diff --git a/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/metrics/ExceptionTrackingSource.java b/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/metrics/ExceptionTrackingSource.java
index 6d72d85289a..2407a733701 100644
--- a/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/metrics/ExceptionTrackingSource.java
+++ b/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/metrics/ExceptionTrackingSource.java
@@ -43,6 +43,7 @@ public interface ExceptionTrackingSource extends BaseSource {
   String EXCEPTIONS_CALL_QUEUE_TOO_BIG_DESC = "Call queue is full";
   String EXCEPTIONS_QUOTA_EXCEEDED = "exceptions.quotaExceeded";
   String EXCEPTIONS_RPC_THROTTLING = "exceptions.rpcThrottling";
+  String EXCEPTIONS_CALL_DROPPED = "exceptions.callDropped";
 
   void exception();
 
@@ -60,4 +61,5 @@ public interface ExceptionTrackingSource extends BaseSource {
   void callQueueTooBigException();
   void quotaExceededException();
   void rpcThrottlingException();
+  void callDroppedException();
 }
diff --git a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/metrics/ExceptionTrackingSourceImpl.java b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/metrics/ExceptionTrackingSourceImpl.java
index 23dafad02a2..d6dabadd8e8 100644
--- a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/metrics/ExceptionTrackingSourceImpl.java
+++ b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/metrics/ExceptionTrackingSourceImpl.java
@@ -40,6 +40,7 @@ public class ExceptionTrackingSourceImpl extends BaseSourceImpl
   protected MutableFastCounter exceptionsCallQueueTooBig;
   protected MutableFastCounter exceptionsQuotaExceeded;
   protected MutableFastCounter exceptionsRpcThrottling;
+  protected MutableFastCounter exceptionsCallDropped;
 
   public ExceptionTrackingSourceImpl(String metricsName, String metricsDescription,
                                      String metricsContext, String metricsJmxContext) {
@@ -72,6 +73,8 @@ public class ExceptionTrackingSourceImpl extends BaseSourceImpl
       .newCounter(EXCEPTIONS_QUOTA_EXCEEDED, EXCEPTIONS_TYPE_DESC, 0L);
     this.exceptionsRpcThrottling = this.getMetricsRegistry()
       .newCounter(EXCEPTIONS_RPC_THROTTLING, EXCEPTIONS_TYPE_DESC, 0L);
+    this.exceptionsCallDropped = this.getMetricsRegistry()
+      .newCounter(EXCEPTIONS_CALL_DROPPED, EXCEPTIONS_TYPE_DESC, 0L);
   }
 
   @Override
@@ -133,4 +136,9 @@ public class ExceptionTrackingSourceImpl extends BaseSourceImpl
   public void rpcThrottlingException() {
     exceptionsRpcThrottling.incr();
   }
+
+  @Override
+  public void callDroppedException() {
+    exceptionsCallDropped.incr();
+  }
 }
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/MetricsHBaseServer.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/MetricsHBaseServer.java
index 11773338869..d79c8eb4f66 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/MetricsHBaseServer.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/MetricsHBaseServer.java
@@ -19,6 +19,7 @@
 
 package org.apache.hadoop.hbase.ipc;
 
+import org.apache.hadoop.hbase.CallDroppedException;
 import org.apache.hadoop.hbase.CallQueueTooBigException;
 import org.apache.hadoop.hbase.MultiActionResultTooLarge;
 import org.apache.hadoop.hbase.NotServingRegionException;
@@ -126,6 +127,8 @@ public class MetricsHBaseServer {
         source.quotaExceededException();
       } else if (throwable instanceof RpcThrottlingException) {
         source.rpcThrottlingException();
+      } else if (throwable instanceof CallDroppedException) {
+        source.callDroppedException();
       } else if (LOG.isDebugEnabled()) {
         LOG.debug("Unknown exception type", throwable);
       }
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/ipc/TestRpcMetrics.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/ipc/TestRpcMetrics.java
index 2f99d2b6592..c50414d01ad 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/ipc/TestRpcMetrics.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/ipc/TestRpcMetrics.java
@@ -19,6 +19,7 @@ package org.apache.hadoop.hbase.ipc;
 
 import static org.junit.Assert.*;
 
+import org.apache.hadoop.hbase.CallDroppedException;
 import org.apache.hadoop.hbase.CompatibilityFactory;
 import org.apache.hadoop.hbase.HBaseClassTestRule;
 import org.apache.hadoop.hbase.NotServingRegionException;
@@ -143,11 +144,13 @@ public class TestRpcMetrics {
     mrpc.exception(new RegionTooBusyException("Some region"));
     mrpc.exception(new OutOfOrderScannerNextException());
     mrpc.exception(new NotServingRegionException());
+    mrpc.exception(new CallDroppedException());
     HELPER.assertCounter("exceptions.RegionMovedException", 1, serverSource);
     HELPER.assertCounter("exceptions.RegionTooBusyException", 1, serverSource);
     HELPER.assertCounter("exceptions.OutOfOrderScannerNextException", 1, serverSource);
     HELPER.assertCounter("exceptions.NotServingRegionException", 1, serverSource);
-    HELPER.assertCounter("exceptions", 5, serverSource);
+    HELPER.assertCounter("exceptions.callDropped", 1, serverSource);
+    HELPER.assertCounter("exceptions", 6, serverSource);
   }
 
   @Test
diff --git a/hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift/ThriftMetrics.java b/hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift/ThriftMetrics.java
index e362817a97d..cf290bcb708 100644
--- a/hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift/ThriftMetrics.java
+++ b/hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift/ThriftMetrics.java
@@ -20,6 +20,7 @@
 package org.apache.hadoop.hbase.thrift;
 
 import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hbase.CallDroppedException;
 import org.apache.hadoop.hbase.CallQueueTooBigException;
 import org.apache.hadoop.hbase.CompatibilitySingletonFactory;
 import org.apache.hadoop.hbase.MultiActionResultTooLarge;
@@ -152,6 +153,8 @@ public class ThriftMetrics  {
         source.quotaExceededException();
       } else if (throwable instanceof RpcThrottlingException) {
         source.rpcThrottlingException();
+      } else if (throwable instanceof CallDroppedException) {
+        source.callDroppedException();
       } else if (LOG.isDebugEnabled()) {
         LOG.debug("Unknown exception type", throwable);
       }
diff --git a/hbase-thrift/src/test/java/org/apache/hadoop/hbase/thrift/ErrorThrowingGetObserver.java b/hbase-thrift/src/test/java/org/apache/hadoop/hbase/thrift/ErrorThrowingGetObserver.java
index 98f190b27c5..683884d0efd 100644
--- a/hbase-thrift/src/test/java/org/apache/hadoop/hbase/thrift/ErrorThrowingGetObserver.java
+++ b/hbase-thrift/src/test/java/org/apache/hadoop/hbase/thrift/ErrorThrowingGetObserver.java
@@ -22,6 +22,7 @@ import java.io.IOException;
 import java.util.List;
 import java.util.Optional;
 
+import org.apache.hadoop.hbase.CallDroppedException;
 import org.apache.hadoop.hbase.CallQueueTooBigException;
 import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.DoNotRetryIOException;
@@ -85,6 +86,8 @@ public class ErrorThrowingGetObserver implements RegionCoprocessor, RegionObserv
           throw new QuotaExceededException("Failing for test");
         case RPC_THROTTLING:
           throw new RpcThrottlingException("Failing for test");
+        case CALL_DROPPED:
+          throw new CallDroppedException("Failing for test");
         default:
           throw new DoNotRetryIOException("Failing for test");
       }
@@ -102,7 +105,8 @@ public class ErrorThrowingGetObserver implements RegionCoprocessor, RegionObserv
     REGION_TOO_BUSY(ExceptionTrackingSource.EXCEPTIONS_BUSY_NAME),
     OUT_OF_ORDER_SCANNER_NEXT(ExceptionTrackingSource.EXCEPTIONS_OOO_NAME),
     QUOTA_EXCEEDED(ExceptionTrackingSource.EXCEPTIONS_QUOTA_EXCEEDED),
-    RPC_THROTTLING(ExceptionTrackingSource.EXCEPTIONS_RPC_THROTTLING);
+    RPC_THROTTLING(ExceptionTrackingSource.EXCEPTIONS_RPC_THROTTLING),
+    CALL_DROPPED(ExceptionTrackingSource.EXCEPTIONS_CALL_DROPPED);
 
     private final String metricName;