Re: Additional message in pg_terminate_backend

From: Roman Khapov <rkhapov(at)yandex-team(dot)ru>
To: Daniel Gustafsson <daniel(at)yesql(dot)se>
Cc: pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: Additional message in pg_terminate_backend
Date: 2025-12-20 09:26:40
Message-ID: F6DCC9FF-002B-4CD5-9D36-5C8710142958@yandex-team.ru
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> On 17 Dec 2025, at 21:02, Daniel Gustafsson <daniel(at)yesql(dot)se> wrote:
>
> Greenplum already has support for passing a message in the terminate command
> doesnt it? Or at least it used to have but perhaps it was ripped out, my
> memory is getting a bit fuzzy.
>
> https://github.com/greenplum-db/gpdb-archive/commit/fa6c2d43d675aa05e2d9f797e3008f6fe075ee2c
>

Well, seems like I missed that patch..

Anyway, now I need same functionality in PostgreSQL, and your patch seems interesting,
especially in part where you keep messages in separated shmem region.

So I adopted your patch, maybe in that form it can be useful for PostgreSQL?

Attachment Content-Type Size
v2-0001-pg_terminate_backend_msg-and-pg_cancel_backend_ms.patch application/octet-stream 16.0 KB
unknown_filename text/plain 4 bytes

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