Re: optimizing vacuum truncation scans - Mailing list pgsql-hackers

From Simon Riggs
Subject Re: optimizing vacuum truncation scans
Date
Msg-id CANP8+jK-Q80QaXe7HrJrssb4o7LuMmn0p12rgfDr1MoiGUN=QA@mail.gmail.com
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In response to Re: optimizing vacuum truncation scans  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: optimizing vacuum truncation scans  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers
On 22 July 2015 at 14:59, Robert Haas <robertmhaas@gmail.com> wrote:
 
Urgh.  So if we do this, that forever precludes having HOT pruning set
the all-visible bit.

What is the reason why we don't do that already? Surely its a one liner?

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Simon Riggs                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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