Re: Multiple DB join - Mailing list pgsql-sql

From Jorge Godoy
Subject Re: Multiple DB join
Date
Msg-id 87ejvi6sib.fsf@ieee.org
Whole thread Raw
In response to Re: Multiple DB join  (Andrew Sullivan <ajs@crankycanuck.ca>)
Responses Re: Multiple DB join  (Andrew Sullivan <ajs@crankycanuck.ca>)
List pgsql-sql
Andrew Sullivan <ajs@crankycanuck.ca> writes:

> On Tue, Aug 15, 2006 at 09:01:03AM -0300, Jorge Godoy wrote:
>> I can think that spreading processing requirements should be one.  And
>> distributing load another one.  Disk space can be solved with new disks and
>> tablespaces, but we can't yet distribute the load through several servers
>> without partitioning.
>
> The cost of inter-node communication isn't nothing, though.  It
> strikes me as at least possible that the overhead of dblink is going
> to be larger than whatever gains one makes from adding a new server. 
> For only 20M rows, I find it pretty hard to believe the gain is going
> to be demonstrable.

I totally agree with you.  But when your base grows, it might start getting
interesting. 

I'd like to see some sort of data partitioning in PostgreSQL.

-- 
Jorge Godoy      <jgodoy@gmail.com>



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