David Parker wrote:
> Is anybody running postgres in a similar constrained environment, or
> are there any general tips on controlling disk usage that somebody
> could point me to?
PostgreSQL is not particularly tuned to such scenarios. The only chance
you have to control disk usage is to vacuum and checkpoint a lot.
There is no general "use only X bytes" control, nor a combination of
controls that amount to such.
--
Peter Eisentraut
http://developer.postgresql.org/~petere/