| From: | Josh Berkus <josh(at)agliodbs(dot)com> |
|---|---|
| To: | Gregory Stark <stark(at)enterprisedb(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Heikki Linnakangas <heikki(at)enterprisedb(dot)com>, pgsql-hackers(at)postgresql(dot)org, Robert Treat <xzilla(at)users(dot)sourceforge(dot)net>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Greg Smith <gsmith(at)gregsmith(dot)com>, Andreas Pflug <pgadmin(at)pse-consulting(dot)de>, "Decibel!" <decibel(at)decibel(dot)org> |
| Subject: | Re: Overhauling GUCS |
| Date: | 2008-06-12 00:37:40 |
| Message-ID: | 48506FD4.7020804@agliodbs.com |
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| Lists: | pgsql-hackers |
Greg,
> At least that way we could always steal more if we want or return some, as
> long as we're careful about when we do it. That would open the door to having
> these parameters be dynamically adjustable. That alone would be worthwhile
> even if we bypass all bells and whistles of the buffer manager.
>
One hitch, though, is that asynchronous commit could consume big chunks
of shared_buffers. So we might still need a limit for people who are
using async.
--Josh
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