Horton

Re: relfilenode statistics

Kirill Reshke <reshkekirill@gmail.com>

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From: Kirill Reshke <reshkekirill@gmail.com>
To: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>
Cc: Robert Haas <robertmhaas@gmail.com>, Michael Paquier <michael@paquier.xyz>, pgsql-hackers@lists.postgresql.org
Date: 2024-11-29T06:23:12Z
Lists: pgsql-hackers

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  1. Add more tests for relation statistics with rewrites

On Tue, 5 Nov 2024 at 11:06, Bertrand Drouvot
<bertranddrouvot.pg@gmail.com> wrote:
>
>
> Does it sound ok to you to move with the above principal? (I'm +1 on it).
>

Hi! I looked through this thread.
Looks like we are still awaiting a patch which stores more counters
(n_dead_tup, ... etc) into relfilenode stats. So, I assume this should
be moved to the next CF.

I also have a very stupid question:
If we don’t have the relation OID when writing buffers out, can we
just store oid to buffertag mapping somewhere and use it?
I suspect that this is a horrible idea, but what's the exact reason?
Is it that we will break too many abstraction layers for such a minor
matter?

-- 
Best regards,
Kirill Reshke