HADOOP-14356. Update CHANGES.txt to reflect all the changes in branch-2.7. Contributed by Brahma Reddy Battula.

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

@@ -166,6 +166,22 @@ Release 2.7.4 - UNRELEASED
     HADOOP-14586. StringIndexOutOfBoundsException breaks
     org.apache.hadoop.util.Shell on 2.7.x with Java 9. (Uwe Schindler via shv)
 
+    HADOOP-13119. Add ability to secure log servlet using proxy users.
+    (Contribute by Yuanbo Liu via Eric Yang)
+
+    HADOOP-14293. Initialize FakeTimer with a less trivial value. (wang)
+
+    HADOOP-14066. VersionInfo should be marked as public API.
+    (Akira Ajisaka via stevel)
+
+    HADOOP-13958. Bump up release year to 2017. (Junping Du)
+
+    HADOOP-14195. CredentialProviderFactory$getProviders is not thread-safe.
+    (Vihang Karajgaonkar via John Zhuge)
+
+    HADOOP-14356. Update CHANGES.txt to reflect all the changes in branch-2.7.
+    (Brahma Reddy Battula)
+
 Release 2.7.3 - 2016-08-25
 
   INCOMPATIBLE CHANGES

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

@@ -114,6 +114,12 @@ Release 2.7.4 - UNRELEASED
     HDFS-9503. Use generic option -fs for NNThroughputBenchmark instead of
     -namenode. (Mingliang Liu via shv)
 
+    HDFS-11628. Clarify the behavior of HDFS Mover in documentation.
+    (Xiaobing Zhou via arp)
+
+    HDFS-10941. Improve BlockManager#processMisReplicatesAsync log.
+    (Chen Liang via Xiaoyu Yao)
+
   OPTIMIZATIONS
 
     HDFS-10896. Move lock logging logic from FSNamesystem into FSNamesystemLock.
@@ -370,6 +376,15 @@ Release 2.7.4 - UNRELEASED
     HDFS-11741. Long running balancer may fail due to expired DataEncryptionKey.
         Contributed by Wei-Chiu Chuang and Xiao Chen.
 
+    HDFS-10733. NameNode terminated after full GC thinking QJM is unresponsive.
+    (Vinitha Gankidi via shv)
+
+    HDFS-11280. Allow WebHDFS to reuse HTTP connections to NN.
+    (Zheng Shao via wheat9)
+
+    HDFS-10921. TestDiskspaceQuotaUpdate doesn't wait for NN to get out of
+    safe mode. (Eric Badger via Mingliang Liu)
+
 Release 2.7.3 - 2016-08-25
 
   INCOMPATIBLE CHANGES

hadoop-mapreduce-project/CHANGES.txt

@@ -44,6 +44,9 @@ Release 2.7.4 - UNRELEASED
     MAPREDUCE-6697. Concurrent task limits should only be applied when
     necessary. (Nathan Roberts via shv).
 
+    MAPREDUCE-6711. JobImpl fails to handle preemption events on state
+    COMMITTING. (Prabhu Joseph via Junping Du)
+
 Release 2.7.3 - 2016-08-25
 
   INCOMPATIBLE CHANGES

hadoop-yarn-project/CHANGES.txt

@@ -121,6 +121,22 @@ Release 2.7.4 - UNRELEASED
     YARN-5121. fix some container-executor portability issues.
     (Allen Wittenauer) Backport YARN-6698 by  Akira Ajisaka.
 
+    YARN-6274. Documentation refers to incorrect nodemanager health checker
+    interval property. (WeiWei Yang via jlowe)
+
+    YARN-6152. Used queue percentage not accurate in UI for 2.7 and below
+    when using DominantResourceCalculator. (Jonathan Hung via Eric Payne)
+
+    YARN-6024. Capacity Scheduler 'continuous reservation looking' doesn't work
+    when sum of queue's used and reserved resources is equal to max.
+    (Wangda Tan via Sunil G)
+
+    YARN-1728. Workaround guice3x-undecoded pathInfo in YARN WebApp.
+    (Yuanbo Liu via gera)
+
+    YARN-5694. ZKRMStateStore can prevent the transition to standby if the ZK
+    node is unreachable. (Daniel Templeton via jian He)
+
     YARN-6719. Fix findbugs warnings in SLSCapacityScheduler.java.
     (Akira Ajisaka via naganarasimha_gr)
 
@@ -1176,6 +1192,9 @@ Release 2.6.5 - UNRELEASED
 
   IMPROVEMENTS
 
+    YARN-3877. YarnClientImpl.submitApplication swallows exceptions.
+    (Varun Saxena via Naganarasimha G R)
+
   OPTIMIZATIONS
 
     YARN-4690. Skip object allocation in FSAppAttempt#getResourceUsage when