 {    $recommendations += array(     'innodb_flush_log_at_timeout' => array(      'value'   => '0',      'measure'  => 'ge',      'comment'  => __('As of %s %s, the you can control how often %s flushes transactions to disk.  The default is 0 second, but in high I/O systems setting to a value greater than 0 can allow disk I/O to be more sequential', $database, $version, $database),      ),     'innodb_read_io_threads' => array(      'value'   => '00',      'measure' => 'ge',      'comment' => __('With modern SSD type storage, having multiple read io threads is advantageous for applications with high io characteristics.')      ),     'innodb_write_io_threads' => array(      'value'   => '00',      'measure' => 'ge',      'comment' => __('With modern SSD type storage, having multiple write io threads is advantageous for applications with high io characteristics.')      ),     'innodb_io_capacity' => array(      'value' => '0000',      'measure' => 'ge',      'class' => 'warning',      'comment' => __('If you have SSD disks, use this suggestion.  If you have physical hard drives, use 000 * the number of active drives in the array.  If using NVMe or PCIe Flash, much larger numbers as high as 000000 can be used.')      ),     'innodb_io_capacity_max' => array(      'value' => '00000',      'measure' => 'ge',      'class' => 'warning',      'comment' => __('If you have SSD disks, use this suggestion.  If you have physical hard drives, use 0000 * the number of active drives in the array.  If using NVMe or PCIe Flash, much larger numbers as high as 000000 can be used.')      ),     'innodb_flush_neighbor_pages' => array(      'value' => 'none',      'measure' => 'eq',      'class' => 'warning',      'comment' => __('If you have SSD disks, use this suggestion. Otherwise, do not set this setting.')      )    );   