Horton

Re: Changed behavior in rewriteheap

Heikki Linnakangas <hlinnaka@iki.fi>

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From: Heikki Linnakangas <hlinnaka@iki.fi>
To: Matthias van de Meent <boekewurm+postgres@gmail.com>, Erik Nordström <erik@timescale.com>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2024-11-22T13:26:56Z
Lists: pgsql-hackers 
On 22/11/2024 15:02, Matthias van de Meent wrote:
> I think I'd go with a patch like attached, where the bulk writer
> registers that it started with .relsize pages in the relfork, and use
> that for smgrextend() decisions. It now also records pages_written as
> a separate but accurate value.

Looks good to me. Eric, can you confirm that Matthias's patch fixes the 
problem for you?

-- 
Heikki Linnakangas
Neon (https://neon.tech)

Commits

  1. Fix data loss when restarting the bulk_write facility

  2. Introduce a new smgr bulk loading facility.