Re: recovering from "found xmin ... from before relfrozenxid ..."

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От Stephen Frost
Тема Re: recovering from "found xmin ... from before relfrozenxid ..."
Дата
Msg-id 20200713212825.GD12375@tamriel.snowman.net
обсуждение исходный текст
Ответ на recovering from "found xmin ... from before relfrozenxid ..."  (Robert Haas <robertmhaas@gmail.com>)
Ответы Re: recovering from "found xmin ... from before relfrozenxid ..."  (Tom Lane <tgl@sss.pgh.pa.us>)
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Greetings,

* Robert Haas (robertmhaas@gmail.com) wrote:
> - Do people think it would me smart/good/useful to include something
> like this in PostgreSQL?

Absolutely, yes.

> - If so, how? I would propose a new contrib module that we back-patch
> all the way, because the VACUUM errors were back-patched all the way,
> and there seems to be no advantage in making people wait 5 years for a
> new version that has some kind of tooling in this area.

While I agree that this would be a good and useful new contrib module to
have, I don't think it would be appropriate to back-patch it into PG
formally.

Unfortunately, that gets into the discussion that's cropped up on a few
other threads of late- that we don't have a good place to put extensions
which are well maintained/recommended by core PG hackers, and which are
able to work with lots of different versions of PG, and are versioned
and released independently of PG (and, ideally, built for all the
versions of PG that we distribute through our packages).

Given the lack of such a place today, I'd at least suggest starting with
proposing it as a new contrib module for v14.

> - Any ideas for additional things we should include, or improvements
> on the sketch above?

Not right off-hand, but will think about it, there could certainly be a
lot of very interesting tools in such a toolbox.

Thanks!

Stephen

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