| From: | Stephen Frost <sfrost(at)snowman(dot)net> |
|---|---|
| To: | Aidan Van Dyk <aidan(at)highrise(dot)ca> |
| Cc: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>, Simon Riggs <simon(at)2ndQuadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Matthew Wakeling <matthew(at)flymine(dot)org>, Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc>, Dimitri <dimitrik(dot)fr(at)gmail(dot)com>, Dimitri Fontaine <dfontaine(at)hi-media(dot)com>, Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Merlin Moncure <mmoncure(at)gmail(dot)com>, PostgreSQL Performance <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: Any better plan for this query?.. |
| Date: | 2009-05-13 01:41:15 |
| Message-ID: | 20090513014115.GZ8123@tamriel.snowman.net |
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| Lists: | pgsql-performance |
* Aidan Van Dyk (aidan(at)highrise(dot)ca) wrote:
> But, what really does preforking give us? A 2 or 3% improvement? The
> forking isn't the expensive part, the per-database setup that happens is
> the expensive setup...
Obviously that begs the question- why not support pre-fork with specific
databases associated with specific backends that do the per-database
setup prior to a connection coming in? eg- I want 5 backends ready per
user database (excludes template0, template1, postgres).
Thoughts?
Thanks,
Stephen
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