How to generate a WAL record spanning multiple WAL files?

From: Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>
To: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: How to generate a WAL record spanning multiple WAL files?
Date: 2022-04-05 13:12:55
Message-ID: CALj2ACWSpf4s72yY1kU0mcQJf+6o9EDwDiB3Hnv2GVBUe5sYxQ@mail.gmail.com
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Hi,

I wanted to have a WAL record spanning multiple WAL files of size, say
16MB. I'm wondering if the Full Page Images (FPIs) of a TOAST table
would help here. Please let me know if there's any way to generate
such large WAL records.

Thoughts?

Regards,
Bharath Rupireddy.

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