NDB Cluster Configuration Files • ndbinfo_version System Variable ndbinfo_version Scope Global Dynamic No SET_VAR  Hint Applies No Type String Default Value Shows the version of the  ndbinfo  engine in use; read-only. This section provides detailed information about MySQL server status variables that relate to NDB Cluster and the  NDB  storage engine. For status variables not specific to NDB Cluster, and for general information on using status variables, see Section 5.1.10, “Server Status Variables” . NDB Cluster Status Variables • Handler_discover • Ndb_api_adaptive_send_deferred_count • Ndb_api_adaptive_send_deferred_count_session • Ndb_api_adaptive_send_deferred_count_replica • Ndb_api_adaptive_send_deferred_count_slave • Ndb_api_adaptive_send_forced_count Number of adaptive send calls using forced-send sent by this MySQL Server (SQL node). 4197 Number of adaptive send calls that were not actually sent by this replica. For more information, see Section 23.5.13, “NDB API Statistics Counters and Variables” . Deprecated in NDB 8.0.23; use Ndb_api_adaptive_send_deferred_count_replica  instead. For more information, see Section 23.5.13, “NDB API Statistics Counters and Variables” . Number of adaptive send calls that were not actually sent by this replica. For more information, see Section 23.5.13, “NDB API Statistics Counters and Variables” . Number of adaptive send calls that were not actually sent. For more information, see Section 23.5.13, “NDB API Statistics Counters and Variables” . Number of adaptive send calls that were not actually sent. The MySQL server can ask the  NDBCLUSTER  storage engine if it knows about a table with a given name. This is called discovery.  Handler_discover  indicates the number of times that tables have been discovered using this mechanism. Note