| From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
|---|---|
| To: | Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> |
| Subject: | Re: dsm.c API tweak |
| Date: | 2017-03-24 23:35:07 |
| Message-ID: | 20170324233507.wek63deorm262zx7@alvherre.pgsql |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
Alvaro Herrera wrote:
> Per
> https://postgr.es/m/CAEepm=11ma_Z1HoPxPcSCANnh5ykHORa=HcA1U1V1+5S_jwPuA@mail.gmail.com
> it seems that the dsm.c API is a bit inconvenient right now. I proposed
> in the first patch in that thread to change the API so that a segment is
> marked as "pinned" if created with no ResourceOwner set as current;
> which is essentially the same as creating a fake one, then marking the
> segment as pinned.
>
> Thomas agrees with me, so I propose this patch as preparatory work for
> the autovacuum/BRIN stuff I'm interested in.
Here's the proposed patch.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
| Attachment | Content-Type | Size |
|---|---|---|
| 0001-Change-dsm.c-API-so-that-mappings-are-pinned-if-crea.patch | text/plain | 1.7 KB |
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Andrew Gierth | 2017-03-24 23:39:30 | Re: Hash support for grouping sets |
| Previous Message | Peter Eisentraut | 2017-03-24 23:31:37 | Re: [PATCH] Transaction traceability - txid_status(bigint) |