Row estimates
Postgres FM
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Auto Vacuum in Postgres
This chapter explores the tasks performed by auto vacuum in Postgres, such as vacuuming, preventing transaction ID wraparound, and auto analyzing to collect statistics. It highlights the importance of proper query planning and discusses the different contexts in which the term 'analyze' is used in relation to PostgreSQL. Additionally, it emphasizes the significance of using 'explain analyze buffers' to identify and diagnose issues with row estimates.
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