8.12.5.9. MySQL Cluster Thread States

Committing events to binlog

Opening mysql.ndb_apply_status

Processing events

The thread is processing events for binary logging.

Processing events from schema table

The thread is doing the work of schema replication.

Shutting down

Syncing ndb table schema operation and binlog

This is used to have a correct binary log of schema operations for NDB.

Waiting for event from ndbcluster

The server is acting as an SQL node in a MySQL Cluster, and is connected to a cluster management node.

Waiting for first event from ndbcluster

Waiting for ndbcluster binlog update to reach current position

Waiting for ndbcluster to start

Waiting for schema epoch

The thread is waiting for a schema epoch (that is, a global checkpoint).