The production database suddenly can’t be accessed. It is gone—not slow, not corrupted, but gone. Turned out, it is Could be a cascade of failed drives. Maybe a misconfigured automation script. Possibly ransomware. Whatever the cause, your company’s entire data … 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.
PostgreSQL Backup Architecture: A Technical Deep Dive
Analyze and Query Planner Relationship in PostgreSQL
Every time you execute a query in PostgreSQL, something remarkable happens behind the scenes. Your database doesn’t just blindly fetch data—it thinks, strategizes, and makes calculated decisions about the fastest way to retrieve what you need. This invisible intelligence is … Read More
Managing Slow Queries in PostgreSQL and Preventing the Snowball Effect
In PostgreSQL, performance problems rarely begin with a catastrophic event. More often, they start with just one slow query — a report, a dashboard filter, a batch job, or even a poorly parameterized ORM query. At first, this delay seems … Read More
Optimizing Complex Queries in PostgreSQL by Utilizing View and Materialized View
The Performance Paradox Have you ever experiencing this problem? You’ve just shipped a beautiful dashboard feature, your code is clean, your business logic is neatly organized in your application layer, and everything works perfectly, but when real users start hitting … Read More
Best Practice of Index Management in PostgreSQL
You’ve just deployed your application to production, and everything seems fine. Then, as your user base grows, queries that once took milliseconds start taking seconds. Your database is working harder, but getting slower. Sound familiar? The culprit is often missing … Read More
PostgreSQL High Availability on Single Hardware for Prototype and Learning
When students and engineers first encounter the concept of high availability, they often face a chicken-and-egg problem: they need to understand distributed systems to build them, but they need to build them to understand them. Running a PostgreSQL cluster on … Read More
Connection Management in PostgreSQL: Strategies to Improve Performance
In the world of modern applications, database performance can make or break the user experience. PostgreSQL, one of the most powerful open-source relational databases, is widely adopted across industries for its reliability, extensibility, and advanced features. However, as systems scale … Read More
Security in PostgreSQL: Protecting Your Data and Business
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
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