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From: Edson Richter <[email protected]>
To: [email protected]
Subject: Re: PG replication across DataCenters
Date: Fri, 22 Nov 2013 09:04:16 -0200
Message-ID: <[email protected]> (raw)
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Em 22/11/2013 08:43, Kaushal Shriyan escreveu:
> Hi,
>
> 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. Please also help me understand the caveats i 
> need to take care if i implement this setup.
>
> Regards,
>
> Kaushal
We have used asynchronous replication across datacenters with 100% 
success since 9.1. Currently we use 9.2.
Our setup involves a internet tunnel between servers. Servers have about 
2.000km of distance from each other.
The only points you need to take attention is tuning number of 
wal_keep_segments and timeout, and the initial load (that can be huge, 
depends on your data).

Regards,

Edson


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