On Wed, Aug 11, 2021 at 11:23:52PM +0000, Bossart, Nathan wrote:
> I think BootstrapModeMain() makes the most sense.  It fits in nicely
> with the --check logic that's already there.  With v3, the following
> command can be used to retrieve the amount of shared memory required.
> 
>         postgres --output-shmem -D dir
> 
> While testing this new option, I noticed that you can achieve similar
> results today with the following command, although this one will
> actually try to create the shared memory, too.

That may not be the best option.

> IMO the new option is still handy, but I can see the argument that it
> might not be necessary.

A separate option looks handy.  Wouldn't it be better to document it
in postgres-ref.sgml then?
--
Michael

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