# Lower the memory usage of overcloud. parameter_defaults: CeilometerWorkers: 1 CinderWorkers: 1 GlanceWorkers: 1 HeatWorkers: 1 KeystoneWorkers: 1 NeutronWorkers: 1 NovaWorkers: 1 SaharaWorkers: 1 SwiftWorkers: 1 GnocchiMetricdWorkers: 1 ApacheMaxRequestWorkers: 100 ApacheServerLimit: 100 ControllerExtraConfig: 'nova::network::neutron::neutron_url_timeout': '60' DatabaseSyncTimeout: 900