nd.htm">RepHeartbeatSend</a></td><td><div class="summary">
            The frequency at which the replication manager, running at a master
            site, broadcasts a heartbeat message in an otherwise idle system.
            When 0 (the default), no heartbeat messages will be sent. 
            </div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepInMemory.htm">RepInMemory</a></td><td><