'innodb' => {
        'Innodb_buffer_pool_pages_total' => 'bufferTotal_pages',
        'Innodb_buffer_pool_pages_free' => 'bufferFree_pages',
        'Innodb_buffer_pool_pages_dirty' => 'bufferDirty_pages',
        'Innodb_buffer_pool_pages_data' => 'bufferUsed_pages',