Maximum Nodes in Replication


I know the max number of nodes with SQL clustering but how many nodes can you have with Peer to Peer and Merge replication scenarios with SQL 2008?

Thanks for the help.

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asked Nov 04, 2009 at 04:43 PM in Default

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2 answers: sort voted first

I was not aware of a hard limit, so I checked MSDN and couldn't find one there either. Obviously, more nodes puts more strain on your infrastructure, so the real limitation will depend on your specific server hardware and network.

For more information ...

Peer-to-peer Replication (Enterprise only): http://msdn.microsoft.com/en-us/library/ms151196.aspx

Merge Replication (Standard or Enterprise): http://msdn.microsoft.com/en-us/library/ms152746.aspx

I also found this limitation for Workgroup Edition, if you are using that:

If an instance of Workgroup is used as a Publisher, it supports a maximum of 25 publications to all merge subscriptions.

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answered Nov 05, 2009 at 12:19 PM

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Tom Staab ♦
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Plus one for Toms answer. Don't forget the type of system you are running too. Peer-to-peer replication is most suitable for scaling out read operations. Because all writes must be replicated to all nodes in pretty much real time, a highly transaction system can cause load balancing problems. This should have been a comment really, but I can't do them yet.

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answered Nov 09, 2009 at 10:10 PM

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asked: Nov 04, 2009 at 04:43 PM

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Last Updated: Nov 04, 2009 at 04:49 PM

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