Re: Online verification of checksums

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Stephen Frost <sfrost(at)snowman(dot)net>
Cc: Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Michael Banck <michael(dot)banck(at)credativ(dot)de>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Online verification of checksums
Date: 2019-03-18 07:34:12
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On Mon, Mar 18, 2019 at 02:38:10AM -0400, Stephen Frost wrote:
> Uh, we are, of course, going to have partial reads- we just need to
> handle them appropriately, and that's not hard to do in a way that we
> never have false positives.

Ere, my apologies here. I meant the read of a torn page, not a
partial read (when extending the relation file we have locks
preventing from a partial read as well by the way).

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