nitinitt commented on code in PR #1896:
URL: 
https://github.com/apache/cassandra-java-driver/pull/1896#discussion_r1449368834


##########
core/src/main/java/com/datastax/oss/driver/internal/core/loadbalancing/BasicLoadBalancingPolicy.java:
##########
@@ -325,24 +338,63 @@ protected Queue<Node> maybeAddDcFailover(@Nullable 
Request request, @NonNull Que
 
           @Override
           protected Object[] computeNodes() {
-            Object[] remoteNodes =
-                liveNodes.dcs().stream()
-                    .filter(Predicates.not(Predicates.equalTo(localDc)))
-                    .flatMap(dc -> 
liveNodes.dc(dc).stream().limit(maxNodesPerRemoteDc))
-                    .toArray();
-
-            int remoteNodesLength = remoteNodes.length;
-            if (remoteNodesLength == 0) {
-              return EMPTY_NODES;
+            if (!preferredRemoteLocalDcs.isEmpty()) {

Review Comment:
   @adutra  Thank you for pointing it out. I have addressed the code review 
comments. Please take a look. 



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