Re: Should we remove vacuum_defer_cleanup_age?

On 2023-Mar-17, Andres Freund wrote:

> I started writing a test for vacuum_defer_cleanup_age while working on the fix
> referenced above, but now I am wondering if said energy would be better spent
> removing vacuum_defer_cleanup_age alltogether.

+1  I agree it's not useful anymore.

> I don't think I have the cycles to push this through in the next weeks, but if
> we agree removing vacuum_defer_cleanup_age is a good idea, it seems like a
> good idea to mark it as deprecated in 16?

Hmm, for the time being, can we just "disable" it by disallowing to set
the GUC to a value different from 0?  Then we can remove the code later
in the cycle at leisure.

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