Perhaps if you are doing a lot of inserts and deletes, vacuuming every 6 minutes would be closer to your mark. Try vacuuming every 15 minutes for a start and see how that affects things (you will have to do a vacuum full to get the tables back into shape after them slowing down as they have).


Enrico Weigelt wrote:
* David Mitchell <[EMAIL PROTECTED]> wrote:

Did you vacuum full?

When you do lots of inserts and deletes, dead tuples get left behind. When you vacuum, postgres will reuse those dead tuples, but if you don't vacuum for a long time these tuples will build up lots. Even when you vacuum in this case, the dead tuples are still there, although they are marked for reuse. Vacuuming full actually removes the dead tuples.

I'm doing a VACUUM ANALYZE every 6 hours.
vacuum'ing manually doesnt seem to have any effect on that.


David Mitchell
Software Engineer

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