diff --git a/docker-compose.yml b/docker-compose.yml
index 980e0764..cfd67680 100755
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -65,7 +65,7 @@ services:
     hostname: shuffle-opensearch
     container_name: shuffle-opensearch
     environment:
-      - "OPENSEARCH_JAVA_OPTS=-Xms4096m -Xmx4096m" # minimum and maximum Java heap size, recommend setting both to 50% of system RAM
+      - "OPENSEARCH_JAVA_OPTS=-Xms3072m -Xmx3072m" # minimum and maximum Java heap size, recommend setting both to 50% of system RAM
       - bootstrap.memory_lock=true
       - DISABLE_PERFORMANCE_ANALYZER_AGENT_CLI=true
       - cluster.initial_master_nodes=shuffle-opensearch