| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | Stephen Frost <sfrost(at)snowman(dot)net>, Robert Haas <robertmhaas(at)gmail(dot)com>, 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: | 2021-05-26 01:57:47 |
| Message-ID: | 20210526015747.yhs2efwylnzuzx7f@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
On 2021-05-25 21:51:31 -0400, Bruce Momjian wrote:
> How do we prevent torn pages if we are writing the page with a new
> nonce, and no WAL-logged full page image?
That should only arise if we are guaranteed to replay from a redo point
that is followed by at least one FPI for the page we're about to write?
- Andres
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