-
The thread is processing events for binary logging.
-
Processing events from schema table
The thread is doing the work of schema replication.
-
Syncing ndb table schema operation and binlog
This is used to have a correct binary log of schema operations for NDB.
-
Waiting for allowed to take ndbcluster global schema lock
The thread is waiting for permission to take a global schema lock.
-
Waiting for event from ndbcluster
The server is acting as an SQL node in an NDB Cluster, and is connected to a cluster management node.
-
Waiting for ndbcluster binlog update to reach current position
-
Waiting for ndbcluster global schema lock
The thread is waiting for a global schema lock held by another thread to be released.
-
The thread is waiting for a schema epoch (that is, a global checkpoint).