Re: Build sizes vs docs

Magnus Hagander <magnus@hagander.net> writes:
> Came cross this when updating the cvs fix. We declare size requirements as:
>    Also check that you have sufficient disk space. You will need about
>    65 MB for the source tree during compilation and about  MB for
>    the installation directory. An empty database cluster takes about
>    25 MB; databases take about five times the amount of space that a
>    flat text file with the same data would take. If you are going to
>    run the regression tests you will temporarily need up to an extra
>    90 MB. Use the <command>df</command> command to check free disk

> My source *without* compile is 82 Mb, and with a build in it (linux
> i686) is 110Mb during compilations, rather than 65.
> An empty cluster takes about 33Mb.
> The regression database takes about 132Mb.
> (this is 8.4)

> Should we fix these numbers, or just remove them? They're clearly
> platform dependent, but perhaps there's still a point in including
> them - mainly as hints?

Maybe round them off to an order of magnitude.  I think it's useful
to have some idea of the size requirements, even if they change over
time.  It wouldn't be a bad idea to say "as of 8.4" or some such, too.
        regards, tom lane