1select @@global.large_pages; 2@@global.large_pages 30 4select @@session.large_pages; 5ERROR HY000: Variable 'large_pages' is a GLOBAL variable 6show global variables like 'large_pages'; 7Variable_name Value 8large_pages OFF 9show session variables like 'large_pages'; 10Variable_name Value 11large_pages OFF 12select * from information_schema.global_variables where variable_name='large_pages'; 13VARIABLE_NAME VARIABLE_VALUE 14LARGE_PAGES OFF 15select * from information_schema.session_variables where variable_name='large_pages'; 16VARIABLE_NAME VARIABLE_VALUE 17LARGE_PAGES OFF 18set global large_pages=1; 19ERROR HY000: Variable 'large_pages' is a read only variable 20set session large_pages=1; 21ERROR HY000: Variable 'large_pages' is a read only variable 22