[snip]
> It would be interesting to know what the bottleneck is for temp tables
> for you. They do not go via the buffer-cache, they are stored in
[snip]
Is it possible that the temp table creation is the bottleneck ? Would
that write into system catalogs ? If yes, maybe the system catalogs are
not adequately vacuumed/analyzed.
Just a thought.
Cheers,
Csaba.