On Fri, Mar 25, 2022 at 10:34:49AM -0400, Tom Lane wrote: > Robert Haas <robertmh...@gmail.com> writes: >> On Fri, Mar 25, 2022 at 10:02 AM Tom Lane <t...@sss.pgh.pa.us> wrote: >>> Adding another 16 bits won't get you to that, sadly. Yeah, it *might* >>> extend the MTTF to more than the project's likely lifespan, but that >>> doesn't mean we couldn't get unlucky next week. > >> I suspect that the number of bits Andres wants to add is no less than 48. > > I dunno. Compatibility and speed concerns aside, that seems like an awful > lot of bits to be expending on every page compared to the value.
Err. And there are not that many bits that could be recycled for this purpose in the current page layout, aren't there? -- Michael
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