Re: pg_shmem_allocations view

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Andres Freund <andres(at)2ndquadrant(dot)com>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, Marti Raudsepp <marti(at)juffo(dot)org>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: pg_shmem_allocations view
Date: 2014-08-18 16:33:44
Message-ID: 4523.1408379624@sss.pgh.pa.us
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Andres Freund <andres(at)2ndquadrant(dot)com> writes:
> On 2014-08-18 12:27:12 -0400, Tom Lane wrote:
>> Should we consider putting it into an extension rather than having
>> it in the core system? That would offer some additional protection
>> for production systems, which really shouldn't have much need for
>> this IMO.

> I'd considered that somewhere upthread and decided that it'd require
> exposing to much internals from shmem.c/dsm.c without a corresponding
> benefit.

Well, we could have the implementation code in those modules but not
provide any SQL-level access to it without installing an extension.
The only extra thing visible in the .h files would be a function or two.

regards, tom lane

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