Set the release date for 2.6.4-RC0
diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt b/hadoop-common-project/hadoop-common/CHANGES.txt
index af9ffa9..7ebf1f0 100644
--- a/hadoop-common-project/hadoop-common/CHANGES.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES.txt
@@ -1,6 +1,6 @@
 Hadoop Change Log
 
-Release 2.6.4 - UNRELEASED
+Release 2.6.4 - 2016-02-02
 
   INCOMPATIBLE CHANGES
 
diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index 52ab6cf..abb3807 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -1,6 +1,6 @@
 Hadoop HDFS Change Log
 
-Release 2.6.4 - UNRELEASED
+Release 2.6.4 - 2016-02-02
 
   INCOMPATIBLE CHANGES
 
diff --git a/hadoop-mapreduce-project/CHANGES.txt b/hadoop-mapreduce-project/CHANGES.txt
index 8b7fd7b..9afa50c 100644
--- a/hadoop-mapreduce-project/CHANGES.txt
+++ b/hadoop-mapreduce-project/CHANGES.txt
@@ -1,6 +1,6 @@
 Hadoop MapReduce Change Log
 
-Release 2.6.4 - UNRELEASED
+Release 2.6.4 - 2016-02-02
 
   INCOMPATIBLE CHANGES
 
diff --git a/hadoop-yarn-project/CHANGES.txt b/hadoop-yarn-project/CHANGES.txt
index 5502ca4..bde14dc 100644
--- a/hadoop-yarn-project/CHANGES.txt
+++ b/hadoop-yarn-project/CHANGES.txt
@@ -1,6 +1,6 @@
 Hadoop YARN Change Log
 
-Release 2.6.4 - UNRELEASED
+Release 2.6.4 - 2016-02-02
 
   INCOMPATIBLE CHANGES