diff --git a/ansible/group_vars/all.yml b/ansible/group_vars/all.yml
index 1ab8f4fc..1c7034cc 100644
--- a/ansible/group_vars/all.yml
+++ b/ansible/group_vars/all.yml
@@ -30,14 +30,14 @@ kaui_system_properties: ''
 kb_system_properties: ''
 
 # Tomcat and JVM properties -- recommended defaults
-jvm_initial_memory: 4G
-jvm_max_memory: 4G
+jvm_initial_memory: 512m
+jvm_max_memory: 2G
 jvm_jdwp_port: 12345
 jvm_jdwp_server: y
 jvm_cms_initiating_fraction_threshold: 50
-jvm_new_size: 600m
-jvm_max_new_size: 1900m
+jvm_new_size: 256m
+jvm_max_new_size: 1024m
 jvm_survivor_ratio: 10
 jvm_jmx_port: 8000
 tomcat_port: 8080
-tomcat_max_threads: 150
+tomcat_max_threads: 100