6bedc3
@@ -3175,7 +3175,7 @@
private static void populateLlapDaemonVarsSet(Set<String> llapDaemonVarsSetLocal
       new TimeValidator(TimeUnit.MILLISECONDS),
       "Amount of time to wait on connection failures to the AM from an LLAP daemon before\n" +
       "considering the AM to be dead.", "llap.am.liveness.connection.timeout-millis"),
-    LLAP_DAEMON_AM_USE_FQDN("hive.llap.am.use.fqdn", false,
+    LLAP_DAEMON_AM_USE_FQDN("hive.llap.am.use.fqdn", true,
         "Whether to use FQDN of the AM machine when submitting work to LLAP."),
     // Not used yet - since the Writable RPC engine does not support this policy.
     LLAP_DAEMON_AM_LIVENESS_CONNECTION_SLEEP_BETWEEN_RETRIES_MS(
