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Bufisa Blog

Follow along with us as we share our experiences in the industry - the highs, the lows, and everything that falls in between.

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

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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

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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

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