diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml b/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
index bf1a7e25ea7ee..49f75aac9550b 100755
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
@@ -3433,6 +3433,15 @@
+
+ dfs.namenode.access-control-enforcer-reporting-threshold-ms
+ 1000
+
+ If an external AccessControlEnforcer runs for a long time to check permission with the FSnamesystem lock,
+ print a WARN log message. This sets how long must be run for logging to occur.
+
+
+
dfs.namenode.lock.detailed-metrics.enabled
false