show variables like 'innodb_encrypt%';
Variable_name	Value
innodb_encrypt_log	ON
innodb_encrypt_tables	ON
innodb_encryption_rotate_key_age	2
innodb_encryption_rotation_iops	100
innodb_encryption_threads	4
select space,name,current_key_version from information_schema.innodb_tablespaces_encryption order by space;
space	name	current_key_version
0	NULL	1
1	mysql/innodb_table_stats	1
2	mysql/innodb_index_stats	1
set global debug_key_management_version=10;
select space,name,current_key_version from information_schema.innodb_tablespaces_encryption order by space;
space	name	current_key_version
0	NULL	10
1	mysql/innodb_table_stats	10
2	mysql/innodb_index_stats	10
set global debug_key_management_version=1;