Re: Replication on the backend

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От Aly S.P Dharshi
Тема Re: Replication on the backend
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Msg-id Pine.LNX.4.64.0512061436490.18812@edtnas67.telus.net
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Ответ на Re: Replication on the backend  (Michael Meskes <meskes@postgresql.org>)
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I would classify it as a clustered database system (Oracle 10g that is).
Clustered meaning more than one node in the cluster.

ALy.

On Tue, 6 Dec 2005, Michael Meskes wrote:

>>      Postgres-R, pgcluster, Slony-II. Some more advanced, some less. But
>>      certainly nothing I would send into the ring against Oracle-Grid.
>
>Assuming that you mean Oracle Real Application Cluster (the Grid is more,
>right?) I wonder if this technology technically still counts as replication.
>AFAIK they do not replicate data but share a common data pool among different
>servers. You still have communication overhead but you write a tuple only
>once for all servers involved. Takes away a lot of overhead on a system
>that's heavily written too.
>
>Michael
>

-- 
Aly S.P Dharshi
aly.dharshi@telus.net
 "A good speech is like a good dress  that's short enough to be interesting  and long enough to cover the subject"


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