Re: like pg_shmem_allocations, but fine-grained for DSM registry ?

Florents Tselai <florents.tselai@gmail.com>

From: Florents Tselai <florents.tselai@gmail.com>
To: Nathan Bossart <nathandbossart@gmail.com>
Cc: pgsql-hackers <pgsql-hackers@lists.postgresql.org>
Date: 2025-07-08T16:13:04Z
Lists: pgsql-hackers

> On 8 Jul 2025, at 11:21 PM, Nathan Bossart <nathandbossart@gmail.com> wrote:
> 
> On Tue, Jul 08, 2025 at 07:17:54PM +0800, Florents Tselai wrote:
>> I can't see how it's possible to get the actual size for the dsa and dsh case,
>> without attaching and then using, dsa_get_total_size on the attached dsa.
>> And I don't think we wanna do that.
>> 
>> Instead maybe we can just report NULL for the dsa and dsh cases?
> 
> Yeah, I'm not sure what else we can do about that without a bunch of
> refactoring work on the DSA/dshash side, and it's probably not worth the
> effort, anyway.


I agree. In that case I think v5 should be enough.