It is recommended that you use more than one coordinator with a large number
of partitions (a thousand or more) to reduce partition activation time and
distribute the memory cost associated with the coordinator function.
Last updated: Nov 30, 2007 4:03:08 PM EST http://publib.boulder.ibm.com/infocenter/wxdinfo/v6r0/index.jsp?topic=/com.ibm.websphere.xd.doc/info/WPF51/cwpfcoordinator_pdf.html