8.14.9 NDB Cluster Thread States
Committing events to binlogOpening mysql.ndb_apply_status-
Processing eventsThe thread is processing events for binary logging.
-
Processing events from schema tableThe thread is doing the work of schema replication.
Shutting down-
Syncing ndb table schema operation and binlogThis is used to have a correct binary log of schema operations for NDB.
-
Waiting for allowed to take ndbcluster global schema lockThe thread is waiting for permission to take a global schema lock.
-
Waiting for event from ndbclusterThe server is acting as an SQL node in an NDB Cluster, and is connected to a cluster management node.
Waiting for first event from ndbclusterWaiting for ndbcluster binlog update to reach current position-
Waiting for ndbcluster global schema lockThe thread is waiting for a global schema lock held by another thread to be released.
Waiting for ndbcluster to start-
Waiting for schema epochThe thread is waiting for a schema epoch (that is, a global checkpoint).
© 2025 Oracle
Licensed under the GPLv2 License.