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Deep Dive into PostgreSQL Vacuum Internals: Enhancements, Challenges, and Untold Stories
Deep Dive into PostgreSQL Vacuum Internals: Enhancements, Challenges, and Untold Stories
Vacuum is the unsung hero of PostgreSQL, ensuring database health, reclaiming storage, and maintaining query performance. However, its internal mechanisms, recent improvements, and peculiar corner cases often remain a mystery to many users and developers. This presentation will explore the intricate workings of PostgreSQL's vacuum process, shedding light on: