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From: Tom Lane <[email protected]>
To: 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: Fri, 25 Mar 2022 10:02:04 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <CA+Tgmoa=1a+A_gK4gqBf7ypK9NyY5bo--Wqc7Wp3xm8fjsrUOQ@mail.gmail.com>
References: <CA+Tgmoa_TAJsUnFWzTevg=FzgXFyiHLJAY_L-jMDA=mH=ytysg@mail.gmail.com>
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Robert Haas <[email protected]> writes:
> On Fri, Mar 25, 2022 at 9:49 AM Tom Lane <[email protected]> wrote:
>> That'll just reduce the probability of failure, not eliminate it.

> I mean, if the expected time to the first failure on even 1 machine
> exceeds the time until the heat death of the universe by 10 orders of
> magnitude, it's probably good enough.

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.

			regards, tom lane

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