> There are ~100 tables in the database and one of them (tableOne) always
> contains only a single row. There's one index on it. However performing
> update on the single row (which occurs every 60 secs) takes a
> considerably long time -- around 200ms. The system is not loaded in any
> way.
How often is the the table VACUUMed ?
At the mentioned update rate, the table has a daily growth of 1440 dead row
versions.
Helder M. Vieira