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Allocating too much memory to Postgres can actually slow down performance, especially during index builds. The author explains how exceeding certain memory thresholds can lead to inefficient data processing and increased write operations, which negatively impact speed. It's better to use modest memory settings and adjust only based on proven benefits.
The article discusses various methods to intentionally slow down PostgreSQL databases for testing purposes. It explores different configurations and practices to simulate performance degradation, aiding developers in understanding how their applications behave under stress. This approach helps in identifying potential bottlenecks and preparing for real-world scenarios.