SELECT @@global.skip_parallel_replication; ERROR HY000: Variable 'skip_parallel_replication' is a SESSION variable SET GLOBAL skip_parallel_replication= 0; ERROR HY000: Variable 'skip_parallel_replication' is a SESSION variable and can't be used with SET GLOBAL SELECT @@session.skip_parallel_replication; @@session.skip_parallel_replication 0 SET SESSION skip_parallel_replication= 1; SELECT @@session.skip_parallel_replication; @@session.skip_parallel_replication 1 SET SESSION skip_parallel_replication= 0; SELECT @@session.skip_parallel_replication; @@session.skip_parallel_replication 0