Anybody?

On May 12, 2010, at 10:22 AM, Ben Chobot wrote:

> I currently have 5 nodes in my slony 1.2 cluster: A, B, C, D, and E. Nodes A 
> and B take turns being the origin. Node C will always be a subscriber but is 
> also a provider to nodes D and E, which have subscribed to their set with 
> forward=no. (All other nodes have subscribed with forward=yes.) So:
> 
> (A or B) provides to C provides to (D and E)
> 
> I have two intertwined questions about this configuration. The first is, how 
> do I reshape when C dies? I assume I should just tell D and E to receive from 
> A or B.....
> 
> ...but (and this is the second question) D and E have subscribed with 
> forward=no, and I've heard that you don't want something with forward=no 
> talking to a node which might be become the origin. So should I just 
> subscribe D and E with forward=yes, even though they'll never forward their 
> data on?
> 
> 
> As a third question, I'm becoming a bit concerned about the number of nodes 
> in my cluster, especially because I want to add a third node that might 
> become the origin and also a third node that feeds from C in the common case. 
> Do D and E need paths between their current provider only, or do they need to 
> be in constant talk with all of their potential providers?
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