Overview of NDB Cluster Configuration Parameters, Options, and Variables • Ndb_api_scan_batch_count_slave : Number of batches of rows received by this replica. • Ndb_api_table_scan_count : Number of table scans that have been started, including scans of internal tables, by this MySQL Server (SQL node). • Ndb_api_table_scan_count_session : Number of table scans that have been started, including scans of internal tables, in this client session. • Ndb_api_table_scan_count_replica : Number of table scans that have been started, including scans of internal tables, by this replica. • Ndb_api_table_scan_count_slave : Number of table scans that have been started, including scans of internal tables, by this replica. • Ndb_api_trans_abort_count : Number of transactions aborted by this MySQL Server (SQL node). • Ndb_api_trans_abort_count_session : Number of transactions aborted in this client session. • Ndb_api_trans_abort_count_replica : Number of transactions aborted by this replica. • Ndb_api_trans_abort_count_slave : Number of transactions aborted by this replica. • Ndb_api_trans_close_count : Number of transactions aborted (may be greater than sum of TransCommitCount and TransAbortCount) by this MySQL Server (SQL node). • Ndb_api_trans_close_count_session : Number of transactions aborted (may be greater than sum of TransCommitCount and TransAbortCount) in this client session. • Ndb_api_trans_close_count_replica : Number of transactions aborted (may be greater than sum of TransCommitCount and TransAbortCount) by this replica. • Ndb_api_trans_close_count_slave : Number of transactions aborted (may be greater than sum of TransCommitCount and TransAbortCount) by this replica. • Ndb_api_trans_commit_count : Number of transactions committed by this MySQL Server (SQL node). • Ndb_api_trans_commit_count_session : Number of transactions committed in this client session. • Ndb_api_trans_commit_count_replica : Number of transactions committed by this replica. • Ndb_api_trans_commit_count_slave : Number of transactions committed by this replica. • Ndb_api_trans_local_read_row_count : Total number of rows that have been read by this MySQL Server (SQL node). • Ndb_api_trans_local_read_row_count_session : Total number of rows that have been read in this client session. • Ndb_api_trans_local_read_row_count_replica : Total number of rows that have been read by this replica. • Ndb_api_trans_local_read_row_count_slave : Total number of rows that have been read by this replica. • Ndb_api_trans_start_count : Number of transactions started by this MySQL Server (SQL node). • Ndb_api_trans_start_count_session : Number of transactions started in this client session. • Ndb_api_trans_start_count_replica : Number of transactions started by this replica. 4046