Re: remove more archiving overhead

On Thu, Jul 07, 2022 at 10:51:42AM -0700, Nathan Bossart wrote:
> +    library to ensure that it indeed does not overwrite an existing file.  When
> +    a pre-existing file is encountered, the archive library may return
> +    <literal>true</literal> if the WAL file has identical contents to the
> +    pre-existing archive.  Alternatively, the archive library can return

This should likely say something about ensuring the pre-existing file is
persisted to disk before returning true.

-- 
Nathan Bossart
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