Re: Configuring a Large RAM PostgreSQL Server

Alex Hochberger wrote:
> Does anyone have any white papers or basic guides for a large RAM server?
>
> We are consolidating two databases to enable better data-mining that
> currently run on a 4 GB and 2 GB machine.  The data issues on the 4 GB
> machine are numerous, things like "create index" fail and update queries
> fail from out of memory issues.

>    Problem Usage: we have a 20GB table with 120m rows that we are
> splitting into some sub-tables.  Generally, we do large data pulls from
> here, 1 million - 4 million records at a time, stored in a new table for
> export.  These queries are problematic because we are unable to index
> the database for the queries that we run because we get out of memory
> errors.

Would it not make sense to find out why you are getting these errors first?

It's not normal to get "out of memory" when rebuilding an index.

--
   Richard Huxton
   Archonet Ltd