These thread states occur on a replica server but are associated with connection threads, not with the I/O or SQL threads.
The thread is processing a
CHANGE REPLICATION SOURCE TO
statement.The thread is processing a
STOP REPLICA
statement.This state occurs after
Creating table from master dump
.Reading master dump table data
This state occurs after
Opening master dump table
.Rebuilding the index on master dump table
This state occurs after
Reading master dump table data
.