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
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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.
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