# Wait for index stats thread to reach state matching global # ndb_index_stat_enable. This avoids error 4721 after cluster # initial restart or after enable was turned off and on again. while(!`select count(*) from dual where @@global.ndb_index_stat_enable = (select count(*) from performance_schema.global_status where variable_name = 'NDB_INDEX_STAT_STATUS' and concat(',',variable_value,',') like '%,allow:1,%')`) { sleep 0.1; }