Re: reloption to prevent VACUUM from truncating empty pages at the end of relation

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От Tom Lane
Тема Re: reloption to prevent VACUUM from truncating empty pages at the end of relation
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Msg-id 29884.1551467853@sss.pgh.pa.us
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Ответ на Re: reloption to prevent VACUUM from truncating empty pages at theend of relation  (Andres Freund <andres@anarazel.de>)
Ответы Re: reloption to prevent VACUUM from truncating empty pages at theend of relation
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Andres Freund <andres@anarazel.de> writes:
> OTOH, as the main reason for wanting to disable truncation is that a
> user is getting very undesirable HS conflicts, it doesn't seem right to
> force them to change the reloption on all tables, and then somehow force
> it to be set on all tables created at a later stage. I'm not sure how
> that'd be better?

I think we should reject the whole patch, tbh, and go do something
about the underlying problem instead.  Once we've made truncation
not require AEL, this will be nothing but a legacy wart that we'll
have a hard time getting rid of.

            regards, tom lane


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