Only 10 nodes of a large cluster are used to balance requests with EAP 7.1 - Red Hat Customer Portal

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Issue

The documentation Developing EJB Applications, chapter 8.10. Implementing a Custom Load Balancing Policy for EJB Calls suggests that there is a limitation when running large clusters with more than 20 nodes.
A client connecting to a large cluster with more than 10 nodes is using only 10 cluster nodes for balancing the load.
Multiple clients connecting to a large cluster with more than 10 nodes are using the same cluster nodes leaving some nodes unused.

Environment

Red Hat JBoss Enterprise Application Platform (JBoss EAP)
- 7.1.x

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