W liście z śro, 05-11-2003, godz. 19:34, Tom Lane pisze: > Marek Florianczyk <[EMAIL PROTECTED]> writes: > > But did you do that under some database load ? eg. 100 clients > > connected, like in my example ? When I do these queries "\d" without any > > clients connected and after ANALYZE it's fast, but only 100 clients is > > enough to lengthen query time to 30 sec. :( > > Then it's not \d's fault --- you simply don't have enough horsepower to > support 100 concurrent clients, regardless of what specific query you're > testing. > > You might find that not reconnecting so often would improve matters; > I'm sure that a lot of your cycles are being taken by backend startup.
Maybe reconnect is to often, but how to explain that reular queries like select * from table1 ale much faster than \d's ? ( my post to Jeff ) Marek ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])