DoltHub addressed a memory leak issue reported by a customer using Dolt SQL Server, utilizing Golang's memory profiling tools to analyze memory usage and pinpoint the problem. They discovered that the leak stemmed from an unclosed file handle in the stats subsystem, which was fixed in version 1.57.1. The article emphasizes the importance of profiling, kernel memory management, and effective debugging techniques.

Flame graphs visually represent where a program consumes processing time, utilizing sampled call stack data collected by a profiler. This blog post discusses the creation and use of flame graphs for diagnosing performance bottlenecks in PostgreSQL, detailing methods for data collection and processing, and highlighting the importance of build types in profiling.