From: Guillaume Lelarge <guillaume@lelarge.info>
To: Selva manickaraja <mavles78@gmail.com>
Cc: pgsql-admin@postgresql.org
Subject: Re: Cascading Recovery
Date: Fri, 11 Feb 2011 08:35:02 +0100
Message-ID: <4D54E6A6.8090305@lelarge.info> (raw)
In-Reply-To: <AANLkTi=xpkueSAPHyiVWs+HAxGTWUa6hXZ49J9gT49NM@mail.gmail.com>
References: <AANLkTi=xpkueSAPHyiVWs+HAxGTWUa6hXZ49J9gT49NM@mail.gmail.com>
Le 11/02/2011 05:43, Selva manickaraja a écrit :
> We are considering on using a primary and 2 secondary machines. But our plan
> is to cascade the recovery as follows:
>
> 1. Primary Machine-A (read and write operation)
> 2. Secondary Machine-B (recover from Machine A)
> 3. Secondary Machine-C (recover from Machine B)
>
> We are planning this kind of recovery as we want to phase out recovery
> interval between C and B 30 minutes.
>
> Can this be achieved by PostgreSQL.
>
Not with Streaming Replication. But you can achieve this with a
different replication engine, like Slony.
--
Guillaume
http://www.postgresql.frhttp://dalibo.com
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To: pgsql-admin@postgresql.org
Cc: guillaume@lelarge.info, mavles78@gmail.com
Subject: Re: Cascading Recovery
In-Reply-To: <4D54E6A6.8090305@lelarge.info>
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