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: Oct 16, 2009 11:11:31 AM EDT http://publib.boulder.ibm.com/infocenter/wxdinfo/v6r0/index.jsp?topic=/com.ibm.websphere.xd.doc/info/WPF51/cwpfcoordinator_pdf.html