Horton

Re: Different compression methods for FPI

Justin Pryzby <pryzby@telsasoft.com>

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From: Justin Pryzby <pryzby@telsasoft.com>
To: Michael Paquier <michael@paquier.xyz>
Cc: Andrey Borodin <x4mmm@yandex-team.ru>, pgsql-hackers@postgresql.org
Date: 2021-03-01T05:03:27Z
Lists: pgsql-hackers 
On Mon, Mar 01, 2021 at 01:57:12PM +0900, Michael Paquier wrote:
> On Sun, Feb 28, 2021 at 05:08:17PM -0600, Justin Pryzby wrote:
> > Does this need to patch ./configure{,.ac} and Solution.pm for HAVE_LIBLZ4 ?
> > I suggest to also include an 0002 patch (not for commit) which changes to use a
> > non-default compression, to exercise this on the CIs - linux and bsd
> > environments now have liblz4 installed, and for windows you can keep "undef".
> 
> Good idea.  But are you sure that lz4 is available in the CF bot
> environments?

Yes, see here
https://www.postgresql.org/message-id/flat/20210119205643.GA1941%40telsasoft.com

-- 
Justin

Commits

  1. Add more error context to RestoreBlockImage() and consume it

  2. Add support for LZ4 with compression of full-page writes in WAL

  3. Extended statistics on expressions

  4. Be clear about whether a recovery pause has taken effect.

  5. Add GUC to enable compression of full page images stored in WAL.