Re: ZStandard (with dictionaries) compression support for TOAST compression

Robert Haas <robertmhaas@gmail.com>

From: Robert Haas <robertmhaas@gmail.com>

To: Nikhil Kumar Veldanda <veldanda.nikhilkumar17@gmail.com>

Cc: pgsql-hackers@postgresql.org

Date: 2025-03-06T19:15:03Z

Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

Split regression tests for TOAST compression methods into two files
- 74a3fc36f314 19 (unreleased) landed
Refactor non-supported compression error message in toast_compression.c
- 1dbe6f76677c 19 (unreleased) landed

On Thu, Mar 6, 2025 at 12:43 AM Nikhil Kumar Veldanda
<veldanda.nikhilkumar17@gmail.com> wrote:
> Notably, this is the first compression algorithm for Postgres that can make use of a dictionary to provide higher levels of compression, but dictionaries have to be generated and maintained,

I think that solving the problems around using a dictionary is going
to be really hard. Can we see some evidence that the results will be
worth it?

-- 
Robert Haas
EDB: http://www.enterprisedb.com