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From: Alexandre Felipe <[email protected]>
To: Andres Freund <[email protected]>
Cc: Tomas Vondra <[email protected]>
Cc: Peter Geoghegan <[email protected]>
Cc: Thomas Munro <[email protected]>
Cc: Nazir Bilal Yavuz <[email protected]>
Cc: Robert Haas <[email protected]>
Cc: Melanie Plageman <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Cc: Georgios <[email protected]>
Cc: Konstantin Knizhnik <[email protected]>
Cc: Dilip Kumar <[email protected]>
Subject: Re: index prefetching
Date: Mon, 2 Mar 2026 18:45:03 +0000
Message-ID: <CAE8JnxOQG=m_6-v-M_Nude5KRrOzAcbi2QPhySCJQ+e771BQHA@mail.gmail.com> (raw)
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Andres,

> Unfortunately that has too big a performance penalty for fully cached
> workloads :(. Doing buffer mapping lookups ahead of the current point is
not
> free.

Could you elaborate?


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  Subject: Re: index prefetching
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