diff --git a/distillery/resources/compose/triplestore/docker-compose.yml b/distillery/resources/compose/triplestore/docker-compose.yml
index b67d644..60363f3 100644
--- a/distillery/resources/compose/triplestore/docker-compose.yml
+++ b/distillery/resources/compose/triplestore/docker-compose.yml
@@ -9,10 +9,10 @@ services:
             - './data/data:/opt/graphdb/data'
             - './data/work:/opt/graphdb/work'
             - './data/logs:/opt/graphdb/logs'
-        command: "\"-Dgraphdb.home=/opt/graphdb -Ddefault.min.distinct.threshold=250M\""
+        command: "\"-Dgraphdb.home=/opt/graphdb -Ddefault.min.distinct.threshold=2G\""
         # Use 1GB of heap space
         environment:
-            GDB_HEAP_SIZE: 4G
+            GDB_HEAP_SIZE: 16G
 
         restart: always