Re: PostgreSQL Arrays and Performance

> This sounds like it has more to do with inadequate freespace map
> settings than use of arrays. Every update creates a dead tuple, and
> if
> it is large (because the array is large) and leaked (because you have
> no
> room in your freespace map), that would explain a rapidly increasing
> database size.

Can you tell me more about free-space map settings? What exactly is the
free-space map? The information in the documentation is not very
helpful. How can dead tuples leak?

Regards, Marc Philipp