Verify that the index stat tables are not present in the Server
SHOW TABLES IN mysql LIKE 'ndb_index_stat%';
Tables_in_mysql (ndb_index_stat%)
Verify that the tables can't be discovered
SHOW CREATE TABLE mysql.ndb_index_stat_head;
ERROR 42S02: Table 'mysql.ndb_index_stat_head' doesn't exist
SHOW WARNINGS;
Level	Code	Message
Error	1146	Table 'mysql.ndb_index_stat_head' doesn't exist
Warning	1296	NDB index statistics tables are not exposed to the MySQL Server. The tables can be accessed using NDB tools such as ndb_select_all
Verify that the tables aren't readabale
SELECT * FROM mysql.ndb_index_stat_sample;
ERROR 42S02: Table 'mysql.ndb_index_stat_sample' doesn't exist
SHOW WARNINGS;
Level	Code	Message
Error	1146	Table 'mysql.ndb_index_stat_sample' doesn't exist
Warning	1296	NDB index statistics tables are not exposed to the MySQL Server. The tables can be accessed using NDB tools such as ndb_select_all