Re: Yet another fast GiST build

From: Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
To: "Andrey M(dot) Borodin" <x4mmm(at)yandex-team(dot)ru>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, Darafei Komяpa Praliaskouski <me(at)komzpa(dot)net>, Pavel Borisov <pashkin(dot)elfe(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Yet another fast GiST build
Date: 2020-09-28 06:53:45
Views: Raw Message | Whole Thread | Download mbox | Resend email
Lists: pgsql-hackers

On 21/09/2020 16:29, Andrey M. Borodin wrote:
> But thing that bothers me now: when we vacuum leaf page, we bump it's
> NSN. But we do not bump internal page LSN. Does this means we will
> follow rightlinks after vacuum? It seems superflous.

Sorry, I did not understand what you said above. Vacuum doesn't update
any NSNs, only LSNs. Can you elaborate?

> And btw we did not adjust internal page tuples after vacuum...
What do you mean by that?

- Heikki

In response to

Browse pgsql-hackers by date

  From Date Subject
Next Message Andy Fan 2020-09-28 07:22:49 Re: Partition prune with stable Expr
Previous Message Amit Kapila 2020-09-28 06:49:58 Re: Parallel copy