Re: Slow update query

elias ghanem wrote:

> Actually this query is inside a function and this function is called
> from a .sh file using the following syntax: psql -h $DB_HOST -p $DB_PORT
> -d $DB_NAME -U $DB_USER -c "SELECT testupdate()"
>
>  (the function is called 100 times with a vacuum analyze after each call
> for the table).
>
> So the average execution time of the function is around 2.5 mins,
> meaning that the update query (+ the vacuum) takes 2.5 mins to execute.
> So is this a normal behavior? (The same function in oracle with the same
> environment (with our vacuum obviously) is executed in 11 second).

It might be worth measuring using psql's \timing to see how long the
update and the vacuum take individually.

--
Craig Ringer