It's possible runs pgPool-II on AIX?? thanks 2010/6/2 Merlin Moncure <mmoncure@xxxxxxxxx>: > On Tue, Jun 1, 2010 at 8:39 PM, Ernesto Quiñones <ernestoq@xxxxxxxxx> wrote: >> How many concurrence can support a server with 4 PPC Power 6 and 16GB RAM??!! >> >> I was thinking install the load balancing in this machine but maybe I >> could run PostgreSQL in this machine without problems for my >> concurrence > > For basic concurrency estimation you would need: > *) number of concurrent connections: > *) number of concurrent active users: > *) rough estimation of expected transactions per second > *) rough estimation of how much work (cpu, disk) for each user > > 300 users working at once can be handled from one server but is > getting close to where you should start thinking about a connection > pooler. The best (IMO) pooler is pgbouncer but it uses libevent which > does not list AIX under supported platforms > (http://www.monkey.org/~provos/libevent/). > > Connection pooler is not a load balancer. A pooler reduces the number > of connections to the database making kernel configuration and dealing > with high load situations easier. > > merlin > -- Inscríbete en las listas de APESOL http://www.apesol.org/listas.php ---------------------------------------------------------- Visita : http://www.eqsoft.net ---------------------------------------------------------- Sigueme en Twitter : http://www.twitter.com/ernestoq ---------------------------------------------------------- Noticias de software libre : http://www.twitter.com/noticiapinguino -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general