> Hi:
> 
> I want migrate to PostgreSQL 8.0.1 for Windows from 
> PostgreSQL 7.4.1, but I have a big problem.
> 
> In 7.4.1 I have a large view with nested views. It lasts 1 
> minute and 20 seconds to finish. In 8.0.1 for Windows it 
> lasts.... I don't know. One hour, two hour, one day... I 
> always cancel the view because it lasts forever.
> 
> Shared buffers and work mem in 8.0.1 are greater than those 
> of 7.4.1. So I think this isn't a memory problem. 
> Furthermore, the 8.0.1 server has double RAM than 7.4 server. 
> The "simples" views work right. But when I run the large view 
> the problem appears.
> 
> The database was migrated with pg_dumpall (8.0.1 version) and 
> restored with psql (8.0.1 version).
> 
> Please, I need help.

Did you run VACUUM ANALYZE on the restored database?

//Magnus

---------------------------(end of broadcast)---------------------------
TIP 8: explain analyze is your friend

Reply via email to