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Re: [PERFORM] Postgres Clustering

From: Daniel van Ham Colchete <daniel(dot)colchete(at)gmail(dot)com>
To: Alan McKay <alan(dot)mckay(at)gmail(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org, pgsql-general(at)postgresql(dot)org
Subject: Re: [PERFORM] Postgres Clustering
Date: 2009-05-27 18:43:04
Message-ID: 8a0c7af10905271143h33fdfcf8tc0c81f3ee6a80242@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-generalpgsql-performance
Alan,

here I'm implementing something similar to the Chord protocol [1] on the
application level to partition my data across 6 PostgreSQL servers with N+1
replication. Two up sides on this approch:

1 - When one server is down the load is spread between all the other ones,
instead of going only to the replication pair.
2 - Adding one more server is easy, you only have to reallocate aprox. 1/n
of your data (n=number of servers).

Good luck there!

Best,
Daniel

On Wed, May 27, 2009 at 2:57 PM, Alan McKay <alan(dot)mckay(at)gmail(dot)com> wrote:

> Hey folks,
>
> I have done some googling and found a few things on the matter.  But
> am looking for some suggestions from the experts out there.
>
> Got any good pointers for reading material to help me get up to speed
> on PostgreSQL clustering?   What options are available?  What are the
> issues?  Terminology.  I'm pretty new to the whole data-warehouse
> thing.   And once I do all the reading, I'll even be open to product
> recommendations :-)
>
> And in particular since I already have heard of this particular
> product - are there any opinions on Continuent?
>
> thanks,
> -Alan
>
> --
> “Mother Nature doesn’t do bailouts.”
>         - Glenn Prickett
>
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