select @@global.aria_block_size;
@@global.aria_block_size
8192
select @@session.aria_block_size;
ERROR HY000: Variable 'aria_block_size' is a GLOBAL variable
show global variables like 'aria_block_size';
Variable_name	Value
aria_block_size	8192
show session variables like 'aria_block_size';
Variable_name	Value
aria_block_size	8192
select * from information_schema.global_variables where variable_name='aria_block_size';
VARIABLE_NAME	VARIABLE_VALUE
ARIA_BLOCK_SIZE	8192
select * from information_schema.session_variables where variable_name='aria_block_size';
VARIABLE_NAME	VARIABLE_VALUE
ARIA_BLOCK_SIZE	8192
set global aria_block_size=1;
ERROR HY000: Variable 'aria_block_size' is a read only variable
set session aria_block_size=1;
ERROR HY000: Variable 'aria_block_size' is a read only variable
