On 28 January 2016 at 19:16, Kaushal Shriyan <kaushalshri...@gmail.com>
wrote:

> Hi,
>
> Can somebody please help me understand the difference between UDR and BDR
> with examples?
>


BDR is for multiple masters that all replicate to each other.

UDR takes data from one server and copies it to another. One way. (By the
way, I strongly advise you to now use pglogical instead of UDR).

BDR:

  A <==> B

UDR/pglogical:

  A ==> B


-- 
 Craig Ringer                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

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