| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: POC: Sharing record typmods between backends |
| Date: | 2017-08-16 00:30:16 |
| Message-ID: | CA+TgmoZ9-kagi1Y8Z28HspbEMB4+fy3DeeByT-yw-uwk_yY3LQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Aug 15, 2017 at 6:06 PM, Andres Freund <andres(at)anarazel(dot)de> wrote:
> Interesting. I was apparently thinking slightly differently. I'd have
> thought we'd have Session struct in statically allocated shared
> memory. Which'd then have dsa_handle, dshash_table_handle, ... members.
Sounds an awful lot like what we're already doing with PGPROC.
I am not sure that inventing a Session thing that should have 500
things in it but actually has the 3 that are relevant to this patch is
really a step forward. In fact, it sounds like something that will
just create confusion down the road.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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