| From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
|---|---|
| To: | Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru> |
| Cc: | Bernd Helmle <mailings(at)oopsware(dot)de>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Should we cacheline align PGXACT? |
| Date: | 2017-02-14 14:13:16 |
| Message-ID: | 20170214141316.2qprupx5qwcqzuzc@alvherre.pgsql |
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| Lists: | pgsql-hackers |
Alexander Korotkov wrote:
> On Tue, Feb 14, 2017 at 3:57 PM, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
> wrote:
> > Yes, I understand. I just mean that it could be done something like
> > this:
> >
> > #define PGXACTPadSize (PG_CACHE_LINE_SIZE - (offsetof(PGXACT, nxid) +
> > sizeof(uint8)))
>
> Yes, but I can't use such macro in the definition of PGXACT itself.
/me slaps forehead
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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