| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, Daniel Gustafsson <daniel(at)yesql(dot)se>, Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, deniel1495(at)mail(dot)ru, Ibrar Ahmed <ibrar(dot)ahmad(at)gmail(dot)com>, tejeswarm(at)hotmail(dot)com, hlinnaka <hlinnaka(at)iki(dot)fi>, Masahiko Sawada <masahiko(dot)sawada(at)2ndquadrant(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Daniel Wood <hexexpert(at)comcast(dot)net> |
| Subject: | Re: Corruption during WAL replay |
| Date: | 2022-03-25 14:34:49 |
| Message-ID: | 3241547.1648218889@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Fri, Mar 25, 2022 at 10:02 AM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> 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.
regards, tom lane
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