NDB Cluster Log Messages Log Message Description Event Name Event Type Priority Severity the cluster can be restored has the index old_gci . Node node_id : Local checkpoint lcp completed The local checkpoint having sequence ID lcp  on node node_id  has been completed. LocalCheckpointCompleted Checkpoint 8 INFO Node node_id : Local Checkpoint stopped in CALCULATED_KEEP_GCI The node was unable to determine the most recent usable GCI. LCPStoppedInCalcKeepGci Checkpoint 0 ALERT Node node_id : Table ID = table_id , fragment ID = fragment_id has completed LCP on Node node_id maxGciStarted: started_gci maxGciCompleted: completed_gci A table fragment has been checkpointed to disk on node node_id . The GCI in progress has the index started_gci , and the most recent GCI to have been completed has the index completed_gci .$^{LCPFragmentCompleted}$ Checkpoint 11 INFO Node node_id : ACC Blocked num_1  and TUP Blocked num_2  times last second Undo logging is blocked because the log buffer is close to overflowing. UndoLogBlocked Checkpoint 7 INFO Node node_id : Start initiated version Data node node_id , running NDB  version version , is beginning its startup process. NDBStartStarted StartUp 1 INFO Node node_id : Started version Data node node_id , running NDB  version NDBStartCompleted StartUp 1 INFO 4446