Horton

Re: pgsql: Add suport for server-side LZ4 base backup compression.

Michael Paquier <michael@paquier.xyz>

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From: Michael Paquier <michael@paquier.xyz>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Robert Haas <robertmhaas@gmail.com>, Andres Freund <andres@anarazel.de>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2022-02-13T03:28:31Z
Lists: pgsql-hackers

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On Sat, Feb 12, 2022 at 05:16:03PM -0500, Tom Lane wrote:
> It looks to me like somebody figured it didn't need any more support
> than gzip/bzip2, which is wrong on a couple of grounds:
> * hardly any modern platforms lack those, unlike lz4
> * we don't invoke either one of them during testing, only when
>   you explicitly ask to make a compressed tarball
> 
> I think adding an explicit PGAC_PATH_PROGS would be worth the cycles.

Well, this somebody is I, and the buildfarm did not blow up on any of
that so that looked rather fine.  Adding a few cycles for this check
is fine by me.  What do you think of the attached?
--
Michael

Commits

  1. Remove command checks in tests of pg_basebackup and pg_receivewal

  2. Add ./configure check for "lz4" command

  3. Add suport for server-side LZ4 base backup compression.