

How do you derive and use the Batch-to-CPU Ratio in PostgreSQL Performance Troubleshooting? To effectively examine the performance of PostgreSQL log buffers, you can use the following approaches. Log buffers refer to the memory area [...]

PostgreSQL for SQL Server DBAs – Distributed Availability Group in PostgreSQL

PostgreSQL for SQL Server DBAs - Can we implement a Distributed Availability Group in PostgreSQL Replication? PostgreSQL does not have a native "Distributed Availability Group" feature like SQL Server. However, similar functionality can be implemented [...]

Understanding Lost Updates in PostgreSQL

Understanding and Preventing PostgreSQL Lost Updates Executive Summary PostgreSQL Lost updates present a significant challenge in database management, particularly when handling concurrent transactions in PostgreSQL. This comprehensive guide examines the technical aspects of lost updates [...]

PL/pgSQL Application to Log Slow Queries in PostgreSQL Server

Creating a PL/pgSQL Application to Log Slow Queries in PostgreSQL Server Creating a PostgreSQL application using PL/pgSQL to record all queries executed on the PostgreSQL server with a latency/response time of more than 1 second [...]