From d232625f735e06b89360d8f5847c4331076ac477 Mon Sep 17 00:00:00 2001
From: Akira Ajisaka <aajisaka@apache.org>
Date: Mon, 21 Nov 2016 14:05:15 +0900
Subject: [PATCH] HDFS-11113. Document dfs.client.read.striped configuration in
 hdfs-default.xml. Contributed by Rakesh R.

---
 .../hadoop-hdfs/src/main/resources/hdfs-default.xml      | 9 +++++++++
 .../org/apache/hadoop/tools/TestHdfsConfigFields.java    | 1 +
 2 files changed, 10 insertions(+)

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 a605972a1a..5d6376afa8 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
@@ -3372,6 +3372,15 @@
   </description>
 </property>
 
+<property>
+  <name>dfs.client.read.striped.threadpool.size</name>
+  <value>18</value>
+  <description>
+    The maximum number of threads used for parallel reading
+    in striped layout.
+  </description>
+</property>
+
 <property>
   <name>dfs.client.replica.accessor.builder.classes</name>
   <value></value>
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestHdfsConfigFields.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestHdfsConfigFields.java
index bf29428a20..3bbb609a45 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestHdfsConfigFields.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestHdfsConfigFields.java
@@ -41,6 +41,7 @@ public class TestHdfsConfigFields extends TestConfigurationFieldsBase {
   public void initializeMemberVariables() {
     xmlFilename = new String("hdfs-default.xml");
     configurationClasses = new Class[] { HdfsClientConfigKeys.class,
+        HdfsClientConfigKeys.StripedRead.class,
         DFSConfigKeys.class};
 
     // Set error modes