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help / color / mirror / Atom feedFrom: Bruce Momjian <[email protected]>
To: Hannu Krosing <[email protected]>
Cc: Luke Lonergan <[email protected]>
Cc: PostgreSQL-documentation <[email protected]>
Cc: PostgreSQL-development <[email protected]>
Subject: Re: [HACKERS] Replication documentation addition
Date: Wed, 25 Oct 2006 10:28:15 -0400 (EDT)
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
I have added this text:
Commercial Solutions
--------------------
Because PostgreSQL is open source and easily extended, a number of
companies have taken PostgreSQL and created commercial closed-source
solutions with unique failover, replication, and load balancing
capabilities.
---------------------------------------------------------------------------
Hannu Krosing wrote:
> ?hel kenal p?eval, T, 2006-10-24 kell 22:57, kirjutas Bruce Momjian:
> > I don't think the PostgreSQL documentation should be mentioning
> > commercial solutions.
>
> IMNSHO, having commercial solutions based on postgresql which extend
> postgres in directions not (yet?) done by core postgres is nothing to be
> ashamed of.
>
> And we should at least mention the OSS version of Bizgres as a place
> where quite a lot of initial development is done on performance
> improvements considered too risky for mainline postgresql.
>
> And if you need a more technical reason, you can use free libpq and psql
> to connect to even Bizgres MPP ;)
>
>
> > ---------------------------------------------------------------------------
> >
> > Luke Lonergan wrote:
> > > Bruce,
> > >
> > > > -----Original Message-----
> > > > From: [email protected]
> > > > [mailto:[email protected]] On Behalf Of Bruce Momjian
> > > > Sent: Tuesday, October 24, 2006 5:16 PM
> > > > To: Hannu Krosing
> > > > Cc: PostgreSQL-documentation; PostgreSQL-development
> > > > Subject: Re: [HACKERS] Replication documentation addition
> > > >
> > > >
> > > > OK, I have updated the URL. Please let me know how you like it.
> > >
> > > There's a typo on line 8, first paragraph:
> > >
> > > "perhaps with only one server allowing write rwork together at the same
> > > time."
> > >
> > > Also, consider this wording of the last description:
> > >
> > > "Single-Query Clustering..."
> > >
> > > Replaced by:
> > >
> > > "Shared Nothing Clustering
> > > -----------------------
> > >
> > > This allows multiple servers with separate disks to work together on a
> > > each query.
> > > In shared nothing clusters, the work of answering each query is
> > > distributed among
> > > the servers to increase the performance through parallelism. These
> > > systems will
> > > typically feature high availability by using other forms of replication
> > > internally.
> > >
> > > While there are no open source options for this type of clustering,
> > > there are several
> > > commercial products available that implement this approach, making
> > > PostgreSQL achieve
> > > very high performance for multi-Terabyte business intelligence
> > > databases."
> > >
> > > - Luke
> >
> --
> ----------------
> Hannu Krosing
> Database Architect
> Skype Technologies O?
> Akadeemia tee 21 F, Tallinn, 12618, Estonia
>
> Skype me: callto:hkrosing
> Get Skype for free: http://www.skype.com
--
Bruce Momjian [email protected]
EnterpriseDB http://www.enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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