Re: Parallel CREATE INDEX for GIN indexes

Tomas Vondra <tomas@vondra.me>

From: Tomas Vondra <tomas@vondra.me>

To: Matthias van de Meent <boekewurm+postgres@gmail.com>

Cc: Kirill Reshke <reshkekirill@gmail.com>, Michael Paquier <michael@paquier.xyz>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>

Date: 2025-03-04T19:50:43Z

Lists: pgsql-hackers

Attachments

v20250304-0001-Use-a-single-GIN-tuplesort.patch (text/x-patch) patch v20250304-0001
v20250304-0002-WIP-parallel-inserts-into-GIN-index.patch (text/x-patch) patch v20250304-0002

I pushed the two smaller parts today.

Here's the remaining two parts, to keep cfbot happy. I don't expect to
get these into PG18, though.


regards

-- 
Tomas Vondra

Commits

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

Exercise parallel GIN builds in regression tests
- f6e5d21bf73f 19 (unreleased) landed
- 32593394ee43 18.2 landed
Lookup the correct ordering for parallel GIN builds
- db14dcdec69d 19 (unreleased) landed
- eee71a66cc86 18.2 landed
Fix memory leak in _gin_parallel_merge
- 1681a70df3d6 18.0 landed
Enforce memory limit during parallel GIN builds
- b229c1016477 18.0 landed
Compress TID lists when writing GIN tuples to disk
- 0b2a45a5d1f2 18.0 landed
Allow parallel CREATE INDEX for GIN indexes
- 8492feb98f6d 18.0 landed