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help / color / mirror / Atom feedFrom: Michael Paquier <[email protected]>
To: Tom Lane <[email protected]>
Cc: Robert Haas <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: Daniel Gustafsson <[email protected]>
Cc: Kyotaro Horiguchi <[email protected]>
Cc: [email protected]
Cc: Ibrar Ahmed <[email protected]>
Cc: [email protected]
Cc: hlinnaka <[email protected]>
Cc: Masahiko Sawada <[email protected]>
Cc: [email protected] <[email protected]>
Cc: Daniel Wood <[email protected]>
Subject: Re: Corruption during WAL replay
Date: Sat, 26 Mar 2022 15:03:00 +0900
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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<[email protected]>
On Fri, Mar 25, 2022 at 10:34:49AM -0400, Tom Lane wrote:
> Robert Haas <[email protected]> writes:
>> On Fri, Mar 25, 2022 at 10:02 AM Tom Lane <[email protected]> wrote:
>>> Adding another 16 bits won't get you to that, sadly. Yeah, it *might*
>>> extend the MTTF to more than the project's likely lifespan, but that
>>> doesn't mean we couldn't get unlucky next week.
>
>> I suspect that the number of bits Andres wants to add is no less than 48.
>
> I dunno. Compatibility and speed concerns aside, that seems like an awful
> lot of bits to be expending on every page compared to the value.
Err. And there are not that many bits that could be recycled for this
purpose in the current page layout, aren't there?
--
Michael
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Subject: Re: Corruption during WAL replay
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