In China Managed Services environments, you can configure limited PHP, Vanish, and Solr settings to optimize services for your application.
To update a normal PHP setting such as PHP version or memory limit, create a support ticket and request Acquia Support to update the setting.
To update the Varnish configuration, create a support ticket and request Acquia Support to update the configuration.
To update an Apache Solr configuration, create a support ticket and request Acquia Support to update the configuration.