Re: [PERFORM] Less rows -> better performance?

Andreas Hartmann wrote:
> Dear PostgreSQL community,
>
> first some info about our application:
>
> - Online course directory for a University
> - Amount of data: complete dump is 27 MB
> - Semester is part of primary key in each table
> - Data for approx. 10 semesters stored in the DB
> - Read-only access from web application (JDBC)
>
> Our client has asked us if the performance of the application could be
> improved by moving the data from previous years to a separate "archive"
> application.

If you had 27GB of data maybe, but you've only got 27MB - that's
presumably all sitting in memory.

What in particular is slow?

--
Richard Huxton
Archonet Ltd

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