Horton

Re: Add 64-bit XIDs into PostgreSQL 15

Maxim Orlov <orlovmg@gmail.com>

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From: Maxim Orlov <orlovmg@gmail.com>
To: Evgeny Voropaev <evgeny.voropaev@tantorlabs.com>
Cc: y.sokolov@postgrespro.ru, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2025-07-02T15:38:07Z
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 →

  1. Add SLRU tests for 64-bit page case

  2. Make use FullTransactionId in 2PC filenames

  3. Use larger segment file names for pg_notify

  4. Index SLRUs by 64-bit integers rather than by 32-bit integers

Attachments

On Tue, 1 Jul 2025 at 14:08, Evgeny Voropaev <evgeny.voropaev@tantorlabs.com>
wrote:

>
> And that difference in the HEAP_XMAX_COMMITED is the inconsistency, even
> when it is in garbage on a page. And, probably, it is not the only
> example of the problem.
>
I can't imagine that this action would cause any real issues. If you
know of any real problems, please tell me. Although I'm not
particularly against the idea of zeroing tuples, I don't see much
point in it, to be honest. But to ensure everyone's peace of mind,
I've made yet another commit that accomplishes this.

-- 
Best regards,
Maxim Orlov.