Re: WAL usage calculation patch

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От Julien Rouhaud
Тема Re: WAL usage calculation patch
Дата
Msg-id CAOBaU_Z5dK=cMXTaEEgXNCY7GrsBnVfk4vwK2h7o+2Aowb33Qw@mail.gmail.com
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Ответ на Re: WAL usage calculation patch  (Justin Pryzby <pryzby@telsasoft.com>)
Ответы Re: WAL usage calculation patch
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Hi Justin,

Thanks for the review!

On Sat, Apr 18, 2020 at 10:41 PM Justin Pryzby <pryzby@telsasoft.com> wrote:
>
> Should capitalize at least the non-text one ?  And maybe the text one for
> consistency ?
>
> +               ExplainPropertyInteger("WAL fpw", NULL,

I think we should keep both version consistent, whether lower or upper
case.  The uppercase version is probably more correct, but it's a
little bit weird to have it being the only upper case label in all
output, so I kept it lower case.

> And add the acronym to the docs:
>
> $ git grep 'full page' '*/explain.sgml'
> doc/src/sgml/ref/explain.sgml:      number of records, number of full page writes and amount of WAL bytes
>
> "..full page writes (FPW).."

Indeed!  Fixed (using lowercase to match current output).

> Should we also change vacuumlazy.c for consistency ?
>
> +                                                        _("WAL usage: %ld records, %ld full page writes, "
> +                                                          UINT64_FORMAT " bytes"),

I don't think this one should be changed, vacuumlazy output is already
entirely different, and is way more verbose so keeping it as is makes
sense to me.

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