On Wed, 3 Dec 2025 at 15:04, Heikki Linnakangas <hlinnaka@iki.fi> wrote:
There are plenty of such critical bytes in the system where a single bit flip renders the whole block unreadable. Actually, if we had checksums on SLRU pages, a single bit flip anywhere in the page would make the checksum fail and render the block unreadable.
Correct. However, my concern about the lack of checksums for SLRU wasn't about data loss and the impossibility of recovering it, but about the impossibility of detecting the error. But it is how it is for now.
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