It's possible runs pgPool-II on AIX??
thanks
2010/6/2 Merlin Moncure <mmoncure@gmail.com>:
> On Tue, Jun 1, 2010 at 8:39 PM, Ernesto Quiñones <ernestoq@gmail.com> 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
>
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