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Re: [HACKERS] Review: GIN non-intrusive vacuum of posting tree - Mailing list pgsql-hackers

From Peter Geoghegan
Subject Re: [HACKERS] Review: GIN non-intrusive vacuum of posting tree
Date
Msg-id CAH2-Wz==43fmY1B3HiY7B+AqJVqsvqxJZiXRik05gsKM6_3Suw@mail.gmail.com
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In response to Re: [HACKERS] Review: GIN non-intrusive vacuum of posting tree  (Andrew Borodin <borodin@octonica.com>)
Responses Re: [HACKERS] Review: GIN non-intrusive vacuum of posting tree  (Andrew Borodin <borodin@octonica.com>)
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On Thu, Mar 16, 2017 at 11:53 AM, Andrew Borodin <borodin@octonica.com> wrote:
> 2.  Thus, L&S fully concurrent vacuum is possible, indeed, and
> furthermore Theodor suggested that I should implement not only page
> eviction, but also page merge and tree condence algorithm.

I think that it's very hard to make merging of pages that are not
completely empty work, while also using the L&Y algorithm.


-- 
Peter Geoghegan

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