Parallel DB architechture

Lists: pgsql-general
From: aravind chandu <avin_friends(at)yahoo(dot)com>
To: postgresql Forums <pgsql-general(at)postgresql(dot)org>
Subject: Parallel DB architechture
Date: 2009-03-30 06:20:48
Message-ID: 323098.30993.qm@web31405.mail.mud.yahoo.com
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Lists: pgsql-general

Hello,

I would like to implement parallel DB Architecture in postgres.I came across various parallel architectures shared memory,shared disk,shared nothing,hierarchical.But I am unaware of how to implement one of these in real time system.Can you guys help me in this aspect?


From: Asko Oja <ascoja(at)gmail(dot)com>
To: aravind chandu <avin_friends(at)yahoo(dot)com>
Cc: postgresql Forums <pgsql-general(at)postgresql(dot)org>
Subject: Re: Parallel DB architechture
Date: 2009-03-30 07:52:37
Message-ID: ecd779860903300052r42298336wbf05f8f992c21ba4@mail.gmail.com
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Hello

We use plProxy (RUN ON ALL) to run queries in parallel.
We split our database into 16 shards and distributed it over 4 servers.
So now we are running queries on 16 cpu's in parallel :)

regards,
Asko

On Mon, Mar 30, 2009 at 9:20 AM, aravind chandu <avin_friends(at)yahoo(dot)com>wrote:

> Hello,
>
> I would like to implement parallel DB Architecture in postgres.I
> came across various parallel architectures shared memory,shared disk,shared
> nothing,hierarchical.But I am unaware of how to implement one of these in
> real time system.Can you guys help me in this aspect?
>
>


From: "Ow Mun Heng" <MunHeng(dot)Ow(at)wdc(dot)com>
To: "Asko Oja" <ascoja(at)gmail(dot)com>, "aravind chandu" <avin_friends(at)yahoo(dot)com>
Cc: "postgresql Forums" <pgsql-general(at)postgresql(dot)org>
Subject: Re: Parallel DB architechture
Date: 2009-03-30 08:08:34
Message-ID: D1109E8B2FB53A45BDB60F8145905CE901348538@wdmyexbe03.my.asia.wdc.com
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>>On Behalf Of Asko Oja
>>Hello

>>We use plProxy (RUN ON ALL) to run queries in parallel.
>>We split our database into 16 shards and distributed it over 4 servers.
>>So now we are running queries on 16 cpu's in parallel :)

Wow.. query time improved How many fold? Any idea?