Java Persistence API (JPA) Extensions Reference for EclipseLink, Release 2.4
eclipselink.cache.coordination.thread.pool.size to configure the size of the thread pool, for cache coordination threads.
Table 5-19 describes this persistence property's values.
Table 5-19 Valid Values for cache.coordination.thrad.pool.size
Size of the thread pool. If
For RMI cache coordination, EclipseLink spawns one thread per node to send change notifications and one thread to listen for new node notifications.
For JMS cache coordination, EclipseLink spawns one thread to receive JMS change notification messages (unless MDB is used) and one thread to process the change notification (unless MDB is used).
For more information, see:
"Cache Coordination" in Understanding EclipseLink
"Scaling EclipseLink Applications in Clusters" in Solutions Guide for EclispeLink