| From: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Michael Glaesemann <grzm(at)seespotcode(dot)net>, Martijn van Oosterhout <kleptog(at)svana(dot)org>, "Bort, Paul" <pbort(at)tmwsystems(dot)com>, Neil Conway <neilc(at)samurai(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: GUC with units, details |
| Date: | 2006-07-27 08:32:22 |
| Message-ID: | 200607271032.23816.peter_e@gmx.net |
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| Lists: | pgsql-hackers |
Tom Lane wrote:
> It is. For instance shared_buffers is configured as the number of
> buffers. What we're talking about here is ways to specify the
> intended usage with other units (eg "I want N megabytes of shared
> buffers") but that's not going to magically let you allocate half a
> shared buffer. Peter's not said exactly how he plans to deal with
> this, but I suppose it'll round off one way or the other ...
It'll get truncated by integer division. I wouldn't mind if someone
proposed a patch to create a warning or error in this case, but I
wanted to keep the initial version simple.
--
Peter Eisentraut
http://developer.postgresql.org/~petere/
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