diff --git a/defaults/main.yml b/defaults/main.yml
index 77a98c0..7ce71f5 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -21,6 +21,11 @@ zookeeper_autopurge_purgeInterval: 0
 zookeeper_autopurge_snapRetainCount: 10
 zookeeper_cluster_ports: "2888:3888"
 zookeeper_max_client_connections: 60
+pre_alloc_size: 64000
+snap_count: 100000
+leader_serves: yes
+
+
 
 data_dir: /var/lib/zookeeper
 log_dir: /var/log/zookeeper
diff --git a/templates/zoo.cfg.j2 b/templates/zoo.cfg.j2
index 9cb87c2..902271f 100644
--- a/templates/zoo.cfg.j2
+++ b/templates/zoo.cfg.j2
@@ -10,6 +10,10 @@ autopurge.purgeInterval={{ zookeeper_autopurge_purgeInterval }}
 autopurge.snapRetainCount={{ zookeeper_autopurge_snapRetainCount }}
 {% endif %}
 
+preAllocSize={{ pre_alloc_size }}
+snapCount={{ snap_count }}
+leaderServes={{ leader_serves }}
+
 {% for server in zookeeper_hosts %}
 {% if server.host is defined %}
 {% if server.ip is defined %}