1 files changed, 9 insertions, 2 deletions
diff --git a/nixos/modules/services/databases/neo4j.nix b/nixos/modules/services/databases/neo4j.nix
index 7b51f1af6899..cbba9c2a691c 100644
--- a/nixos/modules/services/databases/neo4j.nix
+++ b/nixos/modules/services/databases/neo4j.nix
@@ -30,9 +30,16 @@ let
   '';
 
   wrapperConfig = pkgs.writeText "neo4j-wrapper.conf" ''
+    # Default JVM parameters from neo4j.conf
+    dbms.jvm.additional=-XX:+UseG1GC
+    dbms.jvm.additional=-XX:-OmitStackTraceInFastThrow
+    dbms.jvm.additional=-XX:+AlwaysPreTouch
+    dbms.jvm.additional=-XX:+UnlockExperimentalVMOptions
+    dbms.jvm.additional=-XX:+TrustFinalNonStaticFields
+    dbms.jvm.additional=-XX:+DisableExplicitGC
+    dbms.jvm.additional=-Djdk.tls.ephemeralDHKeySize=2048
+
     dbms.jvm.additional=-Dunsupported.dbms.udc.source=tarball
-    dbms.jvm.additional=-XX:+UseConcMarkSweepGC
-    dbms.jvm.additional=-XX:+CMSClassUnloadingEnabled
   '';
 
 in {