HDFS-2741. Document the max transfer threads property for branch-1. Backport of HDFS-1866. (Markus Jelsma via harsh)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1226857 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -135,6 +135,8 @@ Release 1.1.0 - unreleased
 
     MAPREDUCE-2919. The JT web UI should show job start times. (harsh)
 
+    HDFS-2741. Document the max transfer threads property for branch-1. Backport of HDFS-1866. (Markus Jelsma via harsh)
+
 Release 1.0.0 - unreleased
 
   NEW FEATURES

src/hdfs/hdfs-default.xml

@@ -426,4 +426,12 @@ creations/deletions), or "all".</description>
   </description>
 </property>
 
+<property>
+  <name>dfs.datanode.max.xcievers</name>
+  <value>4096</value>
+  <description>Specifies the maximum number of threads to use for transferring data
+  in and out of the DN.
+  </description>
+</property>
+
 </configuration>