diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt b/hadoop-common-project/hadoop-common/CHANGES.txt
index 139b8b1acd..54829b2a9f 100644
--- a/hadoop-common-project/hadoop-common/CHANGES.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES.txt
@@ -123,6 +123,9 @@ Release 0.23.1 - Unreleased
     HADOOP-7802. Hadoop scripts unconditionally source
     "$bin"/../libexec/hadoop-config.sh. (Bruno Mahé via tomwhite)
 
+    HADOOP-7858. Drop some info logging to DEBUG level in IPC,
+    metrics, and HTTP. (todd via eli)
+
   OPTIMIZATIONS
 
   BUG FIXES
diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/http/HttpServer.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/http/HttpServer.java
index e529e789ed..571a296fc9 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/http/HttpServer.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/http/HttpServer.java
@@ -644,12 +644,12 @@ public void start() throws IOException {
         while (true) {
           try {
             port = webServer.getConnectors()[0].getLocalPort();
-            LOG.info("Port returned by webServer.getConnectors()[0]." +
+            LOG.debug("Port returned by webServer.getConnectors()[0]." +
             		"getLocalPort() before open() is "+ port + 
             		". Opening the listener on " + oriPort);
             listener.open();
             port = listener.getLocalPort();
-            LOG.info("listener.getLocalPort() returned " + listener.getLocalPort() + 
+            LOG.debug("listener.getLocalPort() returned " + listener.getLocalPort() + 
                   " webServer.getConnectors()[0].getLocalPort() returned " +
                   webServer.getConnectors()[0].getLocalPort());
             //Workaround to handle the problem reported in HADOOP-4744
diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java
index 7fb53fe1cf..0a77872966 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java
@@ -1498,7 +1498,7 @@ public Handler(int instanceNumber) {
 
     @Override
     public void run() {
-      LOG.info(getName() + ": starting");
+      LOG.debug(getName() + ": starting");
       SERVER.set(Server.this);
       ByteArrayOutputStream buf = 
         new ByteArrayOutputStream(INITIAL_RESP_BUF_SIZE);
@@ -1580,7 +1580,7 @@ public Writable run() throws Exception {
           LOG.info(getName() + " caught an exception", e);
         }
       }
-      LOG.info(getName() + ": exiting");
+      LOG.debug(getName() + ": exiting");
     }
 
   }
diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/WritableRpcEngine.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/WritableRpcEngine.java
index 48842237d4..6953814891 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/WritableRpcEngine.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/WritableRpcEngine.java
@@ -389,7 +389,7 @@ private void registerProtocolAndImpl(Class<?> protocolClass,
       }
       protocolImplMap.put(new ProtoNameVer(protocolName, version),
           new ProtoClassProtoImpl(protocolClass, protocolImpl)); 
-      LOG.info("Protocol Name = " + protocolName +  " version=" + version +
+      LOG.debug("Protocol Name = " + protocolName +  " version=" + version +
           " ProtocolImpl=" + protocolImpl.getClass().getName() + 
           " protocolClass=" + protocolClass.getName());
     }
diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/impl/MetricsSystemImpl.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/impl/MetricsSystemImpl.java
index d90ec74358..80189dc4b9 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/impl/MetricsSystemImpl.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/impl/MetricsSystemImpl.java
@@ -241,7 +241,7 @@ void registerSource(String name, String desc, MetricsSource source) {
           injectedTags, period, config.subset(SOURCE_KEY));
     sources.put(name, sa);
     sa.start();
-    LOG.info("Registered source "+ name);
+    LOG.debug("Registered source "+ name);
   }
 
   @Override public synchronized <T extends MetricsSink>
@@ -405,8 +405,8 @@ private synchronized void stopTimer() {
   private synchronized void stopSources() {
     for (Entry<String, MetricsSourceAdapter> entry : sources.entrySet()) {
       MetricsSourceAdapter sa = entry.getValue();
-      LOG.info("Stopping metrics source "+ entry.getKey());
-      LOG.debug(sa.source().getClass());
+      LOG.debug("Stopping metrics source "+ entry.getKey() +
+          ": class=" + sa.source().getClass());
       sa.stop();
     }
     sysSource.stop();
@@ -416,8 +416,8 @@ private synchronized void stopSources() {
   private synchronized void stopSinks() {
     for (Entry<String, MetricsSinkAdapter> entry : sinks.entrySet()) {
       MetricsSinkAdapter sa = entry.getValue();
-      LOG.info("Stopping metrics sink "+ entry.getKey());
-      LOG.debug(sa.sink().getClass());
+      LOG.debug("Stopping metrics sink "+ entry.getKey() +
+          ": class=" + sa.sink().getClass());
       sa.stop();
     }
     sinks.clear();