Re: Multithreaded query onto 4 postgresql instances

For shure my life is more complex with this configuration :-D

But the performance tests that I performed (described in the prevoius
thread) tell me that this is a good way...
>> Otherwise you probably didn't gain anything
>> by splitting your database up like that - you've just reduced the
>> available resources on that single machine.
>>
> Unless that single machine has more resource than a single PG instance can
> consume to satisfy one query. (see how much faster a greenplum single node
> can be at some workloads on a server with lots of disk)
>
> What is commonly considered commodity hardware often has plenty of spare
> resources if deployed with stock PG in a data warehouse roll and doesn't
> have many queries being run against it at any given time.
>
>
> Of course if he doesn't have spare resources on the machine he might just be
> making his life worse, and far more complex.
>
>
> Just my thoughts, I don't consider myself an expert on the subject matter.
> Mark
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--
Alessandro Candini

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