Re: Multi delete wal IDEA

From: Melanie Plageman <melanieplageman(at)gmail(dot)com>
To: Stepan Neretin <sndcppg(at)gmail(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Multi delete wal IDEA
Date: 2024-10-31 18:58:41
Message-ID: CAAKRu_aHZgw+nisR-qcSfwc+eZyMFnbH9aouoiPc9bm9wk7cUA@mail.gmail.com
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On Thu, Oct 31, 2024 at 11:42 AM Stepan Neretin <sndcppg(at)gmail(dot)com> wrote:
>
> Hi there, hackers! How about trying out an idea to add an analog to save memory in WAL files for deleting records, similar to multi-insert optimization? This patch is trying to do just that.

Hi,
Thanks for the patch! Could you explain a bit more how this patch
works? I don't see changes in your patch to heap_delete() where WAL is
emitted, so I'm not sure I understand how it works. And could you
provide a small example or repro? It makes it much easier to review
and understand.
- Melanie

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