It’s 3 AM when the call comes in. Your PostgreSQL database has been compromised. Customer data, financial records, everything—exposed. In that moment, months of work, millions in revenue, and years of customer trust begin to crumble. PostgreSQL is one of … Read More
Bufisa Blog
Follow along with us as we share our experiences in the industry - the highs, the lows, and everything that falls in between.
Deep Dive PostgreSQL Replication with Real-World Case Studies
Enterprise-grade database reliability and scalability through proven PostgreSQL replication strategies. Replication is one of the most powerful features in PostgreSQL, enabling scalability, fault tolerance, and data availability. In distributed systems or high-demand environments, replication ensures that data can be accessed … Read More
The Million-Dollar Scheduler Bug: How Smart Engineers Build Retry Systems That Destroy Themselves (And How to Stop It with PostgreSQL)
At 3:47 AM on Black Friday, a single network timeout brought down a billion-dollar e-commerce platform. The culprit wasn’t the initial failure—it was the retry storm that followed. Within seconds, thousands of payment retries cascaded through the system, each one … Read More
Ensuring Consistency in Multi-Database Transactions in Microservices Architecture Using PostgreSQL
Picture this: An eCommerce platform has just oversold their best-selling product by 200 units during Black Friday. Customers are furious, inventory is in chaos, and executives are asking pointed questions. This wasn’t supposed to happen—the microservices were carefully designed to … Read More
Why PostgreSQL “Bloats” Over Time—and How to Prevent It
A practical, beginner-friendly deep dive into MVCC, WAL, buffers, VACUUM/Autovacuum, and safe remediation strategies (with ready-to-run monitoring queries). PostgreSQL is renowned for its reliability and performance, but one challenge that catches many database administrators off-guard is bloat. If you’ve noticed … Read More
PostgreSQL Deadlock Prevention: Comprehensive Guide for High-Concurrency Environments
1. Introduction In high-concurrency PostgreSQL environments—such as financial systems, e-commerce platforms, or large-scale SaaS products—deadlocks represent one of the most critical blocking issues that can halt mission-critical workloads and severely impact system reliability. A deadlock occurs when two or more … Read More
PostgreSQL Scaling: From Startup to Enterprise
This guide explores proven approaches to Scaling PostgreSQL from handling thousands to hundreds of millions of users. The key insight for successful scaling: it’s not about following a rigid checklist—it’s about understanding PostgreSQL’s architecture deeply and making smooth transitions that … Read More
Migrating PostgreSQL INT to BIGINT on Large Primary Key Tables Without Downtime
Introduction Database scalability challenges often emerge as systems mature and data volumes grow beyond initial design assumptions. One frequently encountered constraint is the PostgreSQL INTEGER type limitation for primary keys, which represents a 32-bit signed value with a maximum threshold … Read More
The AI Revolution in PostgreSQL: How Database Intelligence is Reshaping Enterprise Architecture
The Convergence That Changes Everything Imagine a world where your database doesn’t just store data—it thinks, learns, and makes intelligent decisions. This isn’t science fiction; it’s happening right now with PostgreSQL, and it’s fundamentally reshaping how we build intelligent applications. … Read More
Handling Race Conditions in PostgreSQL MVCC
PostgreSQL’s Multi-Version Concurrency Control (MVCC) architecture represents one of the most sophisticated approaches to handling concurrent database operations. By maintaining multiple versions of data rows and providing each transaction with a consistent snapshot of the database state, MVCC allows readers … Read More