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From: Andreas Kretschmer <[email protected]>
To: [email protected]
Subject: Re: PG replication across DataCenters
Date: Mon, 9 Dec 2013 17:38:21 +0100
Message-ID: <20131209163821.GA13253@tux> (raw)
In-Reply-To: <[email protected]>
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Thomas Harold <[email protected]> wrote:

> On 11/22/2013 5:57 AM, Albe Laurenz wrote:
>> Kaushal Shriyan wrote:
>>> I have read on the web that Postgresql DB supports replication
>>> across data centers. Any real life usecase examples if it has been
>>> implemented by anyone.
>>
>> Well, we replicate a 1 TB database between two locations. It is a
>> fairly active OLTP application, but certainly not pushing the limits
>> of what PostgreSQL can do in transactions per second.
>>
>
> Something that section 25 in the pgsql documentation is not clear about  
> for hot-standby with WAL log shipping using the built-in streaming:
>
> Can you choose which databases / tables on the master server get  
> streamed to the hot-standby read-only server at the remote site?  If  
> not, I suspect we'll have to go with either Slony or Bucardo.

WAL's contains transaction informations for the whole cluster, you can't
choose particular databases or tables.


Andreas
-- 
Really, I'm not out to destroy Microsoft. That will just be a completely
unintentional side effect.                              (Linus Torvalds)
"If I was god, I would recompile penguin with --enable-fly."   (unknown)
Kaufbach, Saxony, Germany, Europe.              N 51.05082°, E 13.56889°


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