diff --git a/CHANGES.txt b/CHANGES.txt
index 7e77a813f49..f1bd834e7f5 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -536,6 +536,7 @@ Release 0.92.0 - Unreleased
    HBASE-4434  seek optimization: don't do eager HFile Scanner
                next() unless the next KV is needed
                (Kannan Muthukkaruppan)
+   HBASE-4280  [replication] ReplicationSink can deadlock itself via handlers
 
   TASKS
    HBASE-3559  Move report of split to master OFF the heartbeat channel
diff --git a/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java b/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
index 5869c18412d..f960a8bea33 100644
--- a/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
+++ b/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
@@ -3112,6 +3112,7 @@ public class HRegionServer implements HRegionInterface, HBaseRPCErrorHandler,
   }
 
   @Override
+  @QosPriority(priority=HIGH_QOS)
   public void replicateLogEntries(final HLog.Entry[] entries)
   throws IOException {
     checkOpen();