MySQL 8.0 Reference Manual Including MySQL NDB Cluster 8.0

8.14.6 Replication SQL Thread States

The following list shows the most common states you may see in the State column for a replication SQL thread on a replica server:

The Info column for the SQL thread may also show the text of a statement. This indicates that the thread has read an event from the relay log, extracted the statement from it, and may be executing it.