Adding release 2.7.2 to CHANGES.txt.

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -884,6 +884,18 @@ Release 2.8.0 - UNRELEASED
     HADOOP-12076. Incomplete Cache Mechanism in CredentialProvider API.
     (Larry McCay via cnauroth)
 
+Release 2.7.2 - UNRELEASED
+
+  INCOMPATIBLE CHANGES
+
+  NEW FEATURES
+
+  IMPROVEMENTS
+
+  OPTIMIZATIONS
+
+  BUG FIXES
+
 Release 2.7.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -968,6 +968,18 @@ Release 2.8.0 - UNRELEASED
     HDFS-8546. Prune cached replicas from DatanodeDescriptor state on replica
     invalidation. (wang)
 
+Release 2.7.2 - UNRELEASED
+
+  INCOMPATIBLE CHANGES
+
+  NEW FEATURES
+
+  IMPROVEMENTS
+
+  OPTIMIZATIONS
+
+  BUG FIXES
+
 Release 2.7.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-mapreduce-project/CHANGES.txt

@@ -512,6 +512,18 @@ Release 2.8.0 - UNRELEASED
     MAPREDUCE-6413. TestLocalJobSubmission is failing with unknown host
     (zhihai xu via jlowe)
 
+Release 2.7.2 - UNRELEASED
+
+  INCOMPATIBLE CHANGES
+
+  NEW FEATURES
+
+  IMPROVEMENTS
+
+  OPTIMIZATIONS
+
+  BUG FIXES
+
 Release 2.7.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-yarn-project/CHANGES.txt

@@ -565,6 +565,18 @@ Release 2.8.0 - UNRELEASED
     YARN-3859. LeafQueue doesn't print user properly for application add.
     (Varun Saxena via devaraj)
 
+Release 2.7.2 - UNRELEASED
+
+  INCOMPATIBLE CHANGES
+
+  NEW FEATURES
+
+  IMPROVEMENTS
+
+  OPTIMIZATIONS
+
+  BUG FIXES
+
 Release 2.7.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES