3.3.4 The Ndb_logevent_type Type

Description.  These are the types of log events available in the MGM API, grouped by event category. (See Section 3.3.7, “The ndb_mgm_event_category Type”.)

Enumeration values.  Possible values are shown, along with descriptions, in the following table:

Category	Type	Description
NDB_MGM_EVENT_CATEGORY_CONNECTION		(Connection events)
	NDB_LE_Connected	The node has connected
	NDB_LE_Disconnected	The node was disconnected
	NDB_LE_CommunicationClosed	Communication with the node has been closed
	NDB_LE_CommunicationOpened	Communication with the node has been started
	NDB_LE_ConnectedApiVersion	The API version used by an API node; in the case of a MySQL server (SQL node), this is the same as displayed by SELECT VERSION()
NDB_MGM_EVENT_CATEGORY_CHECKPOINT		(Checkpoint events)
	NDB_LE_GlobalCheckpointStarted	A global checkpoint has been started
	NDB_LE_GlobalCheckpointCompleted	A global checkpoint has been completed
	NDB_LE_LocalCheckpointStarted	The node has begun a local checkpoint
	NDB_LE_LocalCheckpointCompleted	The node has completed a local checkpoint
	NDB_LE_LCPStoppedInCalcKeepGci	The lcoal checkpoint was aborted, but the last global checkpoint was preserved
	NDB_LE_LCPFragmentCompleted	Copying of a table fragment was completed
NDB_MGM_EVENT_CATEGORY_STARTUP		(Startup events)
	NDB_LE_NDBStartStarted	The node has begun to start
	NDB_LE_NDBStartCompleted	The node has completed the startup process
	NDB_LE_STTORRYRecieved	The node received an STTORRY signal, indicating that the reading of configuration data is underway; see Section 8.5.2, “Configuration Read Phase (STTOR Phase -1)”, and Section 8.5.3, “STTOR Phase 0”, for more information
	NDB_LE_StartPhaseCompleted	A node start phase has been completed
	NDB_LE_CM_REGCONF	The node has received a CM_REGCONF signal; see Section 8.5.4, “STTOR Phase 1”, for more information
	NDB_LE_CM_REGREF	The node has received a CM_REGREF signal; see Section 8.5.4, “STTOR Phase 1”, for more information
	NDB_LE_FIND_NEIGHBOURS	The node has discovered its neighboring nodes in the cluster
	NDB_LE_NDBStopStarted	The node is beginning to shut down
	NDB_LE_NDBStopCompleted
	NDB_LE_NDBStopForced	The node is being forced to shut down (usually indicates a severe problem in the cluster)
	NDB_LE_NDBStopAborted	The started to shut down, but was forced to continue running; this happens, for example, when a STOP command was issued in the management client for a node such that the cluster would no longer be able to keep all data available if the node were shut down
	NDB_LE_StartREDOLog	Redo logging has been started
	NDB_LE_StartLog	Logging has started
	NDB_LE_UNDORecordsExecuted	The node has read and executed all records from the redo log
	NDB_LE_StartReport	The node is issuing a start report
NDB_MGM_EVENT_CATEGORY_NODE_RESTART		(Restart events)
	NDB_LE_NR_CopyDict	The node is copying the data dictionary
	NDB_LE_NR_CopyDistr	The node is copying data distribution information
	NDB_LE_NR_CopyFragsStarted	The node is copying table fragments
	NDB_LE_NR_CopyFragDone	The node has completed copying a table fragment
	NDB_LE_NR_CopyFragsCompleted	The node has completed copying all necessary table fragments
NDB_MGM_EVENT_CATEGORY_NODE_RESTART		(Node failure and arbitration)
	NDB_LE_NodeFailCompleted	All (remaining) nodes has been notified of the failure of a data node
	NDB_LE_NODE_FAILREP	A data node has failed
	NDB_LE_ArbitState	This event is used to report on the current state of arbitration in the cluster
	NDB_LE_ArbitResult	This event is used to report on the outcome of node arbitration
	NDB_LE_GCP_TakeoverStarted	The node is attempting to become the master node (to assume responsibility for GCPs)
	NDB_LE_GCP_TakeoverCompleted	The node has become the master (and assumed responsibility for GCPs)
	NDB_LE_LCP_TakeoverStarted	The node is attempting to become the master node (to assume responsibility for LCPs)
	NDB_LE_LCP_TakeoverCompleted	The node has become the master (and assumed responsibility for LCPs)
NDB_MGM_EVENT_CATEGORY_STATISTIC		(Statistics events)
	NDB_LE_TransReportCounters	This indicates a report of transaction activity, which is given approximately once every 10 seconds
	NDB_LE_OperationReportCounters	Indicates a report on the number of operations performed by this node (also provided approximately once every 10 seconds)
	NDB_LE_TableCreated	A new table has been created
	NDB_LE_UndoLogBlocked	Undo logging is blocked because the log buffer is close to overflowing
	NDB_LE_JobStatistic
	NDB_LE_SendBytesStatistic	Indicates a report of the average number of bytes transmitted per send operation by this node
	NDB_LE_ReceiveBytesStatistic	Indicates a report of the average number of bytes received per send operation to this node
	NDB_LE_MemoryUsage	A DUMP 1000 command has been issued to this node, and it is reporting its memory usage in turn
NDB_MGM_EVENT_CATEGORY_ERROR		(Errors and warnings)
	NDB_LE_TransporterError	A transporter error has occurred; see Section 7.4, “NDB Transporter Errors”, for transporter error codes and messages
	NDB_LE_TransporterWarning	A potential problem is occurring in the transporter; see Section 7.4, “NDB Transporter Errors”, for transporter error codes and messages
	NDB_LE_MissedHeartbeat	Indicates a data node has missed a hreatbeat expected from another data node
	NDB_LE_DeadDueToHeartbeat	A data node has missed at least 3 heartbeats in succssion from another data node, and is reporting that it can no longer communicate with that data node
	NDB_LE_WarningEvent	Indicates a warning message
NDB_MGM_EVENT_CATEGORY_INFO		(Information events)
	NDB_LE_SentHeartbeat	A node heartbeat has been sent
	NDB_LE_CreateLogBytes
	NDB_LE_InfoEvent	Indicates an informational message
[Single-User Mode]	NDB_LE_SingleUser	The cluster has entered or exited single user mode
	NDB_LE_EventBufferStatus	This type of event indicates potentially excessive usage of the event buffer
	NDB_LE_EventBufferStatus2	Provides improved reporting of event buffer status; added in MySQL Cluster NDB 7.5.1
NDB_MGM_EVENT_CATEGORY_BACKUP		(Backups)
	NDB_LE_BackupStarted	A backup has been started
	NDB_LE_BackupFailedToStart	A backup has failed to start
	NDB_LE_BackupCompleted	A backup has been completed successfully
	NDB_LE_BackupAborted	A backup in progress was terminated by the user