Re: Add 64-bit XIDs into PostgreSQL 15

Maxim Orlov <orlovmg@gmail.com>

From: Maxim Orlov <orlovmg@gmail.com>

To: wenhui qiu <qiuwenhuifx@gmail.com>

Cc: Yura Sokolov <y.sokolov@postgrespro.ru>, Evgeny Voropaev <evgeny.voropaev@tantorlabs.com>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>, Andrey Borodin <x4mmm@yandex-team.ru>

Date: 2025-11-25T14:15:50Z

Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

Add SLRU tests for 64-bit page case
- a60b8a58f435 17.0 landed
Make use FullTransactionId in 2PC filenames
- 5a1dfde8334b 17.0 landed
Use larger segment file names for pg_notify
- 2cdf131c46e6 17.0 landed
Index SLRUs by 64-bit integers rather than by 32-bit integers
- 4ed8f0913bfd 17.0 landed

On Tue, 25 Nov 2025 at 10:03, wenhui qiu <qiuwenhuifx@gmail.com> wrote:

> hi Maxim
>    I saw (make mxidoff 64 bits) path need more guys review  and
> pg_resetwal need support mxidoff 64,do we need to invite more to review ?
>
> Thank you for your interest in this topic. Actually, I was talking
about thread [0]. When it will be committed (I hope!), thus thread
have to be reworked accordingly.

[0] https://commitfest.postgresql.org/patch/5205/


-- 
Best regards,
Maxim Orlov.