diff --git a/tdp_vars_defaults/hive/hive_metastore.yml b/tdp_vars_defaults/hive/hive_metastore.yml
index 3ed977c6..8dd08c44 100644
--- a/tdp_vars_defaults/hive/hive_metastore.yml
+++ b/tdp_vars_defaults/hive/hive_metastore.yml
@@ -6,5 +6,10 @@
 hive_ms_credentials_store_path: "{{ hive_ms_conf_dir }}/hive.jceks"
 hive_ms_credentials_store_uri: localjceks://file{{ hive_ms_credentials_store_path }}
 
+# Hive Transactions variables
+hive_transactions_enabled: false
+compaction_enabled: "{{ hive_transactions_enabled }}"
+
 hive_site:
   hadoop.security.credential.provider.path: "{{ hive_ms_credentials_store_uri }}"
+  hive.compactor.initiator.on:  "{{ compaction_enabled and (inventory_hostname == groups['hive_ms'][0]) | string | lower }}"
\ No newline at end of file