diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt b/hadoop-common-project/hadoop-common/CHANGES.txt
index d4256341fbf..f18d85c11c7 100644
--- a/hadoop-common-project/hadoop-common/CHANGES.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES.txt
@@ -1022,6 +1022,9 @@ Release 2.7.3 - UNRELEASED
     HADOOP-12588. Fix intermittent test failure of TestGangliaMetrics.
     (Masatake Iwasaki via aajisaka)
 
+    HADOOP-12107. long running apps may have a huge number of StatisticsData
+    instances under FileSystem (Sangjin Lee via Ming Ma)
+
 Release 2.7.2 - UNRELEASED
 
   INCOMPATIBLE CHANGES
@@ -1843,6 +1846,9 @@ Release 2.6.4 - UNRELEASED
     HADOOP-11252. RPC client does not time out by default.
     (Wilfred Spiegelenburg and Masatake Iwasaki via aajisaka)
 
+    HADOOP-12107. long running apps may have a huge number of StatisticsData
+    instances under FileSystem (Sangjin Lee via Ming Ma)
+
 Release 2.6.3 - 2015-12-17
 
   INCOMPATIBLE CHANGES