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List:       pgsql-performance
Subject:    Re: [PERFORM] how can a couple of expensive queries drag my system down?
From:       Erik Jones <erik () myemma ! com>
Date:       2008-03-27 15:13:37
Message-ID: A79F9B63-2EF3-442C-8145-8AFF89DBCF4C () myemma ! com
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On Mar 26, 2008, at 3:31 PM, Scott Marlowe wrote:
> On Wed, Mar 26, 2008 at 1:48 PM, p prince <pprince127@gmail.com>  
> wrote:
>> is this 'normal'? (loaded question I know)
>> Should I be looking to offload expensive reporting queries to read- 
>> only
>> replicants of my database?
>
> Yes, definitely look into setting up something like a slony slave
> that's used for reporting queries.  The nice thing about this setup is
> you only need to replicate the tables you run reports against.

For simple two-node (i.e. no cascaded replication) I'd suggest looking  
into Londiste.  It's loads easier to wrap your head around and it's  
extremely easy to add/remove tables from replication as it doesn't  
deal with "table sets" like Slony does.

Erik Jones

DBA | EmmaŽ
erik@myemma.com
800.595.4401 or 615.292.5888
615.292.0777 (fax)

Emma helps organizations everywhere communicate & market in style.
Visit us online at http://www.myemma.com




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