Re: Number of connections

Roberts, Jon wrote:
> I've noticed that when using pgAdmin, each user will have multiple
> connections to the database.  We actually observe three connections for each
> user which seem to be:
> 1.  pgAdmin UI
> 2.  Maintenance database
> 3.  Query Window
>
> Then for each Query Window, there is another connection created.  So if a
> user wants to execute two concurrent queries, they actually have four
> database connections open.
>
> Wouldn't it be better to create a connection pool and only increment beyond
> one connection to the database when there are true concurrent requests?  I
> believe this is how M$ SQL Server handles this.
>
> Alternatively, limiting the client to only one connection would be OK too
> and be less work than implementing a connection pool.  Maybe this could be a
> configuration setting. (Multi-thread yes/no).

Would be problematic at least for the Query Windows, because the SQL
script might set session-variables, create temp tables etc.

--
   Heikki Linnakangas
   EnterpriseDB   http://www.enterprisedb.com