21.11.2019 16:45, Norman Dunbar wrote:
Apparently, checksums have not been used for some years after it was discovered that the checksumming process consumed too much of the CPU?
It is not so AFAIK. Just probability of "teared writing" of database pages was dropped to about zero some day.
My document still mentions the checksums and the -i[gnore] switch, so if this is no longer used, I can update that part of the docs too.
Checksums are not used as checksums but the field in the page header is still checked for a hardcoded constant. It allow to detect cases when whole page is filled with garbage.
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