If using PostgreSQL, take a look at pgpool or pgbouncer, they will do some of the things you're expecting, without modifing a single line of web2py (keep pool_size=1).
Regards Mariano Reingart http://www.sistemasagiles.com.ar http://reingart.blogspot.com On Mon, Sep 27, 2010 at 9:48 PM, mdipierro <[email protected]> wrote: > I would not know how to do this. If you have a lot of users (say 1000) > how do you know when to close a connection? Do you keep all of them > open? > > On Sep 27, 3:25 pm, Josh J <[email protected]> wrote: >> Most applications connect to the database with one set of credentials, >> regardless of the user accessing the pages. The current pooling model >> works very well in this situation. >> >> My application must implement per-user connections to the database, >> where each user will have their own credentials for the database. >> >> It is simple enough to have web2py to establish a connection on each >> page load for the users, the difficulty lies with leaving persistent >> connections open between page loads. The simplest way I have found to >> do this is by making a SQLDB with pool_size=1 for each user. The >> problem with this method is that the users connection will stay open >> after they logout. >> >> I know it's possible to manage the connection pool by manipulating >> SQLDB._connection_pools externally from my app (say in >> auth.settings.logout_onlogout), however I would prefer to do something >> that I know won't break with future updates. >> >> So, community, I ask you, how should I be implementing per-user >> persistent database connections with web2py?

