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Re: How does BDR replicate changes among nodes in a BDR group

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On 8 June 2017 at 04:50, Zhu, Joshua <jzhu@xxxxxxxxxxxxx> wrote:

> How does BDR replicate a change delta on A to B, C, and D?

It's a mesh.

Once joined, it doesn't matter what the join node was, all nodes are equal.

> e.g., A
> replicates delta to B and D, and B to C, or some other way, or not
> statically determined?

Each node replicates to all other nodes in an undefined order
determined by network timing etc.


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


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