diff --git a/src/java/org/apache/cassandra/locator/NetworkTopologyStrategy.java b/src/java/org/apache/cassandra/locator/NetworkTopologyStrategy.java
index 004a47c59bb8..9f11e02d1690 100644
--- a/src/java/org/apache/cassandra/locator/NetworkTopologyStrategy.java
+++ b/src/java/org/apache/cassandra/locator/NetworkTopologyStrategy.java
@@ -19,6 +19,7 @@
 
 import java.util.*;
 import java.util.Map.Entry;
+import java.util.concurrent.atomic.AtomicReference;
 
 import org.apache.cassandra.locator.ReplicaCollection.Builder.Conflict;
 import org.slf4j.Logger;
@@ -33,6 +34,7 @@
 import org.apache.cassandra.service.ClientWarn;
 import org.apache.cassandra.service.StorageService;
 import org.apache.cassandra.utils.FBUtilities;
+import org.apache.cassandra.utils.NoSpamLogger;
 import org.apache.cassandra.utils.Pair;
 
 import com.google.common.collect.ImmutableMultimap;
@@ -61,6 +63,10 @@ public class NetworkTopologyStrategy extends AbstractReplicationStrategy
     private final Map<String, ReplicationFactor> datacenters;
     private final ReplicationFactor aggregateRf;
     private static final Logger logger = LoggerFactory.getLogger(NetworkTopologyStrategy.class);
+    // a tracker for the last datacenter string that was seen--if it changes, we log the new datacenters. This
+    // way we don't lose the important information(changes), but we also don't fill the log with a billion
+    // datacenter messages
+    private static final AtomicReference<String> PAST_DC_STRING = new AtomicReference<>(null);
 
     public NetworkTopologyStrategy(String keyspaceName, TokenMetadata tokenMetadata, IEndpointSnitch snitch, Map<String, String> configOptions) throws ConfigurationException
     {
@@ -86,9 +92,22 @@ public NetworkTopologyStrategy(String keyspaceName, TokenMetadata tokenMetadata,
 
         datacenters = Collections.unmodifiableMap(newDatacenters);
         aggregateRf = ReplicationFactor.withTransient(replicas, trans);
-        logger.info("Configured datacenter replicas are {}", FBUtilities.toString(datacenters));
+        verifyDatacenterChanges(datacenters);
     }
 
+    private void verifyDatacenterChanges(Map<String, ReplicationFactor> datacenters)
+    {
+        // this is guaranteed to capture any meaningful datacenter changes, and has negligiable performance impact.
+        // however, the lack of a CAS loop means that we may also get some extra log messages in the event that a
+        // topology changes is rapidly (and contentiously) discovered on multiple threads simultaneously.
+        String dcStr = FBUtilities.toString(datacenters);
+        String lastDcStr = PAST_DC_STRING.get();
+        if(!dcStr.equals(lastDcStr))
+        {
+            PAST_DC_STRING.compareAndSet(lastDcStr,dcStr);
+            logger.info("Configured datacenter replicas are {}", dcStr);
+        }
+    }
     /**
      * Endpoint adder applying the replication rules for a given DC.
      */