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+# 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: 32
+ ApacheServerLimit: 32