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help / color / mirror / Atom feedFrom: Andres Freund <[email protected]>
To: Peter Geoghegan <[email protected]>
Cc: Robert Haas <[email protected]>
Cc: Masahiko Sawada <[email protected]>
Cc: John Naylor <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Subject: Re: do only critical work during single-user vacuum?
Date: Wed, 16 Feb 2022 10:18:46 -0800
Message-ID: <[email protected]> (raw)
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Hi,
On 2022-02-16 10:14:19 -0800, Peter Geoghegan wrote:
> Absolutely -- couldn't agree more. Do you think it's worth targeting
> 14 here, or just HEAD?
I'd go for HEAD first, but wouldn't protest against 14.
> I'm pretty sure that some people believe that wraparound can cause
> actual data corruption
Well, historically they're not wrong. And we've enough things stored in 32bit
counters that I'd be surprised if we didn't have more wraparound issues. Of
course that's not related to anti-wrap vacuums...
Greetings,
Andres Freund
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