diff --git a/group_vars/all/main.yml b/group_vars/all/main.yml
index 0c1c3d27ad556cea5d86f677becc8dddc0658312..7815c4173d492e9ae73529c16c3fc98750b4b128 100644
--- a/group_vars/all/main.yml
+++ b/group_vars/all/main.yml
@@ -60,7 +60,7 @@ sysctlconfig:
   - { key: "net.core.wmem_max", val: "4194304" }
   - { key: "vm.max_map_count" , val:  "524288" }
 
-nifi_javamem: "1g"
+nifi_javamem: "1500m"
 odfe_javamem: "512m"
 
 nifi_version: 1.12.1