Re: New IndexAM API controlling index vacuum strategies - Mailing list pgsql-hackers

From Peter Geoghegan
Subject Re: New IndexAM API controlling index vacuum strategies
Date
Msg-id CAH2-WzkS-gxSNnd2jywep0b=T4au=1j5PgYk8k1bN_NyMBbfVQ@mail.gmail.com
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In response to Re: New IndexAM API controlling index vacuum strategies  (Masahiko Sawada <sawada.mshk@gmail.com>)
Responses Re: New IndexAM API controlling index vacuum strategies
Re: New IndexAM API controlling index vacuum strategies
List pgsql-hackers
On Mon, Apr 12, 2021 at 11:05 PM Masahiko Sawada <sawada.mshk@gmail.com> wrote:
> I realized that when the failsafe is triggered, we don't bypass heap
> truncation that is performed before updating relfrozenxid. I think
> it's better to bypass it too. What do you think?

I agree. Bypassing heap truncation is exactly the kind of thing that
risks adding significant, unpredictable delay at a time when we need
to advance relfrozenxid as quickly as possible.

I pushed a trivial commit that makes the failsafe bypass heap
truncation as well just now.

Thanks
-- 
Peter Geoghegan



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