Introduction to Buffers in PostgreSQL

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The work around RegreSQL led me to focus a lot on buffers . If you are a casual PostgreSQL user, you have probably heard about adjusting shared_buffers and followed the good old advice to set it to 1/4 of available RAM. But after we went a little bit too enthusiastic about them on a recent Postgres FM episode I've been asked what that's all about. Buffers are one of those topics…

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