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Update product_docs/docs/pgd/5.6/nodes/subscriber_only/optimizing-so.mdx
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djw-m committed Oct 15, 2024
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Expand Up @@ -48,7 +48,7 @@ The other voting nodes choose the group leader from a subscriber-only group's no
Once selected, the whole cluster becomes aware of the change and any data group's write leaders then replicate data only to this newly selected group leader node.
Other data nodes in the data groups don't replicate data to the subscriber-only group's nodes.

This approach avoids the explosion of connections that can happen when there are large numbers of SO nodes and reduces the amount of replication traffic.
This approach avoids the explosion of active connections that can happen when there are large numbers of SO nodes and reduces the amount of replication traffic.

The Subscriber-Only node and group form the building block for PGD tree topologies.

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