Re: zstd compression for pg_dump

On Mon, Dec 21, 2020 at 03:02:40PM -0500, Tom Lane wrote:
> Justin Pryzby <pryzby@telsasoft.com> writes:
> > I found that our largest tables are 40% smaller and 20% faster to pipe
> > pg_dump -Fc -Z0 |zstd relative to native zlib
> 
> The patch might be a tad smaller if you hadn't included a core file in it.

About 89% smaller.

This also fixes the extension (.zst)
And fixes zlib default compression.
And a bunch of cleanup.

-- 
Justin