| From: | Neil Chen <carpenter(dot)nail(dot)cz(at)gmail(dot)com> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, Andres Freund <andres(at)anarazel(dot)de>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, Tom Kincaid <tomjohnkincaid(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Masahiko Sawada <masahiko(dot)sawada(at)2ndquadrant(dot)com> |
| Subject: | Re: storing an explicit nonce |
| Date: | 2021-05-28 06:16:54 |
| Message-ID: | CAA3qoJks3eA6YAUehipf5fF5j66WAviMGq+vSVduJxpeOdkczw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, May 28, 2021 at 2:12 PM Neil Chen <carpenter(dot)nail(dot)cz(at)gmail(dot)com>
wrote:
>
> When the checksums are disabled, we can use these unused checksum values
> as a counter to make sure we have different nonce even if we don't write
> the new WAL record.
>
>
Ah, well, I think I've figured it out for myself. In this way, we can't
protect against torn pages...
--
There is no royal road to learning.
HighGo Software Co.
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