diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index dcd425249a..93d3ee7b5f 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -814,6 +814,9 @@ Trunk (Unreleased)
 
       HDFS-8557. Allow to configure RS and XOR raw coders (Kai Zheng)
 
+      HDFS-9206. Inconsistent default value of dfs.datanode.stripedread.buffer.size.
+      (Walter Su via jing9)
+
 Release 2.8.0 - UNRELEASED
 
   NEW FEATURES
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 1475ecd4eb..cff3e888ec 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
@@ -2454,7 +2454,7 @@
 
 <property>
   <name>dfs.datanode.stripedread.buffer.size</name>
-  <value>262144</value>
+  <value>65536</value>
   <description>Datanode striped read buffer size.
   </description>
 </property>