| From: | Josh Berkus <josh(at)agliodbs(dot)com> |
|---|---|
| To: | elein <elein(at)varlena(dot)com> |
| Cc: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Resource Requirements |
| Date: | 2005-06-13 22:06:13 |
| Message-ID: | 200506131506.13803.josh@agliodbs.com |
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| Lists: | pgsql-performance |
Elein,
> I've got a list of old resource requirements.
> I want to know how far off they are and if anything
> crucial is missing. My usual recommendation is
> "as much as you can afford" so I don't usually deal
> with real numbers :)
These look very approximate.
> RAM:
> Number of connections * 2MB
That's not a bad recommendation, but not an actual requirement. It really
depends on how much sort_mem you need. Could vary from 0.5mb to as much
as 256mb per connection, depending on your application.
> Disk:
> Program and Manual 8-15MB
> Regression Tests 30MB
> Compiled Source 60-160MB
Well, my compiled source takes up 87mb, and the installed PostgreSQL seems
to be about 41mb including WAL. Not sure how much the regression tests
are.
--
--Josh
Josh Berkus
Aglio Database Solutions
San Francisco
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