NDB Cluster Log Messages Log Message Description Event Name Event Type Priority Severity ( data_pages_used 32K pages of total data_pages_total ) /  Node node_id : Index usage is index_memory_percentage % ( index_pages_used 8K pages of total index_pages_total ) the cluster management client Node node1_id : Transporter to node node2_id reported error error_code : error_message A transporter error occurred while communicating with node node2_id ; for a listing of transporter error codes and messages, see NDB Transporter Errors, in MySQL NDB Cluster Internals Manual TransporterError Error 2 ERROR Node node1_id : Transporter to node node2_id reported error error_code : error_message A warning of a potential transporter problem while communicating with node node2_id ; for a listing of transporter error codes and messages, see NDB Transporter Errors, for more information TransporterWarning Error 8 WARNING Node node1_id : Node node2_id missed heartbeat heartbeat_id This node missed a heartbeat from node  node2_id MissedHeartbeat Error 8 WARNING 4456