Re: multithreaded zstd backup compression for client and server

Robert Haas <robertmhaas(at)gmail(dot)com> writes:

> On Thu, Mar 24, 2022 at 9:19 AM Dagfinn Ilmari Mannsåker
> <ilmari(at)ilmari(dot)org> wrote:
>> Per the TAP protocol, every line of non-test-result output should be
>> prefixed by "# ". The note() function does this for you, see
>> https://metacpan.org/pod/Test::More#Diagnostics for details.
>
> True, but that also means it shows up in the actual failure message,
> which seems too verbose. By just using 'print', it ends up in the log
> file if it's needed, but not anywhere else. Maybe there's a better way
> to do this, but I don't think using note() is what I want.

That is the difference between note() and diag(): note() prints to
stdout so is not visible under a non-verbose prove run, while diag()
prints to stderr so it's always visible.

- ilmari