Re: Changing shared_buffers without restart

Dmitry Dolgov <9erthalion6@gmail.com>

From: Dmitry Dolgov <9erthalion6@gmail.com>

To: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>

Cc: Thomas Munro <thomas.munro@gmail.com>, pgsql-hackers@postgresql.org, Jack Ng <Jack.Ng@huawei.com>, Ni Ku <jakkuniku@gmail.com>

Date: 2025-06-20T10:22:42Z

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 →

Remove PG_MMAP_FLAGS from mem.h
- c100340729b6 19 (unreleased) landed
Improve runtime and output of tests for replication slots checkpointing.
- 4464fddf7b50 18.0 cited
Revert support for improved tracking of nested queries
- f85f6ab051b7 18.0 cited
Use exported symbols list on macOS for loadable modules as well
- 3feff3916ee1 18.0 cited
Add support for basic NUMA awareness
- 65c298f61fc7 18.0 cited
Avoid unnecessary copying of a string in pg_restore.c
- 5e1915439085 18.0 cited
aio: Infrastructure for io_method=worker
- 55b454d0e140 18.0 cited
Improve InitShmemAccess() prototype
- 2a7b2d97171d 18.0 landed

> On Fri, Jun 20, 2025 at 12:19:31PM +0200, Dmitry Dolgov wrote:
> Thanks! I've reworked the series to implement approach suggested by
> Thomas, and applied your patches to support buffers shrinking on top. I
> had to restructure the patch set, here is how it looks like right now:

The base-commit was left in the cover letter which I didn't post, so for
posterity:

    base-commit: 4464fddf7b50abe3dbb462f76fd925e10eedad1c